/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-lit/fkp2013-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 12:56:38,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 12:56:38,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 12:56:38,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 12:56:38,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 12:56:38,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 12:56:38,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 12:56:38,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 12:56:38,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 12:56:38,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 12:56:38,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 12:56:38,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 12:56:38,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 12:56:38,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 12:56:38,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 12:56:38,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 12:56:38,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 12:56:38,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 12:56:38,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 12:56:38,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 12:56:38,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 12:56:38,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 12:56:38,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 12:56:38,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 12:56:38,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 12:56:38,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 12:56:38,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 12:56:38,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 12:56:38,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 12:56:38,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 12:56:38,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 12:56:38,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 12:56:38,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 12:56:38,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 12:56:38,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 12:56:38,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 12:56:38,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 12:56:38,247 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 12:56:38,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 12:56:38,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 12:56:38,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 12:56:38,249 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 12:56:38,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 12:56:38,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 12:56:38,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 12:56:38,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 12:56:38,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 12:56:38,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 12:56:38,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 12:56:38,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 12:56:38,251 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 12:56:38,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 12:56:38,251 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 12:56:38,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 12:56:38,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 12:56:38,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 12:56:38,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 12:56:38,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 12:56:38,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:56:38,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 12:56:38,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 12:56:38,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 12:56:38,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 12:56:38,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 12:56:38,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 12:56:38,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 12:56:38,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 12:56:38,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 12:56:38,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 12:56:38,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 12:56:38,687 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 12:56:38,688 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 12:56:38,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013-2.i [2020-11-09 12:56:38,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1abd762b9/48487e466f7d4581b98e9b2cb990110f/FLAG57f9ae0b9 [2020-11-09 12:56:39,702 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 12:56:39,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013-2.i [2020-11-09 12:56:39,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1abd762b9/48487e466f7d4581b98e9b2cb990110f/FLAG57f9ae0b9 [2020-11-09 12:56:39,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1abd762b9/48487e466f7d4581b98e9b2cb990110f [2020-11-09 12:56:39,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 12:56:39,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 12:56:39,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 12:56:39,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 12:56:39,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 12:56:39,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:56:39" (1/1) ... [2020-11-09 12:56:39,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7386c9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:39, skipping insertion in model container [2020-11-09 12:56:39,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:56:39" (1/1) ... [2020-11-09 12:56:39,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 12:56:39,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 12:56:40,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:56:40,423 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 12:56:40,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:56:40,582 INFO L208 MainTranslator]: Completed translation [2020-11-09 12:56:40,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40 WrapperNode [2020-11-09 12:56:40,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 12:56:40,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 12:56:40,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 12:56:40,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 12:56:40,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... [2020-11-09 12:56:40,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... [2020-11-09 12:56:40,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 12:56:40,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 12:56:40,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 12:56:40,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 12:56:40,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... [2020-11-09 12:56:40,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... [2020-11-09 12:56:40,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... [2020-11-09 12:56:40,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... [2020-11-09 12:56:40,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... [2020-11-09 12:56:40,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... [2020-11-09 12:56:40,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... [2020-11-09 12:56:40,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 12:56:40,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 12:56:40,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 12:56:40,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 12:56:40,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:56:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-11-09 12:56:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-11-09 12:56:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-09 12:56:40,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-09 12:56:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 12:56:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 12:56:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 12:56:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 12:56:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 12:56:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 12:56:40,752 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 12:56:41,235 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 12:56:41,235 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-09 12:56:41,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:56:41 BoogieIcfgContainer [2020-11-09 12:56:41,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 12:56:41,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 12:56:41,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 12:56:41,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 12:56:41,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:56:39" (1/3) ... [2020-11-09 12:56:41,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d42009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:56:41, skipping insertion in model container [2020-11-09 12:56:41,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:56:40" (2/3) ... [2020-11-09 12:56:41,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d42009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:56:41, skipping insertion in model container [2020-11-09 12:56:41,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:56:41" (3/3) ... [2020-11-09 12:56:41,247 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013-2.i [2020-11-09 12:56:41,266 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 12:56:41,266 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 12:56:41,271 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 12:56:41,272 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 12:56:41,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,317 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,317 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,352 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,352 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,352 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,353 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,353 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:41,357 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:56:41,369 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-09 12:56:41,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:56:41,395 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:56:41,395 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:56:41,395 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:56:41,395 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:56:41,396 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:56:41,396 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:56:41,396 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:56:41,408 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:56:41,410 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 60 transitions, 130 flow [2020-11-09 12:56:41,413 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 60 transitions, 130 flow [2020-11-09 12:56:41,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 60 transitions, 130 flow [2020-11-09 12:56:41,458 INFO L129 PetriNetUnfolder]: 4/70 cut-off events. [2020-11-09 12:56:41,459 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 12:56:41,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 70 events. 4/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 123 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 54. Up to 4 conditions per place. [2020-11-09 12:56:41,468 INFO L116 LiptonReduction]: Number of co-enabled transitions 942 [2020-11-09 12:56:43,879 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-09 12:56:44,070 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-09 12:56:44,738 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-11-09 12:56:44,878 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:56:45,209 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-11-09 12:56:45,355 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:56:45,376 INFO L131 LiptonReduction]: Checked pairs total: 871 [2020-11-09 12:56:45,377 INFO L133 LiptonReduction]: Total number of compositions: 60 [2020-11-09 12:56:45,382 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-11-09 12:56:45,391 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-11-09 12:56:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-11-09 12:56:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 12:56:45,398 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:45,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 12:56:45,399 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:56:45,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:45,405 INFO L82 PathProgramCache]: Analyzing trace with hash 245395, now seen corresponding path program 1 times [2020-11-09 12:56:45,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:45,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772197331] [2020-11-09 12:56:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:56:45,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772197331] [2020-11-09 12:56:45,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:45,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:56:45,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163142546] [2020-11-09 12:56:45,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:56:45,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:45,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:56:45,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:56:45,630 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-11-09 12:56:45,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:45,663 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-11-09 12:56:45,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:56:45,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 12:56:45,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:45,674 INFO L225 Difference]: With dead ends: 35 [2020-11-09 12:56:45,675 INFO L226 Difference]: Without dead ends: 31 [2020-11-09 12:56:45,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:56:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-09 12:56:45,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-09 12:56:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-09 12:56:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-11-09 12:56:45,714 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-11-09 12:56:45,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:45,714 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-11-09 12:56:45,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:56:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-11-09 12:56:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-09 12:56:45,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:45,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:45,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 12:56:45,716 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:56:45,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:45,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1037099168, now seen corresponding path program 1 times [2020-11-09 12:56:45,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:45,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212706061] [2020-11-09 12:56:45,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:56:45,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212706061] [2020-11-09 12:56:45,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:45,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:56:45,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127808265] [2020-11-09 12:56:45,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:56:45,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:45,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:56:45,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:56:45,879 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-11-09 12:56:45,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:45,898 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-11-09 12:56:45,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 12:56:45,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-09 12:56:45,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:45,899 INFO L225 Difference]: With dead ends: 26 [2020-11-09 12:56:45,900 INFO L226 Difference]: Without dead ends: 24 [2020-11-09 12:56:45,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:56:45,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-09 12:56:45,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-09 12:56:45,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-09 12:56:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-11-09 12:56:45,909 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-11-09 12:56:45,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:45,911 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-11-09 12:56:45,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:56:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-11-09 12:56:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 12:56:45,912 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:45,912 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:45,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 12:56:45,913 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:56:45,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:45,919 INFO L82 PathProgramCache]: Analyzing trace with hash -2085304898, now seen corresponding path program 1 times [2020-11-09 12:56:45,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:45,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354255851] [2020-11-09 12:56:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:56:45,954 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:56:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:56:45,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:56:45,999 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 12:56:46,000 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 12:56:46,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 12:56:46,001 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 12:56:46,001 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 12:56:46,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,016 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,016 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,016 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,016 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,017 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,017 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,017 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,017 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,017 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,017 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,018 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,019 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,019 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,019 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,021 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,021 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,023 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,023 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,024 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,025 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,027 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,028 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,029 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,029 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,029 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,029 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,029 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,029 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,032 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,032 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,032 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,032 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,032 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,035 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,036 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,036 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,037 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,037 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,040 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,041 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,041 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,043 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,043 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,043 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,043 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,044 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:46,045 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:56:46,045 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 12:56:46,046 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:56:46,046 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:56:46,047 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:56:46,047 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:56:46,047 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:56:46,047 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:56:46,047 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:56:46,047 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:56:46,050 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:56:46,050 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 190 flow [2020-11-09 12:56:46,051 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 190 flow [2020-11-09 12:56:46,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 190 flow [2020-11-09 12:56:46,076 INFO L129 PetriNetUnfolder]: 5/92 cut-off events. [2020-11-09 12:56:46,076 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-09 12:56:46,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 92 events. 5/92 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 169 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 101. Up to 6 conditions per place. [2020-11-09 12:56:46,081 INFO L116 LiptonReduction]: Number of co-enabled transitions 1428 [2020-11-09 12:56:49,025 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-09 12:56:49,241 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-09 12:56:49,826 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-11-09 12:56:49,954 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:56:50,260 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-11-09 12:56:50,384 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:56:50,404 INFO L131 LiptonReduction]: Checked pairs total: 1665 [2020-11-09 12:56:50,405 INFO L133 LiptonReduction]: Total number of compositions: 83 [2020-11-09 12:56:50,406 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 66 flow [2020-11-09 12:56:50,434 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states. [2020-11-09 12:56:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-11-09 12:56:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 12:56:50,437 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:50,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 12:56:50,437 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:50,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:50,438 INFO L82 PathProgramCache]: Analyzing trace with hash 432278, now seen corresponding path program 1 times [2020-11-09 12:56:50,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:50,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282672159] [2020-11-09 12:56:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:56:50,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282672159] [2020-11-09 12:56:50,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:50,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:56:50,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135597761] [2020-11-09 12:56:50,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:56:50,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:50,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:56:50,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:56:50,503 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2020-11-09 12:56:50,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:50,545 INFO L93 Difference]: Finished difference Result 185 states and 459 transitions. [2020-11-09 12:56:50,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:56:50,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 12:56:50,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:50,552 INFO L225 Difference]: With dead ends: 185 [2020-11-09 12:56:50,552 INFO L226 Difference]: Without dead ends: 171 [2020-11-09 12:56:50,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:56:50,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-09 12:56:50,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-11-09 12:56:50,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-11-09 12:56:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 418 transitions. [2020-11-09 12:56:50,580 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 418 transitions. Word has length 3 [2020-11-09 12:56:50,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:50,580 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 418 transitions. [2020-11-09 12:56:50,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:56:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 418 transitions. [2020-11-09 12:56:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 12:56:50,581 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:50,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:50,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 12:56:50,582 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:50,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:50,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1541056090, now seen corresponding path program 1 times [2020-11-09 12:56:50,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:50,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842349509] [2020-11-09 12:56:50,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:56:50,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842349509] [2020-11-09 12:56:50,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:50,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:56:50,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349432725] [2020-11-09 12:56:50,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:56:50,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:50,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:56:50,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:56:50,638 INFO L87 Difference]: Start difference. First operand 171 states and 418 transitions. Second operand 5 states. [2020-11-09 12:56:50,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:50,717 INFO L93 Difference]: Finished difference Result 205 states and 460 transitions. [2020-11-09 12:56:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:56:50,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 12:56:50,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:50,722 INFO L225 Difference]: With dead ends: 205 [2020-11-09 12:56:50,722 INFO L226 Difference]: Without dead ends: 201 [2020-11-09 12:56:50,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:56:50,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-11-09 12:56:50,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 162. [2020-11-09 12:56:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-11-09 12:56:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 399 transitions. [2020-11-09 12:56:50,744 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 399 transitions. Word has length 9 [2020-11-09 12:56:50,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:50,744 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 399 transitions. [2020-11-09 12:56:50,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:56:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 399 transitions. [2020-11-09 12:56:50,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 12:56:50,745 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:50,746 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:50,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 12:56:50,746 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:50,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:50,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1863628944, now seen corresponding path program 1 times [2020-11-09 12:56:50,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:50,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949016973] [2020-11-09 12:56:50,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:56:50,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949016973] [2020-11-09 12:56:50,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:50,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:56:50,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819026453] [2020-11-09 12:56:50,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:56:50,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:50,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:56:50,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:56:50,801 INFO L87 Difference]: Start difference. First operand 162 states and 399 transitions. Second operand 5 states. [2020-11-09 12:56:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:50,862 INFO L93 Difference]: Finished difference Result 189 states and 423 transitions. [2020-11-09 12:56:50,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:56:50,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 12:56:50,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:50,867 INFO L225 Difference]: With dead ends: 189 [2020-11-09 12:56:50,867 INFO L226 Difference]: Without dead ends: 185 [2020-11-09 12:56:50,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:56:50,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-11-09 12:56:50,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2020-11-09 12:56:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-11-09 12:56:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 367 transitions. [2020-11-09 12:56:50,884 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 367 transitions. Word has length 13 [2020-11-09 12:56:50,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:50,885 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 367 transitions. [2020-11-09 12:56:50,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:56:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 367 transitions. [2020-11-09 12:56:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 12:56:50,887 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:50,887 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:50,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 12:56:50,888 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:50,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:50,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1934445161, now seen corresponding path program 1 times [2020-11-09 12:56:50,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:50,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183949521] [2020-11-09 12:56:50,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:56:50,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:56:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:56:50,940 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:56:50,955 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 12:56:50,955 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 12:56:50,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 12:56:50,956 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 12:56:50,957 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 12:56:50,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,980 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,982 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,990 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,990 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,997 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:50,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,011 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,014 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,016 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,017 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,017 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,017 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,017 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:51,019 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:56:51,019 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-09 12:56:51,020 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:56:51,021 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:56:51,021 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:56:51,021 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:56:51,021 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:56:51,021 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:56:51,021 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:56:51,021 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:56:51,025 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:56:51,025 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 106 transitions, 254 flow [2020-11-09 12:56:51,025 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 106 transitions, 254 flow [2020-11-09 12:56:51,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 106 transitions, 254 flow [2020-11-09 12:56:51,054 INFO L129 PetriNetUnfolder]: 6/114 cut-off events. [2020-11-09 12:56:51,054 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-11-09 12:56:51,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 114 events. 6/114 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 198 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 128. Up to 8 conditions per place. [2020-11-09 12:56:51,063 INFO L116 LiptonReduction]: Number of co-enabled transitions 1998 [2020-11-09 12:56:54,271 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-11-09 12:56:54,468 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-11-09 12:56:55,301 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-11-09 12:56:55,437 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:56:55,725 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-11-09 12:56:55,847 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:56:56,014 INFO L131 LiptonReduction]: Checked pairs total: 2809 [2020-11-09 12:56:56,015 INFO L133 LiptonReduction]: Total number of compositions: 111 [2020-11-09 12:56:56,015 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 27 transitions, 96 flow [2020-11-09 12:56:56,047 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 683 states. [2020-11-09 12:56:56,048 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states. [2020-11-09 12:56:56,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 12:56:56,048 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:56,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 12:56:56,049 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:56,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:56,049 INFO L82 PathProgramCache]: Analyzing trace with hash 667761, now seen corresponding path program 1 times [2020-11-09 12:56:56,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:56,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870694220] [2020-11-09 12:56:56,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:56:56,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870694220] [2020-11-09 12:56:56,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:56,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:56:56,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839555989] [2020-11-09 12:56:56,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:56:56,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:56,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:56:56,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:56:56,114 INFO L87 Difference]: Start difference. First operand 683 states. Second operand 3 states. [2020-11-09 12:56:56,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:56,155 INFO L93 Difference]: Finished difference Result 600 states and 1886 transitions. [2020-11-09 12:56:56,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:56:56,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 12:56:56,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:56,165 INFO L225 Difference]: With dead ends: 600 [2020-11-09 12:56:56,165 INFO L226 Difference]: Without dead ends: 559 [2020-11-09 12:56:56,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:56:56,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-11-09 12:56:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2020-11-09 12:56:56,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-11-09 12:56:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 1737 transitions. [2020-11-09 12:56:56,244 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 1737 transitions. Word has length 3 [2020-11-09 12:56:56,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:56,245 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 1737 transitions. [2020-11-09 12:56:56,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:56:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1737 transitions. [2020-11-09 12:56:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 12:56:56,246 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:56,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:56,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 12:56:56,247 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:56,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:56,247 INFO L82 PathProgramCache]: Analyzing trace with hash 264166637, now seen corresponding path program 1 times [2020-11-09 12:56:56,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:56,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55316940] [2020-11-09 12:56:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:56,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:56:56,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55316940] [2020-11-09 12:56:56,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:56,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:56:56,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2909809] [2020-11-09 12:56:56,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:56:56,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:56,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:56:56,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:56:56,350 INFO L87 Difference]: Start difference. First operand 559 states and 1737 transitions. Second operand 5 states. [2020-11-09 12:56:56,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:56,457 INFO L93 Difference]: Finished difference Result 817 states and 2317 transitions. [2020-11-09 12:56:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:56:56,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 12:56:56,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:56,464 INFO L225 Difference]: With dead ends: 817 [2020-11-09 12:56:56,465 INFO L226 Difference]: Without dead ends: 812 [2020-11-09 12:56:56,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:56:56,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-11-09 12:56:56,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 585. [2020-11-09 12:56:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-11-09 12:56:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 1832 transitions. [2020-11-09 12:56:56,497 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 1832 transitions. Word has length 9 [2020-11-09 12:56:56,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:56,497 INFO L481 AbstractCegarLoop]: Abstraction has 585 states and 1832 transitions. [2020-11-09 12:56:56,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:56:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1832 transitions. [2020-11-09 12:56:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 12:56:56,498 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:56,499 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:56,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 12:56:56,499 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:56,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:56,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1293864876, now seen corresponding path program 1 times [2020-11-09 12:56:56,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:56,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549750013] [2020-11-09 12:56:56,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:56:56,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549750013] [2020-11-09 12:56:56,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:56,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:56:56,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50305544] [2020-11-09 12:56:56,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:56:56,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:56,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:56:56,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:56:56,541 INFO L87 Difference]: Start difference. First operand 585 states and 1832 transitions. Second operand 5 states. [2020-11-09 12:56:56,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:56,620 INFO L93 Difference]: Finished difference Result 843 states and 2406 transitions. [2020-11-09 12:56:56,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:56:56,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 12:56:56,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:56,628 INFO L225 Difference]: With dead ends: 843 [2020-11-09 12:56:56,628 INFO L226 Difference]: Without dead ends: 836 [2020-11-09 12:56:56,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:56:56,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-11-09 12:56:56,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 611. [2020-11-09 12:56:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-11-09 12:56:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1906 transitions. [2020-11-09 12:56:56,658 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1906 transitions. Word has length 13 [2020-11-09 12:56:56,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:56,659 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 1906 transitions. [2020-11-09 12:56:56,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:56:56,659 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1906 transitions. [2020-11-09 12:56:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:56:56,660 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:56,660 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:56,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 12:56:56,660 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:56,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:56,661 INFO L82 PathProgramCache]: Analyzing trace with hash 576563147, now seen corresponding path program 1 times [2020-11-09 12:56:56,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:56,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560194897] [2020-11-09 12:56:56,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:56:56,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560194897] [2020-11-09 12:56:56,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514096025] [2020-11-09 12:56:56,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:56:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:56,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:56:56,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:56:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:56:56,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:56:56,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:56:56,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727915228] [2020-11-09 12:56:56,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:56:56,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:56,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:56:56,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:56:56,869 INFO L87 Difference]: Start difference. First operand 611 states and 1906 transitions. Second operand 9 states. [2020-11-09 12:56:57,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:57,225 INFO L93 Difference]: Finished difference Result 1059 states and 2818 transitions. [2020-11-09 12:56:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:56:57,226 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-11-09 12:56:57,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:57,235 INFO L225 Difference]: With dead ends: 1059 [2020-11-09 12:56:57,235 INFO L226 Difference]: Without dead ends: 1052 [2020-11-09 12:56:57,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:56:57,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-11-09 12:56:57,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 591. [2020-11-09 12:56:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-11-09 12:56:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1840 transitions. [2020-11-09 12:56:57,273 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1840 transitions. Word has length 15 [2020-11-09 12:56:57,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:57,273 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 1840 transitions. [2020-11-09 12:56:57,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:56:57,273 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1840 transitions. [2020-11-09 12:56:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:56:57,278 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:57,278 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:57,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-09 12:56:57,493 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:57,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:57,494 INFO L82 PathProgramCache]: Analyzing trace with hash -2136392117, now seen corresponding path program 2 times [2020-11-09 12:56:57,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:57,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511360970] [2020-11-09 12:56:57,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:56:57,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511360970] [2020-11-09 12:56:57,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:57,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:56:57,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606035506] [2020-11-09 12:56:57,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:56:57,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:57,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:56:57,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:56:57,590 INFO L87 Difference]: Start difference. First operand 591 states and 1840 transitions. Second operand 7 states. [2020-11-09 12:56:57,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:57,849 INFO L93 Difference]: Finished difference Result 1053 states and 2807 transitions. [2020-11-09 12:56:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:56:57,850 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 12:56:57,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:57,858 INFO L225 Difference]: With dead ends: 1053 [2020-11-09 12:56:57,858 INFO L226 Difference]: Without dead ends: 1045 [2020-11-09 12:56:57,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:56:57,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-11-09 12:56:57,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 536. [2020-11-09 12:56:57,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-11-09 12:56:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1688 transitions. [2020-11-09 12:56:57,887 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1688 transitions. Word has length 15 [2020-11-09 12:56:57,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:57,887 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 1688 transitions. [2020-11-09 12:56:57,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:56:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1688 transitions. [2020-11-09 12:56:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 12:56:57,888 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:57,889 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:57,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-09 12:56:57,889 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:57,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:57,889 INFO L82 PathProgramCache]: Analyzing trace with hash 304408619, now seen corresponding path program 1 times [2020-11-09 12:56:57,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:57,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823053873] [2020-11-09 12:56:57,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:56:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:56:57,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823053873] [2020-11-09 12:56:57,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:56:57,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:56:57,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099331743] [2020-11-09 12:56:57,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:56:57,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:56:57,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:56:57,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:56:57,976 INFO L87 Difference]: Start difference. First operand 536 states and 1688 transitions. Second operand 5 states. [2020-11-09 12:56:58,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:56:58,063 INFO L93 Difference]: Finished difference Result 736 states and 2123 transitions. [2020-11-09 12:56:58,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:56:58,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 12:56:58,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:56:58,069 INFO L225 Difference]: With dead ends: 736 [2020-11-09 12:56:58,069 INFO L226 Difference]: Without dead ends: 728 [2020-11-09 12:56:58,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:56:58,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-11-09 12:56:58,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 549. [2020-11-09 12:56:58,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2020-11-09 12:56:58,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 1684 transitions. [2020-11-09 12:56:58,098 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 1684 transitions. Word has length 17 [2020-11-09 12:56:58,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:56:58,099 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 1684 transitions. [2020-11-09 12:56:58,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:56:58,099 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1684 transitions. [2020-11-09 12:56:58,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:56:58,100 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:56:58,100 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:56:58,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-09 12:56:58,100 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:56:58,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:56:58,101 INFO L82 PathProgramCache]: Analyzing trace with hash 842141785, now seen corresponding path program 1 times [2020-11-09 12:56:58,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:56:58,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281757829] [2020-11-09 12:56:58,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:56:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:56:58,125 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:56:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:56:58,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:56:58,153 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 12:56:58,154 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 12:56:58,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-09 12:56:58,154 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 12:56:58,155 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-09 12:56:58,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,188 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,188 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,188 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,188 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,190 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,190 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,224 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,225 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,225 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,225 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,225 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,227 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,227 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,228 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,228 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,228 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,229 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,229 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,229 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,231 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,231 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,231 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:56:58,233 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:56:58,233 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-09 12:56:58,234 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:56:58,234 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:56:58,234 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:56:58,234 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:56:58,235 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:56:58,235 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:56:58,235 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:56:58,235 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:56:58,237 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:56:58,237 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 129 transitions, 322 flow [2020-11-09 12:56:58,237 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 129 transitions, 322 flow [2020-11-09 12:56:58,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 129 transitions, 322 flow [2020-11-09 12:56:58,286 INFO L129 PetriNetUnfolder]: 7/136 cut-off events. [2020-11-09 12:56:58,287 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-11-09 12:56:58,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 136 events. 7/136 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 235 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 156. Up to 10 conditions per place. [2020-11-09 12:56:58,299 INFO L116 LiptonReduction]: Number of co-enabled transitions 2652 [2020-11-09 12:57:02,809 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2020-11-09 12:57:03,163 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2020-11-09 12:57:03,477 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 12:57:03,599 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:57:03,732 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 12:57:03,868 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:57:03,876 INFO L131 LiptonReduction]: Checked pairs total: 3837 [2020-11-09 12:57:03,876 INFO L133 LiptonReduction]: Total number of compositions: 139 [2020-11-09 12:57:03,876 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 33 transitions, 130 flow [2020-11-09 12:57:03,998 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2060 states. [2020-11-09 12:57:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states. [2020-11-09 12:57:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 12:57:03,999 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:03,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 12:57:03,999 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:04,000 INFO L82 PathProgramCache]: Analyzing trace with hash 959619, now seen corresponding path program 1 times [2020-11-09 12:57:04,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:04,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088707552] [2020-11-09 12:57:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:04,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088707552] [2020-11-09 12:57:04,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:04,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:57:04,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607586162] [2020-11-09 12:57:04,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:57:04,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:04,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:57:04,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:57:04,018 INFO L87 Difference]: Start difference. First operand 2060 states. Second operand 3 states. [2020-11-09 12:57:04,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:04,071 INFO L93 Difference]: Finished difference Result 1889 states and 7217 transitions. [2020-11-09 12:57:04,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:57:04,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 12:57:04,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:04,088 INFO L225 Difference]: With dead ends: 1889 [2020-11-09 12:57:04,089 INFO L226 Difference]: Without dead ends: 1767 [2020-11-09 12:57:04,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:57:04,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2020-11-09 12:57:04,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1767. [2020-11-09 12:57:04,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1767 states. [2020-11-09 12:57:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 6690 transitions. [2020-11-09 12:57:04,174 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 6690 transitions. Word has length 3 [2020-11-09 12:57:04,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:04,175 INFO L481 AbstractCegarLoop]: Abstraction has 1767 states and 6690 transitions. [2020-11-09 12:57:04,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:57:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 6690 transitions. [2020-11-09 12:57:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 12:57:04,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:04,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:04,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-09 12:57:04,176 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:04,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:04,176 INFO L82 PathProgramCache]: Analyzing trace with hash 323825071, now seen corresponding path program 1 times [2020-11-09 12:57:04,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:04,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403086214] [2020-11-09 12:57:04,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:04,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403086214] [2020-11-09 12:57:04,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:04,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:57:04,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517723026] [2020-11-09 12:57:04,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:57:04,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:04,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:57:04,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:57:04,210 INFO L87 Difference]: Start difference. First operand 1767 states and 6690 transitions. Second operand 5 states. [2020-11-09 12:57:04,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:04,315 INFO L93 Difference]: Finished difference Result 2905 states and 10138 transitions. [2020-11-09 12:57:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:57:04,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 12:57:04,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:04,341 INFO L225 Difference]: With dead ends: 2905 [2020-11-09 12:57:04,341 INFO L226 Difference]: Without dead ends: 2899 [2020-11-09 12:57:04,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:04,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2020-11-09 12:57:04,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 1966. [2020-11-09 12:57:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2020-11-09 12:57:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 7503 transitions. [2020-11-09 12:57:04,450 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 7503 transitions. Word has length 9 [2020-11-09 12:57:04,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:04,451 INFO L481 AbstractCegarLoop]: Abstraction has 1966 states and 7503 transitions. [2020-11-09 12:57:04,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:57:04,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 7503 transitions. [2020-11-09 12:57:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 12:57:04,451 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:04,452 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:04,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-09 12:57:04,452 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:04,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:04,452 INFO L82 PathProgramCache]: Analyzing trace with hash -2079947915, now seen corresponding path program 1 times [2020-11-09 12:57:04,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:04,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338776884] [2020-11-09 12:57:04,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:04,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:04,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338776884] [2020-11-09 12:57:04,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:04,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:57:04,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191019427] [2020-11-09 12:57:04,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:57:04,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:04,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:57:04,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:57:04,492 INFO L87 Difference]: Start difference. First operand 1966 states and 7503 transitions. Second operand 5 states. [2020-11-09 12:57:04,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:04,603 INFO L93 Difference]: Finished difference Result 3204 states and 11312 transitions. [2020-11-09 12:57:04,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:57:04,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 12:57:04,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:04,694 INFO L225 Difference]: With dead ends: 3204 [2020-11-09 12:57:04,694 INFO L226 Difference]: Without dead ends: 3194 [2020-11-09 12:57:04,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:04,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2020-11-09 12:57:04,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2200. [2020-11-09 12:57:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2200 states. [2020-11-09 12:57:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 8453 transitions. [2020-11-09 12:57:04,804 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 8453 transitions. Word has length 13 [2020-11-09 12:57:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:04,804 INFO L481 AbstractCegarLoop]: Abstraction has 2200 states and 8453 transitions. [2020-11-09 12:57:04,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:57:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 8453 transitions. [2020-11-09 12:57:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:57:04,805 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:04,805 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:04,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-09 12:57:04,806 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:04,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:04,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1122196189, now seen corresponding path program 1 times [2020-11-09 12:57:04,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:04,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9369685] [2020-11-09 12:57:04,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:04,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:04,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9369685] [2020-11-09 12:57:04,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829790807] [2020-11-09 12:57:04,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:04,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:57:04,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:04,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:04,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:04,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:57:04,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378188987] [2020-11-09 12:57:04,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:04,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:04,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:04,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:04,977 INFO L87 Difference]: Start difference. First operand 2200 states and 8453 transitions. Second operand 9 states. [2020-11-09 12:57:05,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:05,253 INFO L93 Difference]: Finished difference Result 4556 states and 14911 transitions. [2020-11-09 12:57:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:05,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-11-09 12:57:05,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:05,283 INFO L225 Difference]: With dead ends: 4556 [2020-11-09 12:57:05,284 INFO L226 Difference]: Without dead ends: 4546 [2020-11-09 12:57:05,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:57:05,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2020-11-09 12:57:05,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 2157. [2020-11-09 12:57:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-11-09 12:57:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 8278 transitions. [2020-11-09 12:57:05,468 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 8278 transitions. Word has length 15 [2020-11-09 12:57:05,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:05,468 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 8278 transitions. [2020-11-09 12:57:05,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 8278 transitions. [2020-11-09 12:57:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:57:05,469 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:05,469 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:05,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-11-09 12:57:05,683 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:05,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:05,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1670165689, now seen corresponding path program 2 times [2020-11-09 12:57:05,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:05,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934799161] [2020-11-09 12:57:05,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:05,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:05,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934799161] [2020-11-09 12:57:05,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:05,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:05,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285446628] [2020-11-09 12:57:05,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:05,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:05,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:05,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:05,748 INFO L87 Difference]: Start difference. First operand 2157 states and 8278 transitions. Second operand 7 states. [2020-11-09 12:57:05,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:05,984 INFO L93 Difference]: Finished difference Result 4612 states and 15111 transitions. [2020-11-09 12:57:05,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:05,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 12:57:05,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:06,006 INFO L225 Difference]: With dead ends: 4612 [2020-11-09 12:57:06,007 INFO L226 Difference]: Without dead ends: 4601 [2020-11-09 12:57:06,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:06,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2020-11-09 12:57:06,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2035. [2020-11-09 12:57:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2035 states. [2020-11-09 12:57:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 7845 transitions. [2020-11-09 12:57:06,142 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 7845 transitions. Word has length 15 [2020-11-09 12:57:06,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:06,142 INFO L481 AbstractCegarLoop]: Abstraction has 2035 states and 7845 transitions. [2020-11-09 12:57:06,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:06,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 7845 transitions. [2020-11-09 12:57:06,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 12:57:06,143 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:06,143 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:06,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-09 12:57:06,143 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:06,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:06,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1347598745, now seen corresponding path program 1 times [2020-11-09 12:57:06,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:06,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313549225] [2020-11-09 12:57:06,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:06,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313549225] [2020-11-09 12:57:06,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:06,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:57:06,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966837718] [2020-11-09 12:57:06,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:57:06,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:06,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:57:06,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:57:06,183 INFO L87 Difference]: Start difference. First operand 2035 states and 7845 transitions. Second operand 5 states. [2020-11-09 12:57:06,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:06,296 INFO L93 Difference]: Finished difference Result 3265 states and 11681 transitions. [2020-11-09 12:57:06,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:57:06,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 12:57:06,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:06,313 INFO L225 Difference]: With dead ends: 3265 [2020-11-09 12:57:06,313 INFO L226 Difference]: Without dead ends: 3250 [2020-11-09 12:57:06,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:06,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2020-11-09 12:57:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2281. [2020-11-09 12:57:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2281 states. [2020-11-09 12:57:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 8755 transitions. [2020-11-09 12:57:06,474 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 8755 transitions. Word has length 17 [2020-11-09 12:57:06,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:06,474 INFO L481 AbstractCegarLoop]: Abstraction has 2281 states and 8755 transitions. [2020-11-09 12:57:06,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:57:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 8755 transitions. [2020-11-09 12:57:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:57:06,476 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:06,476 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:06,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-09 12:57:06,477 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:06,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:06,477 INFO L82 PathProgramCache]: Analyzing trace with hash -385592249, now seen corresponding path program 1 times [2020-11-09 12:57:06,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:06,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444735450] [2020-11-09 12:57:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 12:57:06,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444735450] [2020-11-09 12:57:06,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277811067] [2020-11-09 12:57:06,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:06,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:57:06,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 12:57:06,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:06,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:57:06,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857465235] [2020-11-09 12:57:06,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:06,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:06,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:06,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:06,697 INFO L87 Difference]: Start difference. First operand 2281 states and 8755 transitions. Second operand 9 states. [2020-11-09 12:57:07,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:07,025 INFO L93 Difference]: Finished difference Result 4825 states and 15986 transitions. [2020-11-09 12:57:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:07,025 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-11-09 12:57:07,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:07,050 INFO L225 Difference]: With dead ends: 4825 [2020-11-09 12:57:07,050 INFO L226 Difference]: Without dead ends: 4813 [2020-11-09 12:57:07,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:57:07,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4813 states. [2020-11-09 12:57:07,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4813 to 2305. [2020-11-09 12:57:07,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2305 states. [2020-11-09 12:57:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 8815 transitions. [2020-11-09 12:57:07,209 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 8815 transitions. Word has length 19 [2020-11-09 12:57:07,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:07,209 INFO L481 AbstractCegarLoop]: Abstraction has 2305 states and 8815 transitions. [2020-11-09 12:57:07,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 8815 transitions. [2020-11-09 12:57:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:57:07,211 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:07,211 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:07,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:07,425 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:07,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:07,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1935931741, now seen corresponding path program 1 times [2020-11-09 12:57:07,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:07,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901563188] [2020-11-09 12:57:07,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:07,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901563188] [2020-11-09 12:57:07,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262941950] [2020-11-09 12:57:07,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:07,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:57:07,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:07,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:07,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:57:07,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469959183] [2020-11-09 12:57:07,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:07,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:07,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:07,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:07,612 INFO L87 Difference]: Start difference. First operand 2305 states and 8815 transitions. Second operand 9 states. [2020-11-09 12:57:07,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:07,941 INFO L93 Difference]: Finished difference Result 4942 states and 16410 transitions. [2020-11-09 12:57:07,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:07,942 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-11-09 12:57:07,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:07,967 INFO L225 Difference]: With dead ends: 4942 [2020-11-09 12:57:07,967 INFO L226 Difference]: Without dead ends: 4925 [2020-11-09 12:57:07,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:57:08,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4925 states. [2020-11-09 12:57:08,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4925 to 2299. [2020-11-09 12:57:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2020-11-09 12:57:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 8782 transitions. [2020-11-09 12:57:08,115 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 8782 transitions. Word has length 19 [2020-11-09 12:57:08,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:08,116 INFO L481 AbstractCegarLoop]: Abstraction has 2299 states and 8782 transitions. [2020-11-09 12:57:08,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 8782 transitions. [2020-11-09 12:57:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:57:08,118 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:08,118 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:08,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:08,334 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:08,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:08,335 INFO L82 PathProgramCache]: Analyzing trace with hash -2037741461, now seen corresponding path program 2 times [2020-11-09 12:57:08,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:08,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569256163] [2020-11-09 12:57:08,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:08,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569256163] [2020-11-09 12:57:08,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:08,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:08,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29649208] [2020-11-09 12:57:08,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:08,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:08,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:08,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:08,387 INFO L87 Difference]: Start difference. First operand 2299 states and 8782 transitions. Second operand 7 states. [2020-11-09 12:57:08,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:08,644 INFO L93 Difference]: Finished difference Result 4934 states and 16393 transitions. [2020-11-09 12:57:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:08,645 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 12:57:08,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:08,667 INFO L225 Difference]: With dead ends: 4934 [2020-11-09 12:57:08,668 INFO L226 Difference]: Without dead ends: 4917 [2020-11-09 12:57:08,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:08,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2020-11-09 12:57:08,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 2216. [2020-11-09 12:57:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-11-09 12:57:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 8477 transitions. [2020-11-09 12:57:08,809 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 8477 transitions. Word has length 19 [2020-11-09 12:57:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:08,809 INFO L481 AbstractCegarLoop]: Abstraction has 2216 states and 8477 transitions. [2020-11-09 12:57:08,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 8477 transitions. [2020-11-09 12:57:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:57:08,811 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:08,811 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:08,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-09 12:57:08,812 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:08,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:08,812 INFO L82 PathProgramCache]: Analyzing trace with hash -2037725899, now seen corresponding path program 2 times [2020-11-09 12:57:08,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:08,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17615477] [2020-11-09 12:57:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:08,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17615477] [2020-11-09 12:57:08,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:08,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:08,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623476838] [2020-11-09 12:57:08,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:08,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:08,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:08,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:08,868 INFO L87 Difference]: Start difference. First operand 2216 states and 8477 transitions. Second operand 7 states. [2020-11-09 12:57:09,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:09,161 INFO L93 Difference]: Finished difference Result 4774 states and 15828 transitions. [2020-11-09 12:57:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:09,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 12:57:09,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:09,182 INFO L225 Difference]: With dead ends: 4774 [2020-11-09 12:57:09,183 INFO L226 Difference]: Without dead ends: 4757 [2020-11-09 12:57:09,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:09,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4757 states. [2020-11-09 12:57:09,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4757 to 2150. [2020-11-09 12:57:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2150 states. [2020-11-09 12:57:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 8243 transitions. [2020-11-09 12:57:09,312 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 8243 transitions. Word has length 19 [2020-11-09 12:57:09,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:09,312 INFO L481 AbstractCegarLoop]: Abstraction has 2150 states and 8243 transitions. [2020-11-09 12:57:09,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:09,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 8243 transitions. [2020-11-09 12:57:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:09,314 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:09,315 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:09,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-09 12:57:09,315 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:09,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:09,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1787566869, now seen corresponding path program 1 times [2020-11-09 12:57:09,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:09,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207284281] [2020-11-09 12:57:09,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:09,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207284281] [2020-11-09 12:57:09,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270489648] [2020-11-09 12:57:09,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:09,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:57:09,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:09,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:09,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:57:09,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917367334] [2020-11-09 12:57:09,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:57:09,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:09,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:57:09,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:57:09,494 INFO L87 Difference]: Start difference. First operand 2150 states and 8243 transitions. Second operand 11 states. [2020-11-09 12:57:10,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:10,145 INFO L93 Difference]: Finished difference Result 6025 states and 18746 transitions. [2020-11-09 12:57:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:10,146 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:57:10,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:10,174 INFO L225 Difference]: With dead ends: 6025 [2020-11-09 12:57:10,174 INFO L226 Difference]: Without dead ends: 6017 [2020-11-09 12:57:10,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:57:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6017 states. [2020-11-09 12:57:10,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6017 to 2117. [2020-11-09 12:57:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2117 states. [2020-11-09 12:57:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 8106 transitions. [2020-11-09 12:57:10,350 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 8106 transitions. Word has length 21 [2020-11-09 12:57:10,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:10,351 INFO L481 AbstractCegarLoop]: Abstraction has 2117 states and 8106 transitions. [2020-11-09 12:57:10,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:57:10,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 8106 transitions. [2020-11-09 12:57:10,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:10,353 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:10,354 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:10,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-11-09 12:57:10,566 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:10,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:10,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1186960285, now seen corresponding path program 2 times [2020-11-09 12:57:10,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:10,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595987114] [2020-11-09 12:57:10,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 12:57:10,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595987114] [2020-11-09 12:57:10,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365857449] [2020-11-09 12:57:10,660 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:10,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 12:57:10,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:57:10,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:57:10,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-09 12:57:10,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:10,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:57:10,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607690892] [2020-11-09 12:57:10,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:57:10,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:10,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:57:10,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:57:10,803 INFO L87 Difference]: Start difference. First operand 2117 states and 8106 transitions. Second operand 11 states. [2020-11-09 12:57:11,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:11,500 INFO L93 Difference]: Finished difference Result 5914 states and 18384 transitions. [2020-11-09 12:57:11,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:11,501 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:57:11,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:11,525 INFO L225 Difference]: With dead ends: 5914 [2020-11-09 12:57:11,525 INFO L226 Difference]: Without dead ends: 5903 [2020-11-09 12:57:11,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:57:11,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2020-11-09 12:57:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 2085. [2020-11-09 12:57:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-11-09 12:57:11,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 7975 transitions. [2020-11-09 12:57:11,706 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 7975 transitions. Word has length 21 [2020-11-09 12:57:11,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:11,706 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 7975 transitions. [2020-11-09 12:57:11,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:57:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 7975 transitions. [2020-11-09 12:57:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:11,709 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:11,709 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:11,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:11,923 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:11,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:11,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1258711819, now seen corresponding path program 3 times [2020-11-09 12:57:11,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:11,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441468350] [2020-11-09 12:57:11,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:12,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441468350] [2020-11-09 12:57:12,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011936965] [2020-11-09 12:57:12,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:12,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-11-09 12:57:12,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:57:12,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:57:12,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:12,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:12,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:57:12,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385815481] [2020-11-09 12:57:12,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:57:12,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:12,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:57:12,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:57:12,175 INFO L87 Difference]: Start difference. First operand 2085 states and 7975 transitions. Second operand 11 states. [2020-11-09 12:57:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:12,898 INFO L93 Difference]: Finished difference Result 5907 states and 18375 transitions. [2020-11-09 12:57:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:12,899 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:57:12,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:12,918 INFO L225 Difference]: With dead ends: 5907 [2020-11-09 12:57:12,919 INFO L226 Difference]: Without dead ends: 5899 [2020-11-09 12:57:12,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:57:12,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5899 states. [2020-11-09 12:57:13,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5899 to 2008. [2020-11-09 12:57:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2008 states. [2020-11-09 12:57:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 7698 transitions. [2020-11-09 12:57:13,047 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 7698 transitions. Word has length 21 [2020-11-09 12:57:13,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:13,048 INFO L481 AbstractCegarLoop]: Abstraction has 2008 states and 7698 transitions. [2020-11-09 12:57:13,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:57:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 7698 transitions. [2020-11-09 12:57:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:13,050 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:13,050 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:13,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2020-11-09 12:57:13,263 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:13,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:13,264 INFO L82 PathProgramCache]: Analyzing trace with hash 709551919, now seen corresponding path program 4 times [2020-11-09 12:57:13,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:13,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821769976] [2020-11-09 12:57:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:13,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821769976] [2020-11-09 12:57:13,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754163574] [2020-11-09 12:57:13,348 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:13,445 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 12:57:13,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:57:13,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:57:13,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:13,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:13,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:57:13,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133328293] [2020-11-09 12:57:13,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:57:13,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:13,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:57:13,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:57:13,519 INFO L87 Difference]: Start difference. First operand 2008 states and 7698 transitions. Second operand 11 states. [2020-11-09 12:57:14,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:14,279 INFO L93 Difference]: Finished difference Result 5835 states and 18155 transitions. [2020-11-09 12:57:14,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:14,280 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:57:14,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:14,299 INFO L225 Difference]: With dead ends: 5835 [2020-11-09 12:57:14,299 INFO L226 Difference]: Without dead ends: 5824 [2020-11-09 12:57:14,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:57:14,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5824 states. [2020-11-09 12:57:14,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5824 to 1976. [2020-11-09 12:57:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1976 states. [2020-11-09 12:57:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 7567 transitions. [2020-11-09 12:57:14,431 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 7567 transitions. Word has length 21 [2020-11-09 12:57:14,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:14,431 INFO L481 AbstractCegarLoop]: Abstraction has 1976 states and 7567 transitions. [2020-11-09 12:57:14,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:57:14,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 7567 transitions. [2020-11-09 12:57:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:14,434 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:14,434 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:14,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-09 12:57:14,648 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:14,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:14,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1112329447, now seen corresponding path program 1 times [2020-11-09 12:57:14,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:14,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668636530] [2020-11-09 12:57:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:57:14,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668636530] [2020-11-09 12:57:14,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:14,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:57:14,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128908456] [2020-11-09 12:57:14,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:57:14,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:14,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:57:14,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:57:14,704 INFO L87 Difference]: Start difference. First operand 1976 states and 7567 transitions. Second operand 5 states. [2020-11-09 12:57:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:14,805 INFO L93 Difference]: Finished difference Result 3016 states and 10840 transitions. [2020-11-09 12:57:14,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:57:14,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-11-09 12:57:14,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:14,815 INFO L225 Difference]: With dead ends: 3016 [2020-11-09 12:57:14,816 INFO L226 Difference]: Without dead ends: 3000 [2020-11-09 12:57:14,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:14,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2020-11-09 12:57:14,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 2183. [2020-11-09 12:57:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2183 states. [2020-11-09 12:57:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 8210 transitions. [2020-11-09 12:57:14,902 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 8210 transitions. Word has length 21 [2020-11-09 12:57:14,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:14,902 INFO L481 AbstractCegarLoop]: Abstraction has 2183 states and 8210 transitions. [2020-11-09 12:57:14,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:57:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 8210 transitions. [2020-11-09 12:57:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:14,904 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:14,904 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:14,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-09 12:57:14,904 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:14,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:14,905 INFO L82 PathProgramCache]: Analyzing trace with hash 235546503, now seen corresponding path program 5 times [2020-11-09 12:57:14,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:14,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990539376] [2020-11-09 12:57:14,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:14,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990539376] [2020-11-09 12:57:14,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:14,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:57:14,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381777127] [2020-11-09 12:57:14,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:14,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:14,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:14,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:14,995 INFO L87 Difference]: Start difference. First operand 2183 states and 8210 transitions. Second operand 9 states. [2020-11-09 12:57:15,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:15,724 INFO L93 Difference]: Finished difference Result 6150 states and 19247 transitions. [2020-11-09 12:57:15,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:15,725 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 12:57:15,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:15,737 INFO L225 Difference]: With dead ends: 6150 [2020-11-09 12:57:15,737 INFO L226 Difference]: Without dead ends: 6139 [2020-11-09 12:57:15,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:57:15,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2020-11-09 12:57:15,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 2096. [2020-11-09 12:57:15,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2020-11-09 12:57:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 7876 transitions. [2020-11-09 12:57:15,864 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 7876 transitions. Word has length 21 [2020-11-09 12:57:15,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:15,865 INFO L481 AbstractCegarLoop]: Abstraction has 2096 states and 7876 transitions. [2020-11-09 12:57:15,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 7876 transitions. [2020-11-09 12:57:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:15,867 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:15,867 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:15,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-09 12:57:15,867 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:15,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:15,868 INFO L82 PathProgramCache]: Analyzing trace with hash 250486023, now seen corresponding path program 6 times [2020-11-09 12:57:15,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:15,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722564561] [2020-11-09 12:57:15,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:15,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722564561] [2020-11-09 12:57:15,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:15,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:57:15,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124314359] [2020-11-09 12:57:15,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:15,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:15,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:15,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:15,941 INFO L87 Difference]: Start difference. First operand 2096 states and 7876 transitions. Second operand 9 states. [2020-11-09 12:57:16,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:16,689 INFO L93 Difference]: Finished difference Result 6017 states and 18791 transitions. [2020-11-09 12:57:16,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:16,690 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 12:57:16,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:16,702 INFO L225 Difference]: With dead ends: 6017 [2020-11-09 12:57:16,702 INFO L226 Difference]: Without dead ends: 6002 [2020-11-09 12:57:16,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:57:16,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2020-11-09 12:57:16,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 1965. [2020-11-09 12:57:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2020-11-09 12:57:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 7429 transitions. [2020-11-09 12:57:16,849 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 7429 transitions. Word has length 21 [2020-11-09 12:57:16,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:16,849 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 7429 transitions. [2020-11-09 12:57:16,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 7429 transitions. [2020-11-09 12:57:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-09 12:57:16,852 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:16,852 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:16,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-11-09 12:57:16,853 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-11-09 12:57:16,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:16,853 INFO L82 PathProgramCache]: Analyzing trace with hash -128688571, now seen corresponding path program 1 times [2020-11-09 12:57:16,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:16,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707667505] [2020-11-09 12:57:16,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:57:16,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:57:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:57:16,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:57:16,906 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 12:57:16,906 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 12:57:16,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-11-09 12:57:16,906 WARN L386 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 12:57:16,907 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-11-09 12:57:16,932 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,932 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,932 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,933 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,933 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,933 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,933 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,933 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,933 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,933 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,934 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,934 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,934 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,934 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,934 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,934 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,934 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,935 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,935 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,935 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,935 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,937 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,937 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,937 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,937 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,938 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,938 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,938 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,939 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,940 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,940 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,957 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,982 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,984 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,985 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,985 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,985 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,986 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,986 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,986 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,986 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,987 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:57:16,988 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:57:16,988 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-09 12:57:16,989 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:57:16,989 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:57:16,989 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:57:16,989 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:57:16,989 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:57:16,989 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:57:16,989 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:57:16,989 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:57:16,991 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:57:16,991 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 152 transitions, 394 flow [2020-11-09 12:57:16,992 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 152 transitions, 394 flow [2020-11-09 12:57:16,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 152 transitions, 394 flow [2020-11-09 12:57:17,017 INFO L129 PetriNetUnfolder]: 8/158 cut-off events. [2020-11-09 12:57:17,018 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-11-09 12:57:17,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 158 events. 8/158 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 280 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 185. Up to 12 conditions per place. [2020-11-09 12:57:17,026 INFO L116 LiptonReduction]: Number of co-enabled transitions 3390 [2020-11-09 12:57:20,631 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-09 12:57:20,789 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-09 12:57:23,042 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2020-11-09 12:57:23,178 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:57:23,490 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2020-11-09 12:57:23,626 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:57:23,708 INFO L131 LiptonReduction]: Checked pairs total: 4983 [2020-11-09 12:57:23,708 INFO L133 LiptonReduction]: Total number of compositions: 164 [2020-11-09 12:57:23,708 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 39 transitions, 168 flow [2020-11-09 12:57:24,254 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6191 states. [2020-11-09 12:57:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states. [2020-11-09 12:57:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 12:57:24,254 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:24,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 12:57:24,255 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:24,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:24,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1289650, now seen corresponding path program 1 times [2020-11-09 12:57:24,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:24,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316429486] [2020-11-09 12:57:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:24,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316429486] [2020-11-09 12:57:24,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:24,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:57:24,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707711694] [2020-11-09 12:57:24,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:57:24,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:24,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:57:24,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:57:24,275 INFO L87 Difference]: Start difference. First operand 6191 states. Second operand 3 states. [2020-11-09 12:57:24,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:24,354 INFO L93 Difference]: Finished difference Result 5844 states and 26316 transitions. [2020-11-09 12:57:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:57:24,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 12:57:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:24,379 INFO L225 Difference]: With dead ends: 5844 [2020-11-09 12:57:24,379 INFO L226 Difference]: Without dead ends: 5479 [2020-11-09 12:57:24,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:57:24,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5479 states. [2020-11-09 12:57:24,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5479 to 5479. [2020-11-09 12:57:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2020-11-09 12:57:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 24493 transitions. [2020-11-09 12:57:24,654 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 24493 transitions. Word has length 3 [2020-11-09 12:57:24,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:24,654 INFO L481 AbstractCegarLoop]: Abstraction has 5479 states and 24493 transitions. [2020-11-09 12:57:24,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:57:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 24493 transitions. [2020-11-09 12:57:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 12:57:24,655 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:24,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:24,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-11-09 12:57:24,655 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:24,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:24,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1325680319, now seen corresponding path program 1 times [2020-11-09 12:57:24,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:24,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437910389] [2020-11-09 12:57:24,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:24,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437910389] [2020-11-09 12:57:24,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:24,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:57:24,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484523224] [2020-11-09 12:57:24,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:57:24,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:24,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:57:24,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:57:24,688 INFO L87 Difference]: Start difference. First operand 5479 states and 24493 transitions. Second operand 5 states. [2020-11-09 12:57:24,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:24,941 INFO L93 Difference]: Finished difference Result 9673 states and 40333 transitions. [2020-11-09 12:57:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:57:24,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 12:57:24,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:24,993 INFO L225 Difference]: With dead ends: 9673 [2020-11-09 12:57:24,993 INFO L226 Difference]: Without dead ends: 9666 [2020-11-09 12:57:24,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:25,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9666 states. [2020-11-09 12:57:25,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9666 to 6331. [2020-11-09 12:57:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6331 states. [2020-11-09 12:57:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6331 states to 6331 states and 28544 transitions. [2020-11-09 12:57:25,588 INFO L78 Accepts]: Start accepts. Automaton has 6331 states and 28544 transitions. Word has length 9 [2020-11-09 12:57:25,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:25,589 INFO L481 AbstractCegarLoop]: Abstraction has 6331 states and 28544 transitions. [2020-11-09 12:57:25,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:57:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 28544 transitions. [2020-11-09 12:57:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 12:57:25,590 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:25,590 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:25,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-11-09 12:57:25,590 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:25,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:25,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1083735800, now seen corresponding path program 1 times [2020-11-09 12:57:25,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:25,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605175813] [2020-11-09 12:57:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:25,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:25,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605175813] [2020-11-09 12:57:25,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:25,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:57:25,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184415302] [2020-11-09 12:57:25,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:57:25,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:25,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:57:25,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:57:25,643 INFO L87 Difference]: Start difference. First operand 6331 states and 28544 transitions. Second operand 5 states. [2020-11-09 12:57:25,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:25,853 INFO L93 Difference]: Finished difference Result 11081 states and 46826 transitions. [2020-11-09 12:57:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:57:25,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 12:57:25,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:26,032 INFO L225 Difference]: With dead ends: 11081 [2020-11-09 12:57:26,032 INFO L226 Difference]: Without dead ends: 11068 [2020-11-09 12:57:26,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:26,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2020-11-09 12:57:26,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 7391. [2020-11-09 12:57:26,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7391 states. [2020-11-09 12:57:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7391 states to 7391 states and 33694 transitions. [2020-11-09 12:57:26,677 INFO L78 Accepts]: Start accepts. Automaton has 7391 states and 33694 transitions. Word has length 13 [2020-11-09 12:57:26,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:26,677 INFO L481 AbstractCegarLoop]: Abstraction has 7391 states and 33694 transitions. [2020-11-09 12:57:26,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:57:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 7391 states and 33694 transitions. [2020-11-09 12:57:26,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:57:26,678 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:26,678 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:26,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-11-09 12:57:26,678 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:26,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:26,679 INFO L82 PathProgramCache]: Analyzing trace with hash 717119558, now seen corresponding path program 1 times [2020-11-09 12:57:26,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:26,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401628156] [2020-11-09 12:57:26,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:26,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401628156] [2020-11-09 12:57:26,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579058517] [2020-11-09 12:57:26,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:26,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:57:26,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:57:26,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:26,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:57:26,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230393385] [2020-11-09 12:57:26,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:26,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:26,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:26,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:26,887 INFO L87 Difference]: Start difference. First operand 7391 states and 33694 transitions. Second operand 9 states. [2020-11-09 12:57:27,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:27,419 INFO L93 Difference]: Finished difference Result 16749 states and 66010 transitions. [2020-11-09 12:57:27,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:27,420 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-11-09 12:57:27,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:27,555 INFO L225 Difference]: With dead ends: 16749 [2020-11-09 12:57:27,555 INFO L226 Difference]: Without dead ends: 16736 [2020-11-09 12:57:27,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:57:27,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16736 states. [2020-11-09 12:57:28,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16736 to 7303. [2020-11-09 12:57:28,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7303 states. [2020-11-09 12:57:28,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7303 states to 7303 states and 33260 transitions. [2020-11-09 12:57:28,133 INFO L78 Accepts]: Start accepts. Automaton has 7303 states and 33260 transitions. Word has length 15 [2020-11-09 12:57:28,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:28,133 INFO L481 AbstractCegarLoop]: Abstraction has 7303 states and 33260 transitions. [2020-11-09 12:57:28,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 7303 states and 33260 transitions. [2020-11-09 12:57:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:57:28,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:28,134 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:28,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:28,348 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:28,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:28,350 INFO L82 PathProgramCache]: Analyzing trace with hash 2088019334, now seen corresponding path program 2 times [2020-11-09 12:57:28,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:28,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073446319] [2020-11-09 12:57:28,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:57:28,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073446319] [2020-11-09 12:57:28,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:28,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:28,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159247593] [2020-11-09 12:57:28,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:28,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:28,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:28,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:28,397 INFO L87 Difference]: Start difference. First operand 7303 states and 33260 transitions. Second operand 7 states. [2020-11-09 12:57:28,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:28,844 INFO L93 Difference]: Finished difference Result 17085 states and 67393 transitions. [2020-11-09 12:57:28,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:28,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 12:57:28,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:28,898 INFO L225 Difference]: With dead ends: 17085 [2020-11-09 12:57:28,898 INFO L226 Difference]: Without dead ends: 17071 [2020-11-09 12:57:28,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:29,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17071 states. [2020-11-09 12:57:29,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17071 to 7048. [2020-11-09 12:57:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7048 states. [2020-11-09 12:57:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7048 states to 7048 states and 32136 transitions. [2020-11-09 12:57:29,526 INFO L78 Accepts]: Start accepts. Automaton has 7048 states and 32136 transitions. Word has length 15 [2020-11-09 12:57:29,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:29,526 INFO L481 AbstractCegarLoop]: Abstraction has 7048 states and 32136 transitions. [2020-11-09 12:57:29,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 7048 states and 32136 transitions. [2020-11-09 12:57:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 12:57:29,527 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:29,528 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:29,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-11-09 12:57:29,528 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:29,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:29,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2132652047, now seen corresponding path program 1 times [2020-11-09 12:57:29,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:29,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122688268] [2020-11-09 12:57:29,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:29,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122688268] [2020-11-09 12:57:29,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:29,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:57:29,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559689390] [2020-11-09 12:57:29,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:57:29,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:29,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:57:29,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:57:29,608 INFO L87 Difference]: Start difference. First operand 7048 states and 32136 transitions. Second operand 5 states. [2020-11-09 12:57:29,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:29,759 INFO L93 Difference]: Finished difference Result 12234 states and 52488 transitions. [2020-11-09 12:57:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:57:29,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 12:57:29,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:29,795 INFO L225 Difference]: With dead ends: 12234 [2020-11-09 12:57:29,795 INFO L226 Difference]: Without dead ends: 12212 [2020-11-09 12:57:29,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:30,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12212 states. [2020-11-09 12:57:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12212 to 8342. [2020-11-09 12:57:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8342 states. [2020-11-09 12:57:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8342 states to 8342 states and 38278 transitions. [2020-11-09 12:57:30,200 INFO L78 Accepts]: Start accepts. Automaton has 8342 states and 38278 transitions. Word has length 17 [2020-11-09 12:57:30,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:30,201 INFO L481 AbstractCegarLoop]: Abstraction has 8342 states and 38278 transitions. [2020-11-09 12:57:30,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:57:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 8342 states and 38278 transitions. [2020-11-09 12:57:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:57:30,202 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:30,202 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:30,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-11-09 12:57:30,202 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:30,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:30,203 INFO L82 PathProgramCache]: Analyzing trace with hash 930798143, now seen corresponding path program 1 times [2020-11-09 12:57:30,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:30,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822948280] [2020-11-09 12:57:30,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:57:30,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822948280] [2020-11-09 12:57:30,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506280994] [2020-11-09 12:57:30,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:30,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:57:30,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:57:30,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:30,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:57:30,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527690353] [2020-11-09 12:57:30,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:30,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:30,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:30,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:30,523 INFO L87 Difference]: Start difference. First operand 8342 states and 38278 transitions. Second operand 9 states. [2020-11-09 12:57:31,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:31,031 INFO L93 Difference]: Finished difference Result 19016 states and 76191 transitions. [2020-11-09 12:57:31,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:31,032 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-11-09 12:57:31,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:31,113 INFO L225 Difference]: With dead ends: 19016 [2020-11-09 12:57:31,113 INFO L226 Difference]: Without dead ends: 18998 [2020-11-09 12:57:31,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:57:31,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18998 states. [2020-11-09 12:57:31,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18998 to 8452. [2020-11-09 12:57:31,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8452 states. [2020-11-09 12:57:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 38704 transitions. [2020-11-09 12:57:31,616 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 38704 transitions. Word has length 19 [2020-11-09 12:57:31,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:31,617 INFO L481 AbstractCegarLoop]: Abstraction has 8452 states and 38704 transitions. [2020-11-09 12:57:31,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 38704 transitions. [2020-11-09 12:57:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:57:31,618 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:31,618 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:31,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-11-09 12:57:31,832 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:31,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:31,833 INFO L82 PathProgramCache]: Analyzing trace with hash -779215809, now seen corresponding path program 2 times [2020-11-09 12:57:31,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:31,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190441645] [2020-11-09 12:57:31,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:31,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190441645] [2020-11-09 12:57:31,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:31,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:31,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130478079] [2020-11-09 12:57:31,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:31,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:31,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:31,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:31,890 INFO L87 Difference]: Start difference. First operand 8452 states and 38704 transitions. Second operand 7 states. [2020-11-09 12:57:32,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:32,443 INFO L93 Difference]: Finished difference Result 19420 states and 77854 transitions. [2020-11-09 12:57:32,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:32,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 12:57:32,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:32,498 INFO L225 Difference]: With dead ends: 19420 [2020-11-09 12:57:32,498 INFO L226 Difference]: Without dead ends: 19395 [2020-11-09 12:57:32,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19395 states. [2020-11-09 12:57:32,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19395 to 8129. [2020-11-09 12:57:32,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8129 states. [2020-11-09 12:57:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8129 states to 8129 states and 37298 transitions. [2020-11-09 12:57:33,006 INFO L78 Accepts]: Start accepts. Automaton has 8129 states and 37298 transitions. Word has length 19 [2020-11-09 12:57:33,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:33,006 INFO L481 AbstractCegarLoop]: Abstraction has 8129 states and 37298 transitions. [2020-11-09 12:57:33,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:33,006 INFO L276 IsEmpty]: Start isEmpty. Operand 8129 states and 37298 transitions. [2020-11-09 12:57:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:57:33,007 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:33,007 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:33,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-11-09 12:57:33,007 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:33,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:33,008 INFO L82 PathProgramCache]: Analyzing trace with hash -779225047, now seen corresponding path program 1 times [2020-11-09 12:57:33,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:33,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328397041] [2020-11-09 12:57:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:33,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328397041] [2020-11-09 12:57:33,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:33,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:33,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636299549] [2020-11-09 12:57:33,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:33,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:33,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:33,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:33,063 INFO L87 Difference]: Start difference. First operand 8129 states and 37298 transitions. Second operand 7 states. [2020-11-09 12:57:33,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:33,615 INFO L93 Difference]: Finished difference Result 19373 states and 77785 transitions. [2020-11-09 12:57:33,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:33,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 12:57:33,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:33,678 INFO L225 Difference]: With dead ends: 19373 [2020-11-09 12:57:33,678 INFO L226 Difference]: Without dead ends: 19348 [2020-11-09 12:57:33,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:33,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19348 states. [2020-11-09 12:57:34,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19348 to 8375. [2020-11-09 12:57:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8375 states. [2020-11-09 12:57:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8375 states to 8375 states and 38394 transitions. [2020-11-09 12:57:34,328 INFO L78 Accepts]: Start accepts. Automaton has 8375 states and 38394 transitions. Word has length 19 [2020-11-09 12:57:34,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:34,328 INFO L481 AbstractCegarLoop]: Abstraction has 8375 states and 38394 transitions. [2020-11-09 12:57:34,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 8375 states and 38394 transitions. [2020-11-09 12:57:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:57:34,329 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:34,329 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:34,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-11-09 12:57:34,329 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:34,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:34,329 INFO L82 PathProgramCache]: Analyzing trace with hash -787409047, now seen corresponding path program 2 times [2020-11-09 12:57:34,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:34,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45417987] [2020-11-09 12:57:34,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:34,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45417987] [2020-11-09 12:57:34,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:34,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:34,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433852768] [2020-11-09 12:57:34,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:34,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:34,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:34,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:34,389 INFO L87 Difference]: Start difference. First operand 8375 states and 38394 transitions. Second operand 7 states. [2020-11-09 12:57:34,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:34,768 INFO L93 Difference]: Finished difference Result 19555 states and 78564 transitions. [2020-11-09 12:57:34,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:34,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 12:57:34,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:34,824 INFO L225 Difference]: With dead ends: 19555 [2020-11-09 12:57:34,824 INFO L226 Difference]: Without dead ends: 19530 [2020-11-09 12:57:34,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:34,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2020-11-09 12:57:35,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 8317. [2020-11-09 12:57:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8317 states. [2020-11-09 12:57:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8317 states to 8317 states and 38184 transitions. [2020-11-09 12:57:35,428 INFO L78 Accepts]: Start accepts. Automaton has 8317 states and 38184 transitions. Word has length 19 [2020-11-09 12:57:35,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:35,429 INFO L481 AbstractCegarLoop]: Abstraction has 8317 states and 38184 transitions. [2020-11-09 12:57:35,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 8317 states and 38184 transitions. [2020-11-09 12:57:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:35,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:35,431 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:35,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-11-09 12:57:35,431 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:35,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:35,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1143809783, now seen corresponding path program 1 times [2020-11-09 12:57:35,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:35,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115870108] [2020-11-09 12:57:35,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:57:35,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115870108] [2020-11-09 12:57:35,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67927221] [2020-11-09 12:57:35,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:35,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:57:35,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:57:35,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:35,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:57:35,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199241658] [2020-11-09 12:57:35,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:57:35,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:35,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:57:35,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:57:35,646 INFO L87 Difference]: Start difference. First operand 8317 states and 38184 transitions. Second operand 11 states. [2020-11-09 12:57:36,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:36,669 INFO L93 Difference]: Finished difference Result 26969 states and 101544 transitions. [2020-11-09 12:57:36,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:36,670 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:57:36,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:36,740 INFO L225 Difference]: With dead ends: 26969 [2020-11-09 12:57:36,740 INFO L226 Difference]: Without dead ends: 26957 [2020-11-09 12:57:36,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:57:36,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26957 states. [2020-11-09 12:57:37,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26957 to 8208. [2020-11-09 12:57:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8208 states. [2020-11-09 12:57:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8208 states to 8208 states and 37640 transitions. [2020-11-09 12:57:37,426 INFO L78 Accepts]: Start accepts. Automaton has 8208 states and 37640 transitions. Word has length 21 [2020-11-09 12:57:37,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:37,426 INFO L481 AbstractCegarLoop]: Abstraction has 8208 states and 37640 transitions. [2020-11-09 12:57:37,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:57:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 8208 states and 37640 transitions. [2020-11-09 12:57:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:37,428 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:37,428 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:37,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2020-11-09 12:57:37,629 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:37,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:37,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1135625783, now seen corresponding path program 2 times [2020-11-09 12:57:37,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:37,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804939665] [2020-11-09 12:57:37,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:57:37,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804939665] [2020-11-09 12:57:37,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642466516] [2020-11-09 12:57:37,708 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:37,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 12:57:37,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:57:37,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:57:37,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:57:37,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:37,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:57:37,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561738354] [2020-11-09 12:57:37,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:57:37,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:37,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:57:37,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:57:37,889 INFO L87 Difference]: Start difference. First operand 8208 states and 37640 transitions. Second operand 11 states. [2020-11-09 12:57:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:38,983 INFO L93 Difference]: Finished difference Result 26669 states and 100297 transitions. [2020-11-09 12:57:38,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:38,984 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:57:38,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:39,058 INFO L225 Difference]: With dead ends: 26669 [2020-11-09 12:57:39,058 INFO L226 Difference]: Without dead ends: 26653 [2020-11-09 12:57:39,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:57:39,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26653 states. [2020-11-09 12:57:39,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26653 to 8091. [2020-11-09 12:57:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8091 states. [2020-11-09 12:57:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 37076 transitions. [2020-11-09 12:57:39,708 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 37076 transitions. Word has length 21 [2020-11-09 12:57:39,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:39,708 INFO L481 AbstractCegarLoop]: Abstraction has 8091 states and 37076 transitions. [2020-11-09 12:57:39,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:57:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 37076 transitions. [2020-11-09 12:57:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:39,710 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:39,710 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:39,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:39,915 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:39,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:39,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1502091017, now seen corresponding path program 3 times [2020-11-09 12:57:39,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:39,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862191152] [2020-11-09 12:57:39,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:39,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862191152] [2020-11-09 12:57:39,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:39,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:57:39,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688657138] [2020-11-09 12:57:39,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:39,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:39,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:39,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:39,984 INFO L87 Difference]: Start difference. First operand 8091 states and 37076 transitions. Second operand 9 states. [2020-11-09 12:57:41,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:41,064 INFO L93 Difference]: Finished difference Result 26678 states and 100382 transitions. [2020-11-09 12:57:41,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:41,064 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 12:57:41,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:41,158 INFO L225 Difference]: With dead ends: 26678 [2020-11-09 12:57:41,159 INFO L226 Difference]: Without dead ends: 26666 [2020-11-09 12:57:41,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:57:41,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26666 states. [2020-11-09 12:57:41,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26666 to 7869. [2020-11-09 12:57:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7869 states. [2020-11-09 12:57:41,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7869 states to 7869 states and 36086 transitions. [2020-11-09 12:57:41,827 INFO L78 Accepts]: Start accepts. Automaton has 7869 states and 36086 transitions. Word has length 21 [2020-11-09 12:57:41,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:41,827 INFO L481 AbstractCegarLoop]: Abstraction has 7869 states and 36086 transitions. [2020-11-09 12:57:41,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:41,827 INFO L276 IsEmpty]: Start isEmpty. Operand 7869 states and 36086 transitions. [2020-11-09 12:57:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:41,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:41,829 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:41,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-11-09 12:57:41,830 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:41,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:41,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1510959497, now seen corresponding path program 4 times [2020-11-09 12:57:41,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:41,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80003139] [2020-11-09 12:57:41,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:41,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80003139] [2020-11-09 12:57:41,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:41,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:57:41,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669079664] [2020-11-09 12:57:41,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:41,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:41,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:41,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:41,957 INFO L87 Difference]: Start difference. First operand 7869 states and 36086 transitions. Second operand 9 states. [2020-11-09 12:57:42,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:42,816 INFO L93 Difference]: Finished difference Result 26497 states and 99670 transitions. [2020-11-09 12:57:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:42,816 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 12:57:42,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:42,915 INFO L225 Difference]: With dead ends: 26497 [2020-11-09 12:57:42,915 INFO L226 Difference]: Without dead ends: 26481 [2020-11-09 12:57:42,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:57:43,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26481 states. [2020-11-09 12:57:43,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26481 to 7756. [2020-11-09 12:57:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7756 states. [2020-11-09 12:57:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 35534 transitions. [2020-11-09 12:57:43,566 INFO L78 Accepts]: Start accepts. Automaton has 7756 states and 35534 transitions. Word has length 21 [2020-11-09 12:57:43,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:43,566 INFO L481 AbstractCegarLoop]: Abstraction has 7756 states and 35534 transitions. [2020-11-09 12:57:43,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7756 states and 35534 transitions. [2020-11-09 12:57:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:43,567 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:43,567 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:43,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-11-09 12:57:43,568 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:43,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:43,568 INFO L82 PathProgramCache]: Analyzing trace with hash 540308572, now seen corresponding path program 1 times [2020-11-09 12:57:43,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:43,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116733607] [2020-11-09 12:57:43,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:43,605 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:57:43,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116733607] [2020-11-09 12:57:43,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:43,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:57:43,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657483133] [2020-11-09 12:57:43,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:57:43,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:43,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:57:43,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:57:43,607 INFO L87 Difference]: Start difference. First operand 7756 states and 35534 transitions. Second operand 5 states. [2020-11-09 12:57:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:43,755 INFO L93 Difference]: Finished difference Result 13259 states and 57521 transitions. [2020-11-09 12:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:57:43,756 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-11-09 12:57:43,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:43,794 INFO L225 Difference]: With dead ends: 13259 [2020-11-09 12:57:43,794 INFO L226 Difference]: Without dead ends: 13228 [2020-11-09 12:57:43,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:43,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13228 states. [2020-11-09 12:57:44,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13228 to 9263. [2020-11-09 12:57:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9263 states. [2020-11-09 12:57:44,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9263 states to 9263 states and 42388 transitions. [2020-11-09 12:57:44,300 INFO L78 Accepts]: Start accepts. Automaton has 9263 states and 42388 transitions. Word has length 21 [2020-11-09 12:57:44,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:44,301 INFO L481 AbstractCegarLoop]: Abstraction has 9263 states and 42388 transitions. [2020-11-09 12:57:44,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:57:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 9263 states and 42388 transitions. [2020-11-09 12:57:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:44,302 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:44,302 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:44,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-11-09 12:57:44,302 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:44,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:44,303 INFO L82 PathProgramCache]: Analyzing trace with hash -785848905, now seen corresponding path program 5 times [2020-11-09 12:57:44,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:44,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283587700] [2020-11-09 12:57:44,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:44,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283587700] [2020-11-09 12:57:44,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:44,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:57:44,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677489567] [2020-11-09 12:57:44,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:44,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:44,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:44,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:44,371 INFO L87 Difference]: Start difference. First operand 9263 states and 42388 transitions. Second operand 9 states. [2020-11-09 12:57:45,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:45,342 INFO L93 Difference]: Finished difference Result 29796 states and 113861 transitions. [2020-11-09 12:57:45,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:45,343 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 12:57:45,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:45,456 INFO L225 Difference]: With dead ends: 29796 [2020-11-09 12:57:45,456 INFO L226 Difference]: Without dead ends: 29778 [2020-11-09 12:57:45,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:57:45,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29778 states. [2020-11-09 12:57:46,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29778 to 8972. [2020-11-09 12:57:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8972 states. [2020-11-09 12:57:46,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 41051 transitions. [2020-11-09 12:57:46,178 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 41051 transitions. Word has length 21 [2020-11-09 12:57:46,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:46,178 INFO L481 AbstractCegarLoop]: Abstraction has 8972 states and 41051 transitions. [2020-11-09 12:57:46,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 41051 transitions. [2020-11-09 12:57:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:57:46,180 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:46,181 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:46,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-11-09 12:57:46,181 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:46,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:46,181 INFO L82 PathProgramCache]: Analyzing trace with hash -785164425, now seen corresponding path program 6 times [2020-11-09 12:57:46,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:46,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754318181] [2020-11-09 12:57:46,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:46,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754318181] [2020-11-09 12:57:46,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:46,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:57:46,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886281593] [2020-11-09 12:57:46,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:46,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:46,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:46,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:46,263 INFO L87 Difference]: Start difference. First operand 8972 states and 41051 transitions. Second operand 9 states. [2020-11-09 12:57:47,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:47,228 INFO L93 Difference]: Finished difference Result 29387 states and 112119 transitions. [2020-11-09 12:57:47,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:47,229 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 12:57:47,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:47,316 INFO L225 Difference]: With dead ends: 29387 [2020-11-09 12:57:47,317 INFO L226 Difference]: Without dead ends: 29364 [2020-11-09 12:57:47,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:57:47,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29364 states. [2020-11-09 12:57:48,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29364 to 8573. [2020-11-09 12:57:48,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8573 states. [2020-11-09 12:57:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8573 states to 8573 states and 39353 transitions. [2020-11-09 12:57:48,107 INFO L78 Accepts]: Start accepts. Automaton has 8573 states and 39353 transitions. Word has length 21 [2020-11-09 12:57:48,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:48,108 INFO L481 AbstractCegarLoop]: Abstraction has 8573 states and 39353 transitions. [2020-11-09 12:57:48,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 8573 states and 39353 transitions. [2020-11-09 12:57:48,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 12:57:48,110 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:48,110 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:48,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-11-09 12:57:48,111 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:48,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:48,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1740842922, now seen corresponding path program 1 times [2020-11-09 12:57:48,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:48,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327845052] [2020-11-09 12:57:48,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-09 12:57:48,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327845052] [2020-11-09 12:57:48,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554682905] [2020-11-09 12:57:48,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:48,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:57:48,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-09 12:57:48,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:48,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:57:48,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100942335] [2020-11-09 12:57:48,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:48,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:48,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:48,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:48,296 INFO L87 Difference]: Start difference. First operand 8573 states and 39353 transitions. Second operand 9 states. [2020-11-09 12:57:48,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:48,836 INFO L93 Difference]: Finished difference Result 19727 states and 80274 transitions. [2020-11-09 12:57:48,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:48,837 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-11-09 12:57:48,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:48,893 INFO L225 Difference]: With dead ends: 19727 [2020-11-09 12:57:48,893 INFO L226 Difference]: Without dead ends: 19703 [2020-11-09 12:57:48,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:57:49,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19703 states. [2020-11-09 12:57:49,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19703 to 8847. [2020-11-09 12:57:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8847 states. [2020-11-09 12:57:49,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8847 states to 8847 states and 40495 transitions. [2020-11-09 12:57:49,280 INFO L78 Accepts]: Start accepts. Automaton has 8847 states and 40495 transitions. Word has length 23 [2020-11-09 12:57:49,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:49,282 INFO L481 AbstractCegarLoop]: Abstraction has 8847 states and 40495 transitions. [2020-11-09 12:57:49,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:49,282 INFO L276 IsEmpty]: Start isEmpty. Operand 8847 states and 40495 transitions. [2020-11-09 12:57:49,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 12:57:49,284 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:49,284 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:49,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2020-11-09 12:57:49,498 INFO L429 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:49,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:49,498 INFO L82 PathProgramCache]: Analyzing trace with hash -2019219285, now seen corresponding path program 1 times [2020-11-09 12:57:49,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:49,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120113437] [2020-11-09 12:57:49,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:49,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120113437] [2020-11-09 12:57:49,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422815414] [2020-11-09 12:57:49,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:49,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:57:49,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:57:49,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:49,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:57:49,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774370905] [2020-11-09 12:57:49,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:49,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:49,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:49,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:49,837 INFO L87 Difference]: Start difference. First operand 8847 states and 40495 transitions. Second operand 9 states. [2020-11-09 12:57:50,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:50,314 INFO L93 Difference]: Finished difference Result 20670 states and 84217 transitions. [2020-11-09 12:57:50,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:50,314 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-11-09 12:57:50,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:50,399 INFO L225 Difference]: With dead ends: 20670 [2020-11-09 12:57:50,400 INFO L226 Difference]: Without dead ends: 20642 [2020-11-09 12:57:50,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:57:50,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20642 states. [2020-11-09 12:57:51,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20642 to 9111. [2020-11-09 12:57:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9111 states. [2020-11-09 12:57:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9111 states to 9111 states and 41667 transitions. [2020-11-09 12:57:51,069 INFO L78 Accepts]: Start accepts. Automaton has 9111 states and 41667 transitions. Word has length 23 [2020-11-09 12:57:51,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:51,069 INFO L481 AbstractCegarLoop]: Abstraction has 9111 states and 41667 transitions. [2020-11-09 12:57:51,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 9111 states and 41667 transitions. [2020-11-09 12:57:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 12:57:51,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:51,072 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:51,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:51,273 INFO L429 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:51,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:51,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2015481372, now seen corresponding path program 1 times [2020-11-09 12:57:51,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:51,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669399704] [2020-11-09 12:57:51,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:57:51,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669399704] [2020-11-09 12:57:51,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353506602] [2020-11-09 12:57:51,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:51,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:57:51,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:57:51,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:51,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:57:51,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712197146] [2020-11-09 12:57:51,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:57:51,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:51,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:57:51,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:57:51,496 INFO L87 Difference]: Start difference. First operand 9111 states and 41667 transitions. Second operand 9 states. [2020-11-09 12:57:51,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:51,919 INFO L93 Difference]: Finished difference Result 21416 states and 87392 transitions. [2020-11-09 12:57:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:51,920 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-11-09 12:57:51,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:51,986 INFO L225 Difference]: With dead ends: 21416 [2020-11-09 12:57:51,986 INFO L226 Difference]: Without dead ends: 21379 [2020-11-09 12:57:51,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:57:52,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21379 states. [2020-11-09 12:57:52,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21379 to 9320. [2020-11-09 12:57:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9320 states. [2020-11-09 12:57:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9320 states to 9320 states and 42648 transitions. [2020-11-09 12:57:52,624 INFO L78 Accepts]: Start accepts. Automaton has 9320 states and 42648 transitions. Word has length 23 [2020-11-09 12:57:52,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:52,625 INFO L481 AbstractCegarLoop]: Abstraction has 9320 states and 42648 transitions. [2020-11-09 12:57:52,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:57:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 9320 states and 42648 transitions. [2020-11-09 12:57:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 12:57:52,628 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:52,629 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:52,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:52,829 INFO L429 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:52,830 INFO L82 PathProgramCache]: Analyzing trace with hash -454504671, now seen corresponding path program 2 times [2020-11-09 12:57:52,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:52,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350091569] [2020-11-09 12:57:52,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:57:52,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350091569] [2020-11-09 12:57:52,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:52,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:52,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705281530] [2020-11-09 12:57:52,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:52,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:52,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:52,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:52,876 INFO L87 Difference]: Start difference. First operand 9320 states and 42648 transitions. Second operand 7 states. [2020-11-09 12:57:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:53,229 INFO L93 Difference]: Finished difference Result 21469 states and 87720 transitions. [2020-11-09 12:57:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:53,230 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-09 12:57:53,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:53,286 INFO L225 Difference]: With dead ends: 21469 [2020-11-09 12:57:53,286 INFO L226 Difference]: Without dead ends: 21432 [2020-11-09 12:57:53,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21432 states. [2020-11-09 12:57:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21432 to 9401. [2020-11-09 12:57:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9401 states. [2020-11-09 12:57:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9401 states to 9401 states and 43010 transitions. [2020-11-09 12:57:53,898 INFO L78 Accepts]: Start accepts. Automaton has 9401 states and 43010 transitions. Word has length 23 [2020-11-09 12:57:53,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:53,898 INFO L481 AbstractCegarLoop]: Abstraction has 9401 states and 43010 transitions. [2020-11-09 12:57:53,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 9401 states and 43010 transitions. [2020-11-09 12:57:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 12:57:53,900 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:53,900 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:53,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-11-09 12:57:53,901 INFO L429 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:53,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:53,901 INFO L82 PathProgramCache]: Analyzing trace with hash -454503958, now seen corresponding path program 2 times [2020-11-09 12:57:53,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:53,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625783252] [2020-11-09 12:57:53,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:57:53,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625783252] [2020-11-09 12:57:53,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:53,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:53,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969311208] [2020-11-09 12:57:53,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:53,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:53,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:53,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:53,948 INFO L87 Difference]: Start difference. First operand 9401 states and 43010 transitions. Second operand 7 states. [2020-11-09 12:57:54,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:54,307 INFO L93 Difference]: Finished difference Result 21218 states and 86469 transitions. [2020-11-09 12:57:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:54,307 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-09 12:57:54,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:54,363 INFO L225 Difference]: With dead ends: 21218 [2020-11-09 12:57:54,363 INFO L226 Difference]: Without dead ends: 21181 [2020-11-09 12:57:54,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21181 states. [2020-11-09 12:57:54,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21181 to 9396. [2020-11-09 12:57:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9396 states. [2020-11-09 12:57:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9396 states to 9396 states and 42985 transitions. [2020-11-09 12:57:54,986 INFO L78 Accepts]: Start accepts. Automaton has 9396 states and 42985 transitions. Word has length 23 [2020-11-09 12:57:54,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:54,986 INFO L481 AbstractCegarLoop]: Abstraction has 9396 states and 42985 transitions. [2020-11-09 12:57:54,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 9396 states and 42985 transitions. [2020-11-09 12:57:54,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-09 12:57:54,988 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:54,988 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:54,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-11-09 12:57:54,989 INFO L429 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:54,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:54,989 INFO L82 PathProgramCache]: Analyzing trace with hash -454513196, now seen corresponding path program 2 times [2020-11-09 12:57:54,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:54,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983220116] [2020-11-09 12:57:54,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:57:55,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983220116] [2020-11-09 12:57:55,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:57:55,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:57:55,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312849894] [2020-11-09 12:57:55,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:57:55,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:55,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:57:55,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:57:55,040 INFO L87 Difference]: Start difference. First operand 9396 states and 42985 transitions. Second operand 7 states. [2020-11-09 12:57:55,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:55,472 INFO L93 Difference]: Finished difference Result 21067 states and 85734 transitions. [2020-11-09 12:57:55,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:57:55,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-09 12:57:55,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:55,559 INFO L225 Difference]: With dead ends: 21067 [2020-11-09 12:57:55,559 INFO L226 Difference]: Without dead ends: 21030 [2020-11-09 12:57:55,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:57:55,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21030 states. [2020-11-09 12:57:56,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21030 to 9426. [2020-11-09 12:57:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9426 states. [2020-11-09 12:57:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9426 states to 9426 states and 43057 transitions. [2020-11-09 12:57:56,329 INFO L78 Accepts]: Start accepts. Automaton has 9426 states and 43057 transitions. Word has length 23 [2020-11-09 12:57:56,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:56,329 INFO L481 AbstractCegarLoop]: Abstraction has 9426 states and 43057 transitions. [2020-11-09 12:57:56,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:57:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 9426 states and 43057 transitions. [2020-11-09 12:57:56,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:57:56,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:56,333 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:56,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-11-09 12:57:56,333 INFO L429 AbstractCegarLoop]: === Iteration 24 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:56,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:56,333 INFO L82 PathProgramCache]: Analyzing trace with hash 643055737, now seen corresponding path program 1 times [2020-11-09 12:57:56,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:56,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593594335] [2020-11-09 12:57:56,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:57:56,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593594335] [2020-11-09 12:57:56,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241180684] [2020-11-09 12:57:56,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:56,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:57:56,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:56,579 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:57:56,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:56,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:57:56,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043709810] [2020-11-09 12:57:56,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:57:56,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:56,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:57:56,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:57:56,580 INFO L87 Difference]: Start difference. First operand 9426 states and 43057 transitions. Second operand 11 states. [2020-11-09 12:57:57,398 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-09 12:57:57,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:57,705 INFO L93 Difference]: Finished difference Result 30145 states and 115754 transitions. [2020-11-09 12:57:57,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:57,705 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:57:57,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:57:57,785 INFO L225 Difference]: With dead ends: 30145 [2020-11-09 12:57:57,785 INFO L226 Difference]: Without dead ends: 30125 [2020-11-09 12:57:57,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:57:57,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30125 states. [2020-11-09 12:57:58,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30125 to 9346. [2020-11-09 12:57:58,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9346 states. [2020-11-09 12:57:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9346 states to 9346 states and 42602 transitions. [2020-11-09 12:57:58,467 INFO L78 Accepts]: Start accepts. Automaton has 9346 states and 42602 transitions. Word has length 25 [2020-11-09 12:57:58,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:57:58,467 INFO L481 AbstractCegarLoop]: Abstraction has 9346 states and 42602 transitions. [2020-11-09 12:57:58,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:57:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 9346 states and 42602 transitions. [2020-11-09 12:57:58,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:57:58,470 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:57:58,470 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:57:58,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:58,672 INFO L429 AbstractCegarLoop]: === Iteration 25 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:57:58,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:57:58,673 INFO L82 PathProgramCache]: Analyzing trace with hash 646793650, now seen corresponding path program 1 times [2020-11-09 12:57:58,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:57:58,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393069774] [2020-11-09 12:57:58,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:57:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-09 12:57:58,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393069774] [2020-11-09 12:57:58,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716282553] [2020-11-09 12:57:58,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:57:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:57:58,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:57:58,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:57:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-09 12:57:58,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:57:58,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:57:58,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984219315] [2020-11-09 12:57:58,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:57:58,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:57:58,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:57:58,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:57:58,876 INFO L87 Difference]: Start difference. First operand 9346 states and 42602 transitions. Second operand 11 states. [2020-11-09 12:57:59,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:57:59,807 INFO L93 Difference]: Finished difference Result 29704 states and 113936 transitions. [2020-11-09 12:57:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:57:59,808 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:57:59,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:00,153 INFO L225 Difference]: With dead ends: 29704 [2020-11-09 12:58:00,153 INFO L226 Difference]: Without dead ends: 29684 [2020-11-09 12:58:00,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:00,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29684 states. [2020-11-09 12:58:00,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29684 to 9291. [2020-11-09 12:58:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9291 states. [2020-11-09 12:58:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9291 states to 9291 states and 42295 transitions. [2020-11-09 12:58:00,649 INFO L78 Accepts]: Start accepts. Automaton has 9291 states and 42295 transitions. Word has length 25 [2020-11-09 12:58:00,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:00,649 INFO L481 AbstractCegarLoop]: Abstraction has 9291 states and 42295 transitions. [2020-11-09 12:58:00,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 9291 states and 42295 transitions. [2020-11-09 12:58:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:00,652 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:00,653 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:00,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2020-11-09 12:58:00,853 INFO L429 AbstractCegarLoop]: === Iteration 26 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:00,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:00,854 INFO L82 PathProgramCache]: Analyzing trace with hash -2087196945, now seen corresponding path program 2 times [2020-11-09 12:58:00,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:00,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628434179] [2020-11-09 12:58:00,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-09 12:58:00,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628434179] [2020-11-09 12:58:00,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514296259] [2020-11-09 12:58:00,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:01,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 12:58:01,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:58:01,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:01,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-09 12:58:01,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:01,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:01,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109248195] [2020-11-09 12:58:01,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:01,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:01,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:01,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:01,068 INFO L87 Difference]: Start difference. First operand 9291 states and 42295 transitions. Second operand 11 states. [2020-11-09 12:58:02,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:02,197 INFO L93 Difference]: Finished difference Result 29267 states and 112142 transitions. [2020-11-09 12:58:02,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:02,197 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:02,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:02,279 INFO L225 Difference]: With dead ends: 29267 [2020-11-09 12:58:02,279 INFO L226 Difference]: Without dead ends: 29245 [2020-11-09 12:58:02,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:02,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29245 states. [2020-11-09 12:58:02,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29245 to 9288. [2020-11-09 12:58:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9288 states. [2020-11-09 12:58:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9288 states to 9288 states and 42242 transitions. [2020-11-09 12:58:02,945 INFO L78 Accepts]: Start accepts. Automaton has 9288 states and 42242 transitions. Word has length 25 [2020-11-09 12:58:02,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:02,945 INFO L481 AbstractCegarLoop]: Abstraction has 9288 states and 42242 transitions. [2020-11-09 12:58:02,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 9288 states and 42242 transitions. [2020-11-09 12:58:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:02,949 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:02,949 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:03,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2020-11-09 12:58:03,150 INFO L429 AbstractCegarLoop]: === Iteration 27 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:03,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:03,151 INFO L82 PathProgramCache]: Analyzing trace with hash -2087205470, now seen corresponding path program 2 times [2020-11-09 12:58:03,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:03,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367043592] [2020-11-09 12:58:03,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-09 12:58:03,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367043592] [2020-11-09 12:58:03,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903616595] [2020-11-09 12:58:03,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:03,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 12:58:03,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:58:03,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:03,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-09 12:58:03,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:03,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:03,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23620191] [2020-11-09 12:58:03,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:03,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:03,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:03,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:03,374 INFO L87 Difference]: Start difference. First operand 9288 states and 42242 transitions. Second operand 11 states. [2020-11-09 12:58:04,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:04,668 INFO L93 Difference]: Finished difference Result 28920 states and 110796 transitions. [2020-11-09 12:58:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:04,686 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:04,781 INFO L225 Difference]: With dead ends: 28920 [2020-11-09 12:58:04,781 INFO L226 Difference]: Without dead ends: 28898 [2020-11-09 12:58:04,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:04,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28898 states. [2020-11-09 12:58:05,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28898 to 9176. [2020-11-09 12:58:05,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9176 states. [2020-11-09 12:58:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9176 states to 9176 states and 41695 transitions. [2020-11-09 12:58:05,291 INFO L78 Accepts]: Start accepts. Automaton has 9176 states and 41695 transitions. Word has length 25 [2020-11-09 12:58:05,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:05,291 INFO L481 AbstractCegarLoop]: Abstraction has 9176 states and 41695 transitions. [2020-11-09 12:58:05,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 9176 states and 41695 transitions. [2020-11-09 12:58:05,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:05,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:05,296 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:05,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2020-11-09 12:58:05,496 INFO L429 AbstractCegarLoop]: === Iteration 28 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:05,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:05,497 INFO L82 PathProgramCache]: Analyzing trace with hash 855486073, now seen corresponding path program 3 times [2020-11-09 12:58:05,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:05,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227594984] [2020-11-09 12:58:05,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:58:05,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227594984] [2020-11-09 12:58:05,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079410221] [2020-11-09 12:58:05,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:05,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-11-09 12:58:05,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:58:05,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:05,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:58:05,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:05,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:05,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757288179] [2020-11-09 12:58:05,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:05,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:05,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:05,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:05,911 INFO L87 Difference]: Start difference. First operand 9176 states and 41695 transitions. Second operand 11 states. [2020-11-09 12:58:06,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:06,825 INFO L93 Difference]: Finished difference Result 29577 states and 113496 transitions. [2020-11-09 12:58:06,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:06,825 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:06,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:06,907 INFO L225 Difference]: With dead ends: 29577 [2020-11-09 12:58:06,907 INFO L226 Difference]: Without dead ends: 29557 [2020-11-09 12:58:06,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:07,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29557 states. [2020-11-09 12:58:07,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29557 to 9202. [2020-11-09 12:58:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9202 states. [2020-11-09 12:58:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9202 states to 9202 states and 41754 transitions. [2020-11-09 12:58:07,668 INFO L78 Accepts]: Start accepts. Automaton has 9202 states and 41754 transitions. Word has length 25 [2020-11-09 12:58:07,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:07,669 INFO L481 AbstractCegarLoop]: Abstraction has 9202 states and 41754 transitions. [2020-11-09 12:58:07,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:07,669 INFO L276 IsEmpty]: Start isEmpty. Operand 9202 states and 41754 transitions. [2020-11-09 12:58:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:07,673 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:07,673 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:07,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2020-11-09 12:58:07,874 INFO L429 AbstractCegarLoop]: === Iteration 29 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:07,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:07,875 INFO L82 PathProgramCache]: Analyzing trace with hash 855476835, now seen corresponding path program 1 times [2020-11-09 12:58:07,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:07,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103478970] [2020-11-09 12:58:07,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:58:07,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103478970] [2020-11-09 12:58:07,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76879691] [2020-11-09 12:58:07,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:08,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:08,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:58:08,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:08,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:08,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328060563] [2020-11-09 12:58:08,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:08,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:08,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:08,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:08,097 INFO L87 Difference]: Start difference. First operand 9202 states and 41754 transitions. Second operand 11 states. [2020-11-09 12:58:09,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:09,198 INFO L93 Difference]: Finished difference Result 29376 states and 112927 transitions. [2020-11-09 12:58:09,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:09,199 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:09,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:09,293 INFO L225 Difference]: With dead ends: 29376 [2020-11-09 12:58:09,293 INFO L226 Difference]: Without dead ends: 29356 [2020-11-09 12:58:09,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:09,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29356 states. [2020-11-09 12:58:09,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29356 to 9152. [2020-11-09 12:58:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9152 states. [2020-11-09 12:58:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9152 states to 9152 states and 41485 transitions. [2020-11-09 12:58:09,828 INFO L78 Accepts]: Start accepts. Automaton has 9152 states and 41485 transitions. Word has length 25 [2020-11-09 12:58:09,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:09,828 INFO L481 AbstractCegarLoop]: Abstraction has 9152 states and 41485 transitions. [2020-11-09 12:58:09,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 9152 states and 41485 transitions. [2020-11-09 12:58:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:09,831 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:09,831 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:10,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:10,032 INFO L429 AbstractCegarLoop]: === Iteration 30 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:10,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:10,033 INFO L82 PathProgramCache]: Analyzing trace with hash 874264633, now seen corresponding path program 4 times [2020-11-09 12:58:10,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:10,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368976619] [2020-11-09 12:58:10,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:58:10,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368976619] [2020-11-09 12:58:10,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168886935] [2020-11-09 12:58:10,093 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:10,356 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 12:58:10,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:58:10,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:10,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:58:10,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:10,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:10,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654071219] [2020-11-09 12:58:10,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:10,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:10,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:10,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:10,384 INFO L87 Difference]: Start difference. First operand 9152 states and 41485 transitions. Second operand 11 states. [2020-11-09 12:58:11,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:11,299 INFO L93 Difference]: Finished difference Result 28330 states and 108377 transitions. [2020-11-09 12:58:11,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:11,300 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:11,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:11,381 INFO L225 Difference]: With dead ends: 28330 [2020-11-09 12:58:11,381 INFO L226 Difference]: Without dead ends: 28308 [2020-11-09 12:58:11,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:11,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28308 states. [2020-11-09 12:58:12,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28308 to 8951. [2020-11-09 12:58:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8951 states. [2020-11-09 12:58:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8951 states to 8951 states and 40581 transitions. [2020-11-09 12:58:12,072 INFO L78 Accepts]: Start accepts. Automaton has 8951 states and 40581 transitions. Word has length 25 [2020-11-09 12:58:12,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:12,072 INFO L481 AbstractCegarLoop]: Abstraction has 8951 states and 40581 transitions. [2020-11-09 12:58:12,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:12,073 INFO L276 IsEmpty]: Start isEmpty. Operand 8951 states and 40581 transitions. [2020-11-09 12:58:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:12,076 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:12,077 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:12,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:12,278 INFO L429 AbstractCegarLoop]: === Iteration 31 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:12,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:12,279 INFO L82 PathProgramCache]: Analyzing trace with hash 865386915, now seen corresponding path program 2 times [2020-11-09 12:58:12,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:12,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467865469] [2020-11-09 12:58:12,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:58:12,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467865469] [2020-11-09 12:58:12,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667866173] [2020-11-09 12:58:12,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:12,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 12:58:12,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:58:12,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:12,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:58:12,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:12,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:12,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007211664] [2020-11-09 12:58:12,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:12,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:12,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:12,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:12,495 INFO L87 Difference]: Start difference. First operand 8951 states and 40581 transitions. Second operand 11 states. [2020-11-09 12:58:13,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:13,621 INFO L93 Difference]: Finished difference Result 28806 states and 110558 transitions. [2020-11-09 12:58:13,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:13,621 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:13,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:13,718 INFO L225 Difference]: With dead ends: 28806 [2020-11-09 12:58:13,719 INFO L226 Difference]: Without dead ends: 28779 [2020-11-09 12:58:13,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:13,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28779 states. [2020-11-09 12:58:14,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28779 to 8841. [2020-11-09 12:58:14,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8841 states. [2020-11-09 12:58:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8841 states to 8841 states and 40058 transitions. [2020-11-09 12:58:14,235 INFO L78 Accepts]: Start accepts. Automaton has 8841 states and 40058 transitions. Word has length 25 [2020-11-09 12:58:14,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:14,235 INFO L481 AbstractCegarLoop]: Abstraction has 8841 states and 40058 transitions. [2020-11-09 12:58:14,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 8841 states and 40058 transitions. [2020-11-09 12:58:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:14,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:14,240 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:14,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2020-11-09 12:58:14,441 INFO L429 AbstractCegarLoop]: === Iteration 32 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:14,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:14,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1242835239, now seen corresponding path program 3 times [2020-11-09 12:58:14,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:14,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081399016] [2020-11-09 12:58:14,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:58:14,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081399016] [2020-11-09 12:58:14,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982297874] [2020-11-09 12:58:14,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:14,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2020-11-09 12:58:14,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:58:14,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:14,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:58:14,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:14,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:14,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318689738] [2020-11-09 12:58:14,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:14,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:14,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:14,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:14,653 INFO L87 Difference]: Start difference. First operand 8841 states and 40058 transitions. Second operand 11 states. [2020-11-09 12:58:15,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:15,760 INFO L93 Difference]: Finished difference Result 28636 states and 109852 transitions. [2020-11-09 12:58:15,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:15,761 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:15,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:15,840 INFO L225 Difference]: With dead ends: 28636 [2020-11-09 12:58:15,840 INFO L226 Difference]: Without dead ends: 28616 [2020-11-09 12:58:15,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:16,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28616 states. [2020-11-09 12:58:16,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28616 to 8710. [2020-11-09 12:58:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8710 states. [2020-11-09 12:58:16,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8710 states to 8710 states and 39454 transitions. [2020-11-09 12:58:16,501 INFO L78 Accepts]: Start accepts. Automaton has 8710 states and 39454 transitions. Word has length 25 [2020-11-09 12:58:16,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:16,501 INFO L481 AbstractCegarLoop]: Abstraction has 8710 states and 39454 transitions. [2020-11-09 12:58:16,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:16,501 INFO L276 IsEmpty]: Start isEmpty. Operand 8710 states and 39454 transitions. [2020-11-09 12:58:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:16,505 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:16,505 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:16,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:16,712 INFO L429 AbstractCegarLoop]: === Iteration 33 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:16,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:16,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1133114986, now seen corresponding path program 3 times [2020-11-09 12:58:16,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:16,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872052231] [2020-11-09 12:58:16,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:58:16,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872052231] [2020-11-09 12:58:16,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145717291] [2020-11-09 12:58:16,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:16,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2020-11-09 12:58:16,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:58:16,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:16,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:58:16,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:16,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:16,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499272977] [2020-11-09 12:58:16,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:16,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:16,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:16,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:16,916 INFO L87 Difference]: Start difference. First operand 8710 states and 39454 transitions. Second operand 11 states. [2020-11-09 12:58:17,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:17,829 INFO L93 Difference]: Finished difference Result 28297 states and 108461 transitions. [2020-11-09 12:58:17,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:17,830 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:17,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:18,151 INFO L225 Difference]: With dead ends: 28297 [2020-11-09 12:58:18,152 INFO L226 Difference]: Without dead ends: 28277 [2020-11-09 12:58:18,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:18,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28277 states. [2020-11-09 12:58:18,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28277 to 8600. [2020-11-09 12:58:18,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8600 states. [2020-11-09 12:58:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8600 states to 8600 states and 38986 transitions. [2020-11-09 12:58:18,633 INFO L78 Accepts]: Start accepts. Automaton has 8600 states and 38986 transitions. Word has length 25 [2020-11-09 12:58:18,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:18,633 INFO L481 AbstractCegarLoop]: Abstraction has 8600 states and 38986 transitions. [2020-11-09 12:58:18,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 8600 states and 38986 transitions. [2020-11-09 12:58:18,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:18,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:18,637 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:18,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2020-11-09 12:58:18,838 INFO L429 AbstractCegarLoop]: === Iteration 34 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:18,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:18,839 INFO L82 PathProgramCache]: Analyzing trace with hash 152652457, now seen corresponding path program 4 times [2020-11-09 12:58:18,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:18,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310118241] [2020-11-09 12:58:18,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:58:18,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310118241] [2020-11-09 12:58:18,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99516178] [2020-11-09 12:58:18,904 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:19,031 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 12:58:19,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:58:19,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:19,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:58:19,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:19,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:19,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916219701] [2020-11-09 12:58:19,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:19,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:19,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:19,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:19,060 INFO L87 Difference]: Start difference. First operand 8600 states and 38986 transitions. Second operand 11 states. [2020-11-09 12:58:20,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:20,210 INFO L93 Difference]: Finished difference Result 28565 states and 109596 transitions. [2020-11-09 12:58:20,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:20,211 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:20,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:20,293 INFO L225 Difference]: With dead ends: 28565 [2020-11-09 12:58:20,293 INFO L226 Difference]: Without dead ends: 28538 [2020-11-09 12:58:20,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:20,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28538 states. [2020-11-09 12:58:20,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28538 to 8563. [2020-11-09 12:58:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8563 states. [2020-11-09 12:58:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8563 states to 8563 states and 38809 transitions. [2020-11-09 12:58:20,973 INFO L78 Accepts]: Start accepts. Automaton has 8563 states and 38809 transitions. Word has length 25 [2020-11-09 12:58:20,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:20,974 INFO L481 AbstractCegarLoop]: Abstraction has 8563 states and 38809 transitions. [2020-11-09 12:58:20,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 8563 states and 38809 transitions. [2020-11-09 12:58:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:20,977 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:20,977 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:21,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:21,178 INFO L429 AbstractCegarLoop]: === Iteration 35 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:21,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:21,179 INFO L82 PathProgramCache]: Analyzing trace with hash 152653170, now seen corresponding path program 4 times [2020-11-09 12:58:21,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:21,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145775008] [2020-11-09 12:58:21,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:58:21,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145775008] [2020-11-09 12:58:21,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901639950] [2020-11-09 12:58:21,243 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:21,349 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 12:58:21,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:58:21,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:58:21,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-09 12:58:21,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:21,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:58:21,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492864831] [2020-11-09 12:58:21,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:58:21,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:21,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:58:21,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:58:21,378 INFO L87 Difference]: Start difference. First operand 8563 states and 38809 transitions. Second operand 11 states. [2020-11-09 12:58:22,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:22,553 INFO L93 Difference]: Finished difference Result 28213 states and 108237 transitions. [2020-11-09 12:58:22,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:22,554 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-11-09 12:58:22,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:22,670 INFO L225 Difference]: With dead ends: 28213 [2020-11-09 12:58:22,670 INFO L226 Difference]: Without dead ends: 28186 [2020-11-09 12:58:22,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:58:23,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28186 states. [2020-11-09 12:58:23,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28186 to 8421. [2020-11-09 12:58:23,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8421 states. [2020-11-09 12:58:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8421 states to 8421 states and 38146 transitions. [2020-11-09 12:58:23,468 INFO L78 Accepts]: Start accepts. Automaton has 8421 states and 38146 transitions. Word has length 25 [2020-11-09 12:58:23,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:23,469 INFO L481 AbstractCegarLoop]: Abstraction has 8421 states and 38146 transitions. [2020-11-09 12:58:23,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:58:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 8421 states and 38146 transitions. [2020-11-09 12:58:23,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:23,472 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:23,472 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:23,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2020-11-09 12:58:23,673 INFO L429 AbstractCegarLoop]: === Iteration 36 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:23,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:23,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1307676527, now seen corresponding path program 5 times [2020-11-09 12:58:23,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:23,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690818819] [2020-11-09 12:58:23,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:58:23,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690818819] [2020-11-09 12:58:23,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:23,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:58:23,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884489003] [2020-11-09 12:58:23,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:58:23,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:23,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:58:23,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:58:23,742 INFO L87 Difference]: Start difference. First operand 8421 states and 38146 transitions. Second operand 9 states. [2020-11-09 12:58:24,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:24,763 INFO L93 Difference]: Finished difference Result 28226 states and 108274 transitions. [2020-11-09 12:58:24,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:24,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 12:58:24,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:24,843 INFO L225 Difference]: With dead ends: 28226 [2020-11-09 12:58:24,843 INFO L226 Difference]: Without dead ends: 28206 [2020-11-09 12:58:24,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:58:25,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28206 states. [2020-11-09 12:58:25,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28206 to 8277. [2020-11-09 12:58:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8277 states. [2020-11-09 12:58:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8277 states to 8277 states and 37487 transitions. [2020-11-09 12:58:25,320 INFO L78 Accepts]: Start accepts. Automaton has 8277 states and 37487 transitions. Word has length 25 [2020-11-09 12:58:25,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:25,321 INFO L481 AbstractCegarLoop]: Abstraction has 8277 states and 37487 transitions. [2020-11-09 12:58:25,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:58:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand 8277 states and 37487 transitions. [2020-11-09 12:58:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:25,326 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:25,326 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:25,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2020-11-09 12:58:25,327 INFO L429 AbstractCegarLoop]: === Iteration 37 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:25,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:25,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1307667289, now seen corresponding path program 5 times [2020-11-09 12:58:25,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:25,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113995475] [2020-11-09 12:58:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:58:25,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113995475] [2020-11-09 12:58:25,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:25,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:58:25,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565448805] [2020-11-09 12:58:25,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:58:25,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:25,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:58:25,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:58:25,388 INFO L87 Difference]: Start difference. First operand 8277 states and 37487 transitions. Second operand 9 states. [2020-11-09 12:58:25,827 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-11-09 12:58:26,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:26,375 INFO L93 Difference]: Finished difference Result 27801 states and 106552 transitions. [2020-11-09 12:58:26,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:26,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 12:58:26,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:26,455 INFO L225 Difference]: With dead ends: 27801 [2020-11-09 12:58:26,455 INFO L226 Difference]: Without dead ends: 27781 [2020-11-09 12:58:26,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:58:26,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27781 states. [2020-11-09 12:58:27,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27781 to 8127. [2020-11-09 12:58:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8127 states. [2020-11-09 12:58:27,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8127 states to 8127 states and 36806 transitions. [2020-11-09 12:58:27,142 INFO L78 Accepts]: Start accepts. Automaton has 8127 states and 36806 transitions. Word has length 25 [2020-11-09 12:58:27,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:27,142 INFO L481 AbstractCegarLoop]: Abstraction has 8127 states and 36806 transitions. [2020-11-09 12:58:27,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:58:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 8127 states and 36806 transitions. [2020-11-09 12:58:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:27,145 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:27,145 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:27,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2020-11-09 12:58:27,146 INFO L429 AbstractCegarLoop]: === Iteration 38 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:27,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:27,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1308361007, now seen corresponding path program 6 times [2020-11-09 12:58:27,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:27,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509510313] [2020-11-09 12:58:27,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:58:27,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509510313] [2020-11-09 12:58:27,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:27,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:58:27,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691950017] [2020-11-09 12:58:27,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:58:27,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:27,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:58:27,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:58:27,219 INFO L87 Difference]: Start difference. First operand 8127 states and 36806 transitions. Second operand 9 states. [2020-11-09 12:58:28,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:28,083 INFO L93 Difference]: Finished difference Result 27548 states and 105447 transitions. [2020-11-09 12:58:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:28,083 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 12:58:28,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:28,167 INFO L225 Difference]: With dead ends: 27548 [2020-11-09 12:58:28,167 INFO L226 Difference]: Without dead ends: 27521 [2020-11-09 12:58:28,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:58:28,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27521 states. [2020-11-09 12:58:28,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27521 to 7841. [2020-11-09 12:58:28,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7841 states. [2020-11-09 12:58:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7841 states to 7841 states and 35578 transitions. [2020-11-09 12:58:28,881 INFO L78 Accepts]: Start accepts. Automaton has 7841 states and 35578 transitions. Word has length 25 [2020-11-09 12:58:28,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:28,882 INFO L481 AbstractCegarLoop]: Abstraction has 7841 states and 35578 transitions. [2020-11-09 12:58:28,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:58:28,882 INFO L276 IsEmpty]: Start isEmpty. Operand 7841 states and 35578 transitions. [2020-11-09 12:58:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:28,886 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:28,886 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:28,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2020-11-09 12:58:28,886 INFO L429 AbstractCegarLoop]: === Iteration 39 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:28,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:28,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1308352482, now seen corresponding path program 5 times [2020-11-09 12:58:28,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:28,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167428707] [2020-11-09 12:58:28,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:28,953 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:58:28,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167428707] [2020-11-09 12:58:28,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:28,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:58:28,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619213499] [2020-11-09 12:58:28,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:58:28,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:28,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:58:28,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:58:28,955 INFO L87 Difference]: Start difference. First operand 7841 states and 35578 transitions. Second operand 9 states. [2020-11-09 12:58:29,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:29,789 INFO L93 Difference]: Finished difference Result 27167 states and 103966 transitions. [2020-11-09 12:58:29,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:29,790 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 12:58:29,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:29,861 INFO L225 Difference]: With dead ends: 27167 [2020-11-09 12:58:29,861 INFO L226 Difference]: Without dead ends: 27147 [2020-11-09 12:58:29,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:58:30,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27147 states. [2020-11-09 12:58:30,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27147 to 7743. [2020-11-09 12:58:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7743 states. [2020-11-09 12:58:30,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7743 states to 7743 states and 35142 transitions. [2020-11-09 12:58:30,509 INFO L78 Accepts]: Start accepts. Automaton has 7743 states and 35142 transitions. Word has length 25 [2020-11-09 12:58:30,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:30,509 INFO L481 AbstractCegarLoop]: Abstraction has 7743 states and 35142 transitions. [2020-11-09 12:58:30,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:58:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 7743 states and 35142 transitions. [2020-11-09 12:58:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:30,512 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:30,512 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:30,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2020-11-09 12:58:30,513 INFO L429 AbstractCegarLoop]: === Iteration 40 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:30,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:30,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1299483289, now seen corresponding path program 6 times [2020-11-09 12:58:30,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:30,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277717302] [2020-11-09 12:58:30,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:58:30,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277717302] [2020-11-09 12:58:30,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:30,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:58:30,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627131565] [2020-11-09 12:58:30,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:58:30,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:30,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:58:30,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:58:30,583 INFO L87 Difference]: Start difference. First operand 7743 states and 35142 transitions. Second operand 9 states. [2020-11-09 12:58:31,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:31,601 INFO L93 Difference]: Finished difference Result 26955 states and 103085 transitions. [2020-11-09 12:58:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:31,602 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 12:58:31,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:31,679 INFO L225 Difference]: With dead ends: 26955 [2020-11-09 12:58:31,679 INFO L226 Difference]: Without dead ends: 26928 [2020-11-09 12:58:31,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:58:31,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26928 states. [2020-11-09 12:58:32,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26928 to 7532. [2020-11-09 12:58:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7532 states. [2020-11-09 12:58:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7532 states to 7532 states and 34256 transitions. [2020-11-09 12:58:32,157 INFO L78 Accepts]: Start accepts. Automaton has 7532 states and 34256 transitions. Word has length 25 [2020-11-09 12:58:32,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:32,157 INFO L481 AbstractCegarLoop]: Abstraction has 7532 states and 34256 transitions. [2020-11-09 12:58:32,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:58:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 7532 states and 34256 transitions. [2020-11-09 12:58:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:32,160 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:32,160 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:32,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2020-11-09 12:58:32,161 INFO L429 AbstractCegarLoop]: === Iteration 41 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:32,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:32,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1299484002, now seen corresponding path program 6 times [2020-11-09 12:58:32,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:32,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626116883] [2020-11-09 12:58:32,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 12:58:32,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626116883] [2020-11-09 12:58:32,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:32,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:58:32,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697197186] [2020-11-09 12:58:32,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:58:32,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:32,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:58:32,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:58:32,237 INFO L87 Difference]: Start difference. First operand 7532 states and 34256 transitions. Second operand 9 states. [2020-11-09 12:58:33,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:33,273 INFO L93 Difference]: Finished difference Result 26632 states and 101828 transitions. [2020-11-09 12:58:33,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:58:33,274 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-09 12:58:33,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:33,356 INFO L225 Difference]: With dead ends: 26632 [2020-11-09 12:58:33,356 INFO L226 Difference]: Without dead ends: 26605 [2020-11-09 12:58:33,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:58:33,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26605 states. [2020-11-09 12:58:33,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26605 to 7269. [2020-11-09 12:58:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7269 states. [2020-11-09 12:58:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7269 states to 7269 states and 33154 transitions. [2020-11-09 12:58:33,823 INFO L78 Accepts]: Start accepts. Automaton has 7269 states and 33154 transitions. Word has length 25 [2020-11-09 12:58:33,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:33,824 INFO L481 AbstractCegarLoop]: Abstraction has 7269 states and 33154 transitions. [2020-11-09 12:58:33,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:58:33,824 INFO L276 IsEmpty]: Start isEmpty. Operand 7269 states and 33154 transitions. [2020-11-09 12:58:33,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-09 12:58:33,827 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:33,827 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:33,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2020-11-09 12:58:33,827 INFO L429 AbstractCegarLoop]: === Iteration 42 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:33,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:33,827 INFO L82 PathProgramCache]: Analyzing trace with hash -717538963, now seen corresponding path program 1 times [2020-11-09 12:58:33,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:33,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181110550] [2020-11-09 12:58:33,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:33,965 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-09 12:58:33,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181110550] [2020-11-09 12:58:33,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:33,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:58:33,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130210468] [2020-11-09 12:58:33,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:58:33,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:33,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:58:33,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:58:33,967 INFO L87 Difference]: Start difference. First operand 7269 states and 33154 transitions. Second operand 5 states. [2020-11-09 12:58:34,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:34,131 INFO L93 Difference]: Finished difference Result 11919 states and 51979 transitions. [2020-11-09 12:58:34,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:58:34,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-09 12:58:34,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:34,169 INFO L225 Difference]: With dead ends: 11919 [2020-11-09 12:58:34,169 INFO L226 Difference]: Without dead ends: 11887 [2020-11-09 12:58:34,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:58:34,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11887 states. [2020-11-09 12:58:34,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11887 to 8560. [2020-11-09 12:58:34,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8560 states. [2020-11-09 12:58:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8560 states to 8560 states and 38495 transitions. [2020-11-09 12:58:34,473 INFO L78 Accepts]: Start accepts. Automaton has 8560 states and 38495 transitions. Word has length 25 [2020-11-09 12:58:34,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:34,473 INFO L481 AbstractCegarLoop]: Abstraction has 8560 states and 38495 transitions. [2020-11-09 12:58:34,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:58:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 8560 states and 38495 transitions. [2020-11-09 12:58:34,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-09 12:58:34,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:34,478 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:34,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2020-11-09 12:58:34,478 INFO L429 AbstractCegarLoop]: === Iteration 43 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:34,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:34,479 INFO L82 PathProgramCache]: Analyzing trace with hash -775462629, now seen corresponding path program 1 times [2020-11-09 12:58:34,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:34,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401573233] [2020-11-09 12:58:34,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:58:34,488 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:58:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 12:58:34,496 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 12:58:34,504 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 12:58:34,504 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 12:58:34,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2020-11-09 12:58:34,505 WARN L386 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 12:58:34,505 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-11-09 12:58:34,531 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,532 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,532 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,532 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,532 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,532 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,532 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,532 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,533 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,533 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,533 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,533 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,533 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,533 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,533 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,533 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,533 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,534 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,534 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,534 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,534 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,534 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,534 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,534 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,534 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,534 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,535 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,535 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,535 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,535 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,535 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,535 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,535 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,535 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,535 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,536 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,536 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,536 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,536 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,536 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,536 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,536 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,536 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,536 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,537 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,537 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,537 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,537 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,537 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,537 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,537 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,537 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,537 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,538 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,539 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,539 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,539 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,539 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,543 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,543 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,543 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,543 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,543 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,543 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,543 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,543 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,543 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,544 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,544 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,544 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,544 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,545 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,549 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,549 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,549 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,549 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,549 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,557 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,557 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,557 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,557 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,557 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,580 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,580 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,582 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,582 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,583 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:58:34,591 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:58:34,591 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-11-09 12:58:34,592 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:58:34,592 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:58:34,592 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:58:34,592 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:58:34,592 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:58:34,592 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:58:34,593 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:58:34,593 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:58:34,595 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:58:34,595 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 188 places, 175 transitions, 470 flow [2020-11-09 12:58:34,595 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 188 places, 175 transitions, 470 flow [2020-11-09 12:58:34,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 175 transitions, 470 flow [2020-11-09 12:58:34,621 INFO L129 PetriNetUnfolder]: 9/180 cut-off events. [2020-11-09 12:58:34,621 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-11-09 12:58:34,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 180 events. 9/180 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 323 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 215. Up to 14 conditions per place. [2020-11-09 12:58:34,631 INFO L116 LiptonReduction]: Number of co-enabled transitions 4212 [2020-11-09 12:58:39,445 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-11-09 12:58:39,636 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-11-09 12:58:41,299 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-11-09 12:58:41,436 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:58:41,747 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-11-09 12:58:41,881 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-09 12:58:41,997 INFO L131 LiptonReduction]: Checked pairs total: 6134 [2020-11-09 12:58:41,998 INFO L133 LiptonReduction]: Total number of compositions: 193 [2020-11-09 12:58:41,998 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 45 transitions, 210 flow [2020-11-09 12:58:43,583 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18584 states. [2020-11-09 12:58:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 18584 states. [2020-11-09 12:58:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 12:58:43,584 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:43,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 12:58:43,584 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:43,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1673091, now seen corresponding path program 1 times [2020-11-09 12:58:43,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:43,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737689462] [2020-11-09 12:58:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:58:43,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737689462] [2020-11-09 12:58:43,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:43,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:58:43,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007409530] [2020-11-09 12:58:43,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:58:43,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:43,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:58:43,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:58:43,603 INFO L87 Difference]: Start difference. First operand 18584 states. Second operand 3 states. [2020-11-09 12:58:43,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:43,806 INFO L93 Difference]: Finished difference Result 17885 states and 92755 transitions. [2020-11-09 12:58:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:58:43,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 12:58:43,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:43,869 INFO L225 Difference]: With dead ends: 17885 [2020-11-09 12:58:43,869 INFO L226 Difference]: Without dead ends: 16791 [2020-11-09 12:58:43,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:58:44,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16791 states. [2020-11-09 12:58:44,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16791 to 16791. [2020-11-09 12:58:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16791 states. [2020-11-09 12:58:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16791 states to 16791 states and 86558 transitions. [2020-11-09 12:58:44,738 INFO L78 Accepts]: Start accepts. Automaton has 16791 states and 86558 transitions. Word has length 3 [2020-11-09 12:58:44,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:44,738 INFO L481 AbstractCegarLoop]: Abstraction has 16791 states and 86558 transitions. [2020-11-09 12:58:44,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:58:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 16791 states and 86558 transitions. [2020-11-09 12:58:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 12:58:44,739 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:44,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:44,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2020-11-09 12:58:44,739 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:44,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1275789991, now seen corresponding path program 1 times [2020-11-09 12:58:44,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:44,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273967503] [2020-11-09 12:58:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:58:44,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273967503] [2020-11-09 12:58:44,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:44,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:58:44,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478915430] [2020-11-09 12:58:44,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:58:44,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:44,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:58:44,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:58:44,764 INFO L87 Difference]: Start difference. First operand 16791 states and 86558 transitions. Second operand 5 states. [2020-11-09 12:58:45,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:45,106 INFO L93 Difference]: Finished difference Result 30985 states and 150574 transitions. [2020-11-09 12:58:45,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:58:45,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 12:58:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:45,229 INFO L225 Difference]: With dead ends: 30985 [2020-11-09 12:58:45,229 INFO L226 Difference]: Without dead ends: 30977 [2020-11-09 12:58:45,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:58:45,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30977 states. [2020-11-09 12:58:46,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30977 to 19868. [2020-11-09 12:58:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19868 states. [2020-11-09 12:58:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19868 states to 19868 states and 103363 transitions. [2020-11-09 12:58:47,278 INFO L78 Accepts]: Start accepts. Automaton has 19868 states and 103363 transitions. Word has length 9 [2020-11-09 12:58:47,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:47,278 INFO L481 AbstractCegarLoop]: Abstraction has 19868 states and 103363 transitions. [2020-11-09 12:58:47,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:58:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 19868 states and 103363 transitions. [2020-11-09 12:58:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 12:58:47,282 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:47,282 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:47,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2020-11-09 12:58:47,282 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:47,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:47,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1409436270, now seen corresponding path program 1 times [2020-11-09 12:58:47,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:47,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038419321] [2020-11-09 12:58:47,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:58:47,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038419321] [2020-11-09 12:58:47,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:47,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:58:47,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674629226] [2020-11-09 12:58:47,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:58:47,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:47,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:58:47,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:58:47,310 INFO L87 Difference]: Start difference. First operand 19868 states and 103363 transitions. Second operand 5 states. [2020-11-09 12:58:47,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:47,648 INFO L93 Difference]: Finished difference Result 36296 states and 178836 transitions. [2020-11-09 12:58:47,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:58:47,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-09 12:58:47,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:47,789 INFO L225 Difference]: With dead ends: 36296 [2020-11-09 12:58:47,789 INFO L226 Difference]: Without dead ends: 36280 [2020-11-09 12:58:47,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:58:48,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36280 states. [2020-11-09 12:58:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36280 to 23806. [2020-11-09 12:58:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23806 states. [2020-11-09 12:58:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23806 states to 23806 states and 125455 transitions. [2020-11-09 12:58:49,809 INFO L78 Accepts]: Start accepts. Automaton has 23806 states and 125455 transitions. Word has length 13 [2020-11-09 12:58:49,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:49,809 INFO L481 AbstractCegarLoop]: Abstraction has 23806 states and 125455 transitions. [2020-11-09 12:58:49,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:58:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 23806 states and 125455 transitions. [2020-11-09 12:58:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:58:49,810 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:49,810 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:49,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2020-11-09 12:58:49,810 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:49,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:49,810 INFO L82 PathProgramCache]: Analyzing trace with hash 431937222, now seen corresponding path program 1 times [2020-11-09 12:58:49,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:49,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076228249] [2020-11-09 12:58:49,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:58:49,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076228249] [2020-11-09 12:58:49,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761538386] [2020-11-09 12:58:49,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:49,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:58:49,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:58:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:58:50,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:58:50,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:58:50,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034546484] [2020-11-09 12:58:50,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:58:50,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:50,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:58:50,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:58:50,021 INFO L87 Difference]: Start difference. First operand 23806 states and 125455 transitions. Second operand 9 states. [2020-11-09 12:58:51,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:51,200 INFO L93 Difference]: Finished difference Result 56720 states and 262685 transitions. [2020-11-09 12:58:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:58:51,201 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-11-09 12:58:51,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:51,478 INFO L225 Difference]: With dead ends: 56720 [2020-11-09 12:58:51,478 INFO L226 Difference]: Without dead ends: 56704 [2020-11-09 12:58:51,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:58:52,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56704 states. [2020-11-09 12:58:53,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56704 to 23629. [2020-11-09 12:58:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23629 states. [2020-11-09 12:58:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23629 states to 23629 states and 124418 transitions. [2020-11-09 12:58:53,687 INFO L78 Accepts]: Start accepts. Automaton has 23629 states and 124418 transitions. Word has length 15 [2020-11-09 12:58:53,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:53,687 INFO L481 AbstractCegarLoop]: Abstraction has 23629 states and 124418 transitions. [2020-11-09 12:58:53,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:58:53,687 INFO L276 IsEmpty]: Start isEmpty. Operand 23629 states and 124418 transitions. [2020-11-09 12:58:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:58:53,688 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:53,688 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:53,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:58:53,889 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:53,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:53,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1553563130, now seen corresponding path program 2 times [2020-11-09 12:58:53,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:53,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710208804] [2020-11-09 12:58:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:58:53,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710208804] [2020-11-09 12:58:53,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:53,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:58:53,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761982583] [2020-11-09 12:58:53,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:58:53,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:53,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:58:53,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:58:53,932 INFO L87 Difference]: Start difference. First operand 23629 states and 124418 transitions. Second operand 7 states. [2020-11-09 12:58:55,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:55,055 INFO L93 Difference]: Finished difference Result 58078 states and 269185 transitions. [2020-11-09 12:58:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:58:55,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 12:58:55,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:55,379 INFO L225 Difference]: With dead ends: 58078 [2020-11-09 12:58:55,379 INFO L226 Difference]: Without dead ends: 58061 [2020-11-09 12:58:55,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:58:56,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58061 states. [2020-11-09 12:58:58,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58061 to 23109. [2020-11-09 12:58:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23109 states. [2020-11-09 12:58:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23109 states to 23109 states and 121651 transitions. [2020-11-09 12:58:58,605 INFO L78 Accepts]: Start accepts. Automaton has 23109 states and 121651 transitions. Word has length 15 [2020-11-09 12:58:58,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:58:58,605 INFO L481 AbstractCegarLoop]: Abstraction has 23109 states and 121651 transitions. [2020-11-09 12:58:58,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:58:58,605 INFO L276 IsEmpty]: Start isEmpty. Operand 23109 states and 121651 transitions. [2020-11-09 12:58:58,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-09 12:58:58,606 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:58:58,606 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:58:58,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2020-11-09 12:58:58,606 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:58:58,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:58:58,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1071943576, now seen corresponding path program 1 times [2020-11-09 12:58:58,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:58:58,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578902503] [2020-11-09 12:58:58,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:58:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:58:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:58:58,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578902503] [2020-11-09 12:58:58,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:58:58,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:58:58,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599883147] [2020-11-09 12:58:58,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:58:58,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:58:58,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:58:58,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:58:58,673 INFO L87 Difference]: Start difference. First operand 23109 states and 121651 transitions. Second operand 5 states. [2020-11-09 12:58:59,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:58:59,172 INFO L93 Difference]: Finished difference Result 41885 states and 209629 transitions. [2020-11-09 12:58:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:58:59,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-09 12:58:59,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:58:59,341 INFO L225 Difference]: With dead ends: 41885 [2020-11-09 12:58:59,341 INFO L226 Difference]: Without dead ends: 41856 [2020-11-09 12:58:59,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:59:00,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41856 states. [2020-11-09 12:59:01,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41856 to 28237. [2020-11-09 12:59:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28237 states. [2020-11-09 12:59:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28237 states to 28237 states and 150261 transitions. [2020-11-09 12:59:01,616 INFO L78 Accepts]: Start accepts. Automaton has 28237 states and 150261 transitions. Word has length 17 [2020-11-09 12:59:01,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:01,616 INFO L481 AbstractCegarLoop]: Abstraction has 28237 states and 150261 transitions. [2020-11-09 12:59:01,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:59:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 28237 states and 150261 transitions. [2020-11-09 12:59:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:59:01,617 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:01,617 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:01,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2020-11-09 12:59:01,618 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:01,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:01,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1190529332, now seen corresponding path program 1 times [2020-11-09 12:59:01,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:01,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468684844] [2020-11-09 12:59:01,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:59:01,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468684844] [2020-11-09 12:59:01,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862977567] [2020-11-09 12:59:01,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:01,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:59:01,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:59:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:59:01,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:59:01,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:59:01,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748300700] [2020-11-09 12:59:01,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:59:01,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:01,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:59:01,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:59:01,818 INFO L87 Difference]: Start difference. First operand 28237 states and 150261 transitions. Second operand 9 states. [2020-11-09 12:59:03,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:03,030 INFO L93 Difference]: Finished difference Result 66831 states and 314874 transitions. [2020-11-09 12:59:03,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:59:03,031 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-11-09 12:59:03,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:03,319 INFO L225 Difference]: With dead ends: 66831 [2020-11-09 12:59:03,320 INFO L226 Difference]: Without dead ends: 66807 [2020-11-09 12:59:03,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:59:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66807 states. [2020-11-09 12:59:05,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66807 to 28673. [2020-11-09 12:59:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28673 states. [2020-11-09 12:59:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28673 states to 28673 states and 152375 transitions. [2020-11-09 12:59:06,530 INFO L78 Accepts]: Start accepts. Automaton has 28673 states and 152375 transitions. Word has length 19 [2020-11-09 12:59:06,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:06,531 INFO L481 AbstractCegarLoop]: Abstraction has 28673 states and 152375 transitions. [2020-11-09 12:59:06,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:59:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 28673 states and 152375 transitions. [2020-11-09 12:59:06,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:59:06,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:06,532 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:06,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:06,748 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:06,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:06,748 INFO L82 PathProgramCache]: Analyzing trace with hash -524480060, now seen corresponding path program 1 times [2020-11-09 12:59:06,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:06,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442885532] [2020-11-09 12:59:06,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:59:06,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442885532] [2020-11-09 12:59:06,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263837927] [2020-11-09 12:59:06,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:06,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 12:59:06,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:59:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:59:06,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:59:06,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-09 12:59:06,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051041602] [2020-11-09 12:59:06,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:59:06,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:06,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:59:06,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:59:06,978 INFO L87 Difference]: Start difference. First operand 28673 states and 152375 transitions. Second operand 9 states. [2020-11-09 12:59:08,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:08,314 INFO L93 Difference]: Finished difference Result 69484 states and 328264 transitions. [2020-11-09 12:59:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:59:08,315 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-11-09 12:59:08,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:08,625 INFO L225 Difference]: With dead ends: 69484 [2020-11-09 12:59:08,626 INFO L226 Difference]: Without dead ends: 69451 [2020-11-09 12:59:08,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-11-09 12:59:09,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69451 states. [2020-11-09 12:59:11,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69451 to 28873. [2020-11-09 12:59:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28873 states. [2020-11-09 12:59:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28873 states to 28873 states and 153454 transitions. [2020-11-09 12:59:11,256 INFO L78 Accepts]: Start accepts. Automaton has 28873 states and 153454 transitions. Word has length 19 [2020-11-09 12:59:11,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:11,256 INFO L481 AbstractCegarLoop]: Abstraction has 28873 states and 153454 transitions. [2020-11-09 12:59:11,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:59:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 28873 states and 153454 transitions. [2020-11-09 12:59:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:59:11,258 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:11,258 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:11,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:11,474 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:11,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:11,475 INFO L82 PathProgramCache]: Analyzing trace with hash -654401980, now seen corresponding path program 2 times [2020-11-09 12:59:11,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:11,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311806616] [2020-11-09 12:59:11,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:59:11,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311806616] [2020-11-09 12:59:11,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:59:11,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:59:11,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670317086] [2020-11-09 12:59:11,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:59:11,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:11,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:59:11,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:59:11,519 INFO L87 Difference]: Start difference. First operand 28873 states and 153454 transitions. Second operand 7 states. [2020-11-09 12:59:12,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:12,910 INFO L93 Difference]: Finished difference Result 70510 states and 333491 transitions. [2020-11-09 12:59:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:59:12,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 12:59:12,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:13,244 INFO L225 Difference]: With dead ends: 70510 [2020-11-09 12:59:13,244 INFO L226 Difference]: Without dead ends: 70477 [2020-11-09 12:59:13,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:59:14,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70477 states. [2020-11-09 12:59:15,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70477 to 28942. [2020-11-09 12:59:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28942 states. [2020-11-09 12:59:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28942 states to 28942 states and 153921 transitions. [2020-11-09 12:59:16,409 INFO L78 Accepts]: Start accepts. Automaton has 28942 states and 153921 transitions. Word has length 19 [2020-11-09 12:59:16,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:16,410 INFO L481 AbstractCegarLoop]: Abstraction has 28942 states and 153921 transitions. [2020-11-09 12:59:16,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:59:16,410 INFO L276 IsEmpty]: Start isEmpty. Operand 28942 states and 153921 transitions. [2020-11-09 12:59:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 12:59:16,411 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:16,411 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:16,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2020-11-09 12:59:16,414 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:16,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:16,415 INFO L82 PathProgramCache]: Analyzing trace with hash -654380404, now seen corresponding path program 2 times [2020-11-09 12:59:16,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:16,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680009950] [2020-11-09 12:59:16,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:59:16,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680009950] [2020-11-09 12:59:16,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:59:16,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:59:16,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401224450] [2020-11-09 12:59:16,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:59:16,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:16,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:59:16,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:59:16,555 INFO L87 Difference]: Start difference. First operand 28942 states and 153921 transitions. Second operand 7 states. [2020-11-09 12:59:17,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:17,367 INFO L93 Difference]: Finished difference Result 70096 states and 331298 transitions. [2020-11-09 12:59:17,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 12:59:17,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-11-09 12:59:17,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:18,289 INFO L225 Difference]: With dead ends: 70096 [2020-11-09 12:59:18,289 INFO L226 Difference]: Without dead ends: 70063 [2020-11-09 12:59:18,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-11-09 12:59:19,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70063 states. [2020-11-09 12:59:20,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70063 to 29094. [2020-11-09 12:59:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29094 states. [2020-11-09 12:59:20,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29094 states to 29094 states and 154883 transitions. [2020-11-09 12:59:20,896 INFO L78 Accepts]: Start accepts. Automaton has 29094 states and 154883 transitions. Word has length 19 [2020-11-09 12:59:20,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:20,897 INFO L481 AbstractCegarLoop]: Abstraction has 29094 states and 154883 transitions. [2020-11-09 12:59:20,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:59:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand 29094 states and 154883 transitions. [2020-11-09 12:59:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:59:20,898 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:20,898 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:20,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2020-11-09 12:59:20,898 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:20,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:20,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1507492872, now seen corresponding path program 1 times [2020-11-09 12:59:20,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:20,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849013162] [2020-11-09 12:59:20,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:59:20,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849013162] [2020-11-09 12:59:20,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124469846] [2020-11-09 12:59:20,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:21,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:59:21,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:59:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:59:21,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:59:21,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:59:21,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228304060] [2020-11-09 12:59:21,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:59:21,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:21,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:59:21,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:59:21,140 INFO L87 Difference]: Start difference. First operand 29094 states and 154883 transitions. Second operand 11 states. [2020-11-09 12:59:23,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:23,160 INFO L93 Difference]: Finished difference Result 100731 states and 448596 transitions. [2020-11-09 12:59:23,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:59:23,161 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:59:23,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:24,199 INFO L225 Difference]: With dead ends: 100731 [2020-11-09 12:59:24,199 INFO L226 Difference]: Without dead ends: 100715 [2020-11-09 12:59:24,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:59:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100715 states. [2020-11-09 12:59:27,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100715 to 28719. [2020-11-09 12:59:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28719 states. [2020-11-09 12:59:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28719 states to 28719 states and 152760 transitions. [2020-11-09 12:59:27,432 INFO L78 Accepts]: Start accepts. Automaton has 28719 states and 152760 transitions. Word has length 21 [2020-11-09 12:59:27,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:27,432 INFO L481 AbstractCegarLoop]: Abstraction has 28719 states and 152760 transitions. [2020-11-09 12:59:27,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:59:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 28719 states and 152760 transitions. [2020-11-09 12:59:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:59:27,433 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:27,433 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:27,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:27,634 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:27,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:27,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1637414792, now seen corresponding path program 2 times [2020-11-09 12:59:27,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:27,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895321052] [2020-11-09 12:59:27,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:59:27,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895321052] [2020-11-09 12:59:27,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195520939] [2020-11-09 12:59:27,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:28,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 12:59:28,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:59:28,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:59:28,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:59:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 12:59:28,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:59:28,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:59:28,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571612935] [2020-11-09 12:59:28,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:59:28,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:28,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:59:28,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:59:28,318 INFO L87 Difference]: Start difference. First operand 28719 states and 152760 transitions. Second operand 11 states. [2020-11-09 12:59:30,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:30,368 INFO L93 Difference]: Finished difference Result 99876 states and 444348 transitions. [2020-11-09 12:59:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:59:30,368 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:59:30,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:30,825 INFO L225 Difference]: With dead ends: 99876 [2020-11-09 12:59:30,825 INFO L226 Difference]: Without dead ends: 99855 [2020-11-09 12:59:30,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:59:32,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99855 states. [2020-11-09 12:59:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99855 to 28343. [2020-11-09 12:59:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28343 states. [2020-11-09 12:59:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28343 states to 28343 states and 150639 transitions. [2020-11-09 12:59:34,377 INFO L78 Accepts]: Start accepts. Automaton has 28343 states and 150639 transitions. Word has length 21 [2020-11-09 12:59:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:34,377 INFO L481 AbstractCegarLoop]: Abstraction has 28343 states and 150639 transitions. [2020-11-09 12:59:34,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:59:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 28343 states and 150639 transitions. [2020-11-09 12:59:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:59:34,378 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:34,378 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:34,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2020-11-09 12:59:34,592 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:34,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:34,593 INFO L82 PathProgramCache]: Analyzing trace with hash 430946104, now seen corresponding path program 3 times [2020-11-09 12:59:34,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:34,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122307882] [2020-11-09 12:59:34,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:59:34,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122307882] [2020-11-09 12:59:34,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413929819] [2020-11-09 12:59:34,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:34,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-11-09 12:59:34,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:59:34,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:59:34,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:59:34,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:59:34,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:59:34,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:59:34,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672894776] [2020-11-09 12:59:34,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:59:34,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:34,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:59:34,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:59:34,850 INFO L87 Difference]: Start difference. First operand 28343 states and 150639 transitions. Second operand 11 states. [2020-11-09 12:59:36,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:36,814 INFO L93 Difference]: Finished difference Result 100071 states and 445291 transitions. [2020-11-09 12:59:36,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:59:36,814 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:59:36,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:37,911 INFO L225 Difference]: With dead ends: 100071 [2020-11-09 12:59:37,911 INFO L226 Difference]: Without dead ends: 100055 [2020-11-09 12:59:37,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:59:39,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100055 states. [2020-11-09 12:59:41,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100055 to 27654. [2020-11-09 12:59:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27654 states. [2020-11-09 12:59:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27654 states to 27654 states and 147080 transitions. [2020-11-09 12:59:41,189 INFO L78 Accepts]: Start accepts. Automaton has 27654 states and 147080 transitions. Word has length 21 [2020-11-09 12:59:41,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:41,189 INFO L481 AbstractCegarLoop]: Abstraction has 27654 states and 147080 transitions. [2020-11-09 12:59:41,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:59:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 27654 states and 147080 transitions. [2020-11-09 12:59:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:59:41,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:41,191 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:41,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:41,399 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:41,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:41,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1514169928, now seen corresponding path program 4 times [2020-11-09 12:59:41,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:41,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558241083] [2020-11-09 12:59:41,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:59:41,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558241083] [2020-11-09 12:59:41,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604598237] [2020-11-09 12:59:41,465 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 12:59:42,005 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 12:59:42,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 12:59:42,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-09 12:59:42,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 12:59:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-09 12:59:42,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 12:59:42,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-11-09 12:59:42,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086510830] [2020-11-09 12:59:42,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 12:59:42,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:42,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 12:59:42,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-11-09 12:59:42,143 INFO L87 Difference]: Start difference. First operand 27654 states and 147080 transitions. Second operand 11 states. [2020-11-09 12:59:44,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:44,470 INFO L93 Difference]: Finished difference Result 99523 states and 442763 transitions. [2020-11-09 12:59:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:59:44,471 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-09 12:59:44,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:45,394 INFO L225 Difference]: With dead ends: 99523 [2020-11-09 12:59:45,395 INFO L226 Difference]: Without dead ends: 99502 [2020-11-09 12:59:45,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2020-11-09 12:59:47,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99502 states. [2020-11-09 12:59:48,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99502 to 27278. [2020-11-09 12:59:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27278 states. [2020-11-09 12:59:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27278 states to 27278 states and 144959 transitions. [2020-11-09 12:59:48,857 INFO L78 Accepts]: Start accepts. Automaton has 27278 states and 144959 transitions. Word has length 21 [2020-11-09 12:59:48,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:48,857 INFO L481 AbstractCegarLoop]: Abstraction has 27278 states and 144959 transitions. [2020-11-09 12:59:48,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 12:59:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27278 states and 144959 transitions. [2020-11-09 12:59:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:59:48,858 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:48,858 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:49,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2020-11-09 12:59:49,060 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:49,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:49,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1815083464, now seen corresponding path program 5 times [2020-11-09 12:59:49,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:49,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028442245] [2020-11-09 12:59:49,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:59:49,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028442245] [2020-11-09 12:59:49,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:59:49,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:59:49,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205441967] [2020-11-09 12:59:49,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:59:49,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:49,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:59:49,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:59:49,128 INFO L87 Difference]: Start difference. First operand 27278 states and 144959 transitions. Second operand 9 states. [2020-11-09 12:59:51,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:51,511 INFO L93 Difference]: Finished difference Result 99710 states and 443686 transitions. [2020-11-09 12:59:51,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:59:51,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 12:59:51,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:51,949 INFO L225 Difference]: With dead ends: 99710 [2020-11-09 12:59:51,949 INFO L226 Difference]: Without dead ends: 99694 [2020-11-09 12:59:51,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:59:53,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99694 states. [2020-11-09 12:59:54,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99694 to 26597. [2020-11-09 12:59:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26597 states. [2020-11-09 12:59:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26597 states to 26597 states and 141420 transitions. [2020-11-09 12:59:55,296 INFO L78 Accepts]: Start accepts. Automaton has 26597 states and 141420 transitions. Word has length 21 [2020-11-09 12:59:55,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:59:55,296 INFO L481 AbstractCegarLoop]: Abstraction has 26597 states and 141420 transitions. [2020-11-09 12:59:55,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 12:59:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 26597 states and 141420 transitions. [2020-11-09 12:59:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 12:59:55,297 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:59:55,297 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:59:55,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2020-11-09 12:59:55,297 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:59:55,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:59:55,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1794370504, now seen corresponding path program 6 times [2020-11-09 12:59:55,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:59:55,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124125078] [2020-11-09 12:59:55,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:59:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:59:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-09 12:59:55,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124125078] [2020-11-09 12:59:55,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:59:55,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 12:59:55,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7181034] [2020-11-09 12:59:55,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 12:59:55,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:59:55,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 12:59:55,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-09 12:59:55,367 INFO L87 Difference]: Start difference. First operand 26597 states and 141420 transitions. Second operand 9 states. [2020-11-09 12:59:57,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:59:57,206 INFO L93 Difference]: Finished difference Result 98863 states and 439458 transitions. [2020-11-09 12:59:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-09 12:59:57,206 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-11-09 12:59:57,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:59:57,610 INFO L225 Difference]: With dead ends: 98863 [2020-11-09 12:59:57,610 INFO L226 Difference]: Without dead ends: 98841 [2020-11-09 12:59:57,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-11-09 12:59:59,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98841 states. [2020-11-09 13:00:00,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98841 to 25744. [2020-11-09 13:00:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25744 states. [2020-11-09 13:00:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25744 states to 25744 states and 137181 transitions. [2020-11-09 13:00:00,900 INFO L78 Accepts]: Start accepts. Automaton has 25744 states and 137181 transitions. Word has length 21 [2020-11-09 13:00:00,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:00:00,900 INFO L481 AbstractCegarLoop]: Abstraction has 25744 states and 137181 transitions. [2020-11-09 13:00:00,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 13:00:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 25744 states and 137181 transitions. [2020-11-09 13:00:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-09 13:00:00,902 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:00:00,902 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:00:00,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2020-11-09 13:00:00,902 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:00:00,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:00:00,903 INFO L82 PathProgramCache]: Analyzing trace with hash -849037537, now seen corresponding path program 1 times [2020-11-09 13:00:00,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:00:00,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594417060] [2020-11-09 13:00:00,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:00:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:00:00,934 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-09 13:00:00,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594417060] [2020-11-09 13:00:00,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:00:00,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 13:00:00,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808947647] [2020-11-09 13:00:00,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 13:00:00,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:00:00,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 13:00:00,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:00:00,936 INFO L87 Difference]: Start difference. First operand 25744 states and 137181 transitions. Second operand 5 states. [2020-11-09 13:00:01,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:00:01,800 INFO L93 Difference]: Finished difference Result 46463 states and 236107 transitions. [2020-11-09 13:00:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 13:00:01,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-11-09 13:00:01,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:00:02,097 INFO L225 Difference]: With dead ends: 46463 [2020-11-09 13:00:02,098 INFO L226 Difference]: Without dead ends: 46417 [2020-11-09 13:00:02,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 13:00:02,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46417 states. Received shutdown request... [2020-11-09 13:00:03,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46417 to 31960. [2020-11-09 13:00:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31960 states. [2020-11-09 13:00:03,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2020-11-09 13:00:03,881 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 13:00:03,884 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 13:00:03,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:00:03 BasicIcfg [2020-11-09 13:00:03,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 13:00:03,885 INFO L168 Benchmark]: Toolchain (without parser) took 203968.53 ms. Allocated memory was 161.5 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 134.8 MB in the beginning and 5.9 GB in the end (delta: -5.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 8.0 GB. [2020-11-09 13:00:03,885 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory was 98.5 MB in the beginning and 98.4 MB in the end (delta: 64.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 13:00:03,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.77 ms. Allocated memory is still 161.5 MB. Free memory was 134.1 MB in the beginning and 130.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. [2020-11-09 13:00:03,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.29 ms. Allocated memory is still 161.5 MB. Free memory was 130.0 MB in the beginning and 128.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 13:00:03,886 INFO L168 Benchmark]: Boogie Preprocessor took 34.62 ms. Allocated memory is still 161.5 MB. Free memory was 128.3 MB in the beginning and 126.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 13:00:03,886 INFO L168 Benchmark]: RCFGBuilder took 571.22 ms. Allocated memory is still 161.5 MB. Free memory was 126.9 MB in the beginning and 108.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-11-09 13:00:03,886 INFO L168 Benchmark]: TraceAbstraction took 202645.30 ms. Allocated memory was 161.5 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 107.3 MB in the beginning and 5.9 GB in the end (delta: -5.8 GB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. [2020-11-09 13:00:03,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory was 98.5 MB in the beginning and 98.4 MB in the end (delta: 64.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 658.77 ms. Allocated memory is still 161.5 MB. Free memory was 134.1 MB in the beginning and 130.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.29 ms. Allocated memory is still 161.5 MB. Free memory was 130.0 MB in the beginning and 128.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.62 ms. Allocated memory is still 161.5 MB. Free memory was 128.3 MB in the beginning and 126.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 571.22 ms. Allocated memory is still 161.5 MB. Free memory was 126.9 MB in the beginning and 108.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 202645.30 ms. Allocated memory was 161.5 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 107.3 MB in the beginning and 5.9 GB in the end (delta: -5.8 GB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 649 VarBasedMoverChecksPositive, 6 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 63 PlacesBefore, 18 PlacesAfterwards, 60 TransitionsBefore, 12 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 60 TotalNumberOfCompositions, 871 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 944 VarBasedMoverChecksPositive, 13 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 13 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 35 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.3s, 88 PlacesBefore, 31 PlacesAfterwards, 83 TransitionsBefore, 21 TransitionsAfterwards, 1428 CoEnabledTransitionPairs, 5 FixpointIterations, 35 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 7 ConcurrentYvCompositions, 5 ChoiceCompositions, 83 TotalNumberOfCompositions, 1665 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1345 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 21 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 52 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.9s, 113 PlacesBefore, 41 PlacesAfterwards, 106 TransitionsBefore, 27 TransitionsAfterwards, 1998 CoEnabledTransitionPairs, 5 FixpointIterations, 50 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 8 ConcurrentYvCompositions, 7 ChoiceCompositions, 111 TotalNumberOfCompositions, 2809 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1893 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 94 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.6s, 138 PlacesBefore, 51 PlacesAfterwards, 129 TransitionsBefore, 33 TransitionsAfterwards, 2652 CoEnabledTransitionPairs, 6 FixpointIterations, 68 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 8 ConcurrentYvCompositions, 9 ChoiceCompositions, 139 TotalNumberOfCompositions, 3837 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2037 VarBasedMoverChecksPositive, 25 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 25 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 81 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.7s, 163 PlacesBefore, 61 PlacesAfterwards, 152 TransitionsBefore, 39 TransitionsAfterwards, 3390 CoEnabledTransitionPairs, 6 FixpointIterations, 81 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 7 ConcurrentYvCompositions, 11 ChoiceCompositions, 164 TotalNumberOfCompositions, 4983 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2632 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 38 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 113 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.4s, 188 PlacesBefore, 71 PlacesAfterwards, 175 TransitionsBefore, 45 TransitionsAfterwards, 4212 CoEnabledTransitionPairs, 5 FixpointIterations, 99 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 25 TrivialYvCompositions, 6 ConcurrentYvCompositions, 13 ChoiceCompositions, 193 TotalNumberOfCompositions, 6134 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 57 locations, 1 error locations. Started 6 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 202.1s, OverallIterations: 92, TraceHistogramMax: 6, AutomataDifference: 72.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 35.4s, HoareTripleCheckerStatistics: 5104 SDtfs, 16920 SDslu, 15797 SDs, 0 SdLazy, 16944 SolverSat, 1502 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2216 GetRequests, 632 SyntacticMatches, 0 SemanticMatches, 1584 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9536 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29094occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 73.8s AutomataMinimizationTime, 87 MinimizatonAttempts, 1370442 StatesRemovedByMinimization, 79 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2427 NumberOfCodeBlocks, 2387 NumberOfCodeBlocksAsserted, 140 NumberOfCheckSat, 2218 ConstructedInterpolants, 0 QuantifiedInterpolants, 133788 SizeOfPredicates, 180 NumberOfNonLiveVariables, 4355 ConjunctsInSsa, 248 ConjunctsInUnsatCore, 121 InterpolantComputations, 53 PerfectInterpolantSequences, 824/1214 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown