/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 09:00:45,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 09:00:45,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 09:00:45,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 09:00:45,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 09:00:45,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 09:00:45,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 09:00:45,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 09:00:45,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 09:00:45,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 09:00:45,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 09:00:45,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 09:00:45,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 09:00:45,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 09:00:45,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 09:00:45,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 09:00:45,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 09:00:45,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 09:00:45,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 09:00:45,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 09:00:45,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 09:00:45,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 09:00:45,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 09:00:45,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 09:00:45,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-05 09:00:45,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-05 09:00:45,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-05 09:00:45,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-05 09:00:45,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-05 09:00:45,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-05 09:00:45,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 09:00:45,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 09:00:45,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 09:00:45,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 09:00:45,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 09:00:45,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 09:00:45,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 09:00:45,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 09:00:45,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 09:00:45,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 09:00:45,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 09:00:45,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-06-05 09:00:45,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 09:00:45,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 09:00:45,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 09:00:45,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 09:00:45,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 09:00:45,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 09:00:45,340 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 09:00:45,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 09:00:45,340 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 09:00:45,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 09:00:45,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 09:00:45,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 09:00:45,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 09:00:45,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 09:00:45,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 09:00:45,341 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 09:00:45,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 09:00:45,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 09:00:45,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 09:00:45,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 09:00:45,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 09:00:45,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 09:00:45,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 09:00:45,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 09:00:45,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 09:00:45,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 09:00:45,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 09:00:45,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 09:00:45,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 09:00:45,343 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 09:00:45,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 09:00:45,343 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 09:00:45,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 09:00:45,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 09:00:45,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 09:00:45,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 09:00:45,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 09:00:45,655 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 09:00:45,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2021-06-05 09:00:45,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8187989/d5a0ee3404a34791918af301c020609d/FLAG64554ac2f [2021-06-05 09:00:46,185 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 09:00:46,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2021-06-05 09:00:46,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8187989/d5a0ee3404a34791918af301c020609d/FLAG64554ac2f [2021-06-05 09:00:46,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8187989/d5a0ee3404a34791918af301c020609d [2021-06-05 09:00:46,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 09:00:46,210 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 09:00:46,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 09:00:46,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 09:00:46,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 09:00:46,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503a58d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46, skipping insertion in model container [2021-06-05 09:00:46,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 09:00:46,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 09:00:46,506 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-05 09:00:46,632 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i[30633,30646] [2021-06-05 09:00:46,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 09:00:46,644 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 09:00:46,664 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-05 09:00:46,682 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i[30633,30646] [2021-06-05 09:00:46,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 09:00:46,747 INFO L208 MainTranslator]: Completed translation [2021-06-05 09:00:46,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46 WrapperNode [2021-06-05 09:00:46,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 09:00:46,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 09:00:46,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 09:00:46,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 09:00:46,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 09:00:46,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 09:00:46,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 09:00:46,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 09:00:46,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (1/1) ... [2021-06-05 09:00:46,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 09:00:46,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 09:00:46,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 09:00:46,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 09:00:46,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (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 [2021-06-05 09:00:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-05 09:00:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-05 09:00:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 09:00:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 09:00:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 09:00:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 09:00:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 09:00:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 09:00:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 09:00:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 09:00:46,863 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 09:00:47,236 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 09:00:47,236 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-05 09:00:47,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 09:00:47 BoogieIcfgContainer [2021-06-05 09:00:47,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 09:00:47,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 09:00:47,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 09:00:47,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 09:00:47,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 09:00:46" (1/3) ... [2021-06-05 09:00:47,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281da2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 09:00:47, skipping insertion in model container [2021-06-05 09:00:47,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 09:00:46" (2/3) ... [2021-06-05 09:00:47,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281da2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 09:00:47, skipping insertion in model container [2021-06-05 09:00:47,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 09:00:47" (3/3) ... [2021-06-05 09:00:47,245 INFO L111 eAbstractionObserver]: Analyzing ICFG 45_monabsex1_vs.i [2021-06-05 09:00:47,250 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 09:00:47,251 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 09:00:47,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 09:00:47,252 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 09:00:47,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,276 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,278 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,278 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,278 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,278 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,279 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,279 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,280 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,280 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,280 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,280 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,280 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,280 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,282 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,282 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,283 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,287 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 09:00:47,305 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 09:00:47,329 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:00:47,329 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:00:47,330 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:00:47,330 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:00:47,330 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:00:47,330 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:00:47,330 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:00:47,330 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 09:00:47,339 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions, 81 flow [2021-06-05 09:00:47,361 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:47,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:47,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 09:00:47,371 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:47,371 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:47,372 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:47,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:47,376 INFO L82 PathProgramCache]: Analyzing trace with hash 43837896, now seen corresponding path program 1 times [2021-06-05 09:00:47,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:47,383 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48295387] [2021-06-05 09:00:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 09:00:47,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:47,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48295387] [2021-06-05 09:00:47,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48295387] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:47,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:47,569 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:00:47,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524079964] [2021-06-05 09:00:47,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:00:47,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:47,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:00:47,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:47,588 INFO L87 Difference]: Start difference. First operand has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:47,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:47,623 INFO L93 Difference]: Finished difference Result 99 states and 161 transitions. [2021-06-05 09:00:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:00:47,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 09:00:47,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:47,629 INFO L225 Difference]: With dead ends: 99 [2021-06-05 09:00:47,629 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 09:00:47,630 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:47,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 09:00:47,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 09:00:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 09:00:47,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-06-05 09:00:47,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:47,649 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 09:00:47,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:47,650 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 09:00:47,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 09:00:47,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 09:00:47,652 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-06-05 09:00:47,654 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 09:00:47,663 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:00:47,663 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:00:47,664 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:00:47,664 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:00:47,664 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:00:47,664 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:00:47,665 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:00:47,665 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 09:00:47,669 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions, 81 flow [2021-06-05 09:00:47,675 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 09:00:47,677 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:47,677 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:47,677 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 09:00:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:47,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1393201750, now seen corresponding path program 1 times [2021-06-05 09:00:47,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:47,678 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003464870] [2021-06-05 09:00:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 09:00:47,725 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 09:00:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 09:00:47,752 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 09:00:47,779 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 09:00:47,779 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 09:00:47,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 09:00:47,780 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-06-05 09:00:47,780 WARN L242 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 09:00:47,780 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-05 09:00:47,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,808 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,809 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,809 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,811 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:47,814 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 09:00:47,816 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 09:00:47,817 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:00:47,818 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:00:47,818 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:00:47,818 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:00:47,818 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:00:47,818 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:00:47,818 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:00:47,818 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 09:00:47,823 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 49 transitions, 110 flow [2021-06-05 09:00:47,886 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:47,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 09:00:47,896 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:47,896 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:47,897 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:47,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:47,898 INFO L82 PathProgramCache]: Analyzing trace with hash -276500888, now seen corresponding path program 1 times [2021-06-05 09:00:47,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:47,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64462349] [2021-06-05 09:00:47,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 09:00:47,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:47,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64462349] [2021-06-05 09:00:47,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64462349] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:47,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:47,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:00:47,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349262225] [2021-06-05 09:00:47,976 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:00:47,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:47,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:00:47,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:47,980 INFO L87 Difference]: Start difference. First operand has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:48,038 INFO L93 Difference]: Finished difference Result 1169 states and 3009 transitions. [2021-06-05 09:00:48,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:00:48,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 09:00:48,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:48,060 INFO L225 Difference]: With dead ends: 1169 [2021-06-05 09:00:48,060 INFO L226 Difference]: Without dead ends: 857 [2021-06-05 09:00:48,061 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:48,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2021-06-05 09:00:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 809. [2021-06-05 09:00:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 806 states have (on average 2.5285359801488836) internal successors, (2038), 808 states have internal predecessors, (2038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 2038 transitions. [2021-06-05 09:00:48,171 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 2038 transitions. Word has length 26 [2021-06-05 09:00:48,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:48,171 INFO L482 AbstractCegarLoop]: Abstraction has 809 states and 2038 transitions. [2021-06-05 09:00:48,171 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 2038 transitions. [2021-06-05 09:00:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 09:00:48,173 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:48,173 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:48,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 09:00:48,174 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:48,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:48,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1212738903, now seen corresponding path program 1 times [2021-06-05 09:00:48,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:48,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961774796] [2021-06-05 09:00:48,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 09:00:48,223 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:48,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961774796] [2021-06-05 09:00:48,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961774796] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:48,224 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:48,224 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:00:48,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967521793] [2021-06-05 09:00:48,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:00:48,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:48,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:00:48,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:48,226 INFO L87 Difference]: Start difference. First operand 809 states and 2038 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:48,245 INFO L93 Difference]: Finished difference Result 769 states and 1891 transitions. [2021-06-05 09:00:48,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:00:48,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 09:00:48,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:48,248 INFO L225 Difference]: With dead ends: 769 [2021-06-05 09:00:48,248 INFO L226 Difference]: Without dead ends: 580 [2021-06-05 09:00:48,249 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:48,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-06-05 09:00:48,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2021-06-05 09:00:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 578 states have (on average 2.4048442906574397) internal successors, (1390), 579 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 1390 transitions. [2021-06-05 09:00:48,264 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 1390 transitions. Word has length 33 [2021-06-05 09:00:48,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:48,264 INFO L482 AbstractCegarLoop]: Abstraction has 580 states and 1390 transitions. [2021-06-05 09:00:48,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1390 transitions. [2021-06-05 09:00:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-06-05 09:00:48,267 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:48,267 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:48,267 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 09:00:48,267 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:48,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:48,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1649243368, now seen corresponding path program 1 times [2021-06-05 09:00:48,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:48,268 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90778578] [2021-06-05 09:00:48,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-05 09:00:48,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:48,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90778578] [2021-06-05 09:00:48,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90778578] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:48,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:48,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:00:48,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275224329] [2021-06-05 09:00:48,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:00:48,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:48,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:00:48,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:00:48,366 INFO L87 Difference]: Start difference. First operand 580 states and 1390 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:48,452 INFO L93 Difference]: Finished difference Result 668 states and 1547 transitions. [2021-06-05 09:00:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:00:48,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-06-05 09:00:48,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:48,455 INFO L225 Difference]: With dead ends: 668 [2021-06-05 09:00:48,455 INFO L226 Difference]: Without dead ends: 486 [2021-06-05 09:00:48,456 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 45.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:00:48,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2021-06-05 09:00:48,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2021-06-05 09:00:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 484 states have (on average 2.3388429752066116) internal successors, (1132), 485 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 1132 transitions. [2021-06-05 09:00:48,469 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 1132 transitions. Word has length 39 [2021-06-05 09:00:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:48,469 INFO L482 AbstractCegarLoop]: Abstraction has 486 states and 1132 transitions. [2021-06-05 09:00:48,469 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1132 transitions. [2021-06-05 09:00:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-06-05 09:00:48,471 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:48,471 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:48,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 09:00:48,472 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:48,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:48,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1552157608, now seen corresponding path program 2 times [2021-06-05 09:00:48,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:48,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479809837] [2021-06-05 09:00:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 09:00:48,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:48,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479809837] [2021-06-05 09:00:48,520 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479809837] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:48,520 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:48,520 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:00:48,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999758778] [2021-06-05 09:00:48,521 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:00:48,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:48,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:00:48,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:00:48,521 INFO L87 Difference]: Start difference. First operand 486 states and 1132 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:48,578 INFO L93 Difference]: Finished difference Result 430 states and 979 transitions. [2021-06-05 09:00:48,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 09:00:48,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-06-05 09:00:48,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:48,585 INFO L225 Difference]: With dead ends: 430 [2021-06-05 09:00:48,586 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 09:00:48,586 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-05 09:00:48,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 09:00:48,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 09:00:48,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 09:00:48,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-06-05 09:00:48,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:48,587 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 09:00:48,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 09:00:48,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 09:00:48,587 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 09:00:48,588 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-06-05 09:00:48,588 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 09:00:48,589 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:00:48,589 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:00:48,589 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:00:48,589 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:00:48,589 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:00:48,589 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:00:48,589 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:00:48,589 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 09:00:48,590 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 49 transitions, 110 flow [2021-06-05 09:00:48,647 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:48,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 09:00:48,654 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:48,654 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:48,655 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 09:00:48,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:48,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1645188757, now seen corresponding path program 1 times [2021-06-05 09:00:48,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:48,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683663334] [2021-06-05 09:00:48,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 09:00:48,678 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 09:00:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 09:00:48,698 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 09:00:48,703 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 09:00:48,703 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 09:00:48,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 09:00:48,704 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-06-05 09:00:48,704 WARN L242 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 09:00:48,704 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-05 09:00:48,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,718 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,719 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,732 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,732 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,738 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:48,746 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 09:00:48,746 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 09:00:48,749 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:00:48,749 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:00:48,749 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:00:48,749 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:00:48,750 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:00:48,750 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:00:48,750 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:00:48,750 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 09:00:48,753 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 60 transitions, 141 flow [2021-06-05 09:00:50,240 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:50,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 09:00:50,289 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:50,289 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:50,289 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:50,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:50,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1894961310, now seen corresponding path program 1 times [2021-06-05 09:00:50,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:50,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376191646] [2021-06-05 09:00:50,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 09:00:50,320 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:50,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376191646] [2021-06-05 09:00:50,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376191646] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:50,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:50,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:00:50,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235580618] [2021-06-05 09:00:50,321 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:00:50,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:50,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:00:50,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:50,353 INFO L87 Difference]: Start difference. First operand has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:50,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:50,570 INFO L93 Difference]: Finished difference Result 14114 states and 49167 transitions. [2021-06-05 09:00:50,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:00:50,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 09:00:50,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:50,760 INFO L225 Difference]: With dead ends: 14114 [2021-06-05 09:00:50,760 INFO L226 Difference]: Without dead ends: 13178 [2021-06-05 09:00:50,762 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:50,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13178 states. [2021-06-05 09:00:51,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13178 to 11249. [2021-06-05 09:00:51,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11249 states, 11242 states have (on average 3.5065824586372534) internal successors, (39421), 11248 states have internal predecessors, (39421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:51,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11249 states to 11249 states and 39421 transitions. [2021-06-05 09:00:51,295 INFO L78 Accepts]: Start accepts. Automaton has 11249 states and 39421 transitions. Word has length 26 [2021-06-05 09:00:51,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:51,295 INFO L482 AbstractCegarLoop]: Abstraction has 11249 states and 39421 transitions. [2021-06-05 09:00:51,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 11249 states and 39421 transitions. [2021-06-05 09:00:51,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 09:00:51,297 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:51,297 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:51,298 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 09:00:51,298 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:51,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:51,298 INFO L82 PathProgramCache]: Analyzing trace with hash 144001721, now seen corresponding path program 1 times [2021-06-05 09:00:51,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:51,299 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600762762] [2021-06-05 09:00:51,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 09:00:51,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:51,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600762762] [2021-06-05 09:00:51,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600762762] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:51,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:51,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:00:51,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818650241] [2021-06-05 09:00:51,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:00:51,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:51,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:00:51,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:51,318 INFO L87 Difference]: Start difference. First operand 11249 states and 39421 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:51,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:51,529 INFO L93 Difference]: Finished difference Result 12794 states and 43933 transitions. [2021-06-05 09:00:51,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:00:51,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 09:00:51,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:51,591 INFO L225 Difference]: With dead ends: 12794 [2021-06-05 09:00:51,591 INFO L226 Difference]: Without dead ends: 12290 [2021-06-05 09:00:51,592 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:51,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12290 states. [2021-06-05 09:00:52,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12290 to 10910. [2021-06-05 09:00:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10910 states, 10903 states have (on average 3.454737228285793) internal successors, (37667), 10909 states have internal predecessors, (37667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:52,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10910 states to 10910 states and 37667 transitions. [2021-06-05 09:00:52,070 INFO L78 Accepts]: Start accepts. Automaton has 10910 states and 37667 transitions. Word has length 33 [2021-06-05 09:00:52,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:52,070 INFO L482 AbstractCegarLoop]: Abstraction has 10910 states and 37667 transitions. [2021-06-05 09:00:52,071 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 10910 states and 37667 transitions. [2021-06-05 09:00:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-06-05 09:00:52,072 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:52,073 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:52,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 09:00:52,073 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:52,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:52,073 INFO L82 PathProgramCache]: Analyzing trace with hash -966309070, now seen corresponding path program 1 times [2021-06-05 09:00:52,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:52,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688283370] [2021-06-05 09:00:52,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 09:00:52,102 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:52,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688283370] [2021-06-05 09:00:52,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688283370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:52,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:52,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:00:52,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722634331] [2021-06-05 09:00:52,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:00:52,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:52,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:00:52,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:00:52,103 INFO L87 Difference]: Start difference. First operand 10910 states and 37667 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:52,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:52,291 INFO L93 Difference]: Finished difference Result 16186 states and 54189 transitions. [2021-06-05 09:00:52,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:00:52,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-06-05 09:00:52,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:52,346 INFO L225 Difference]: With dead ends: 16186 [2021-06-05 09:00:52,346 INFO L226 Difference]: Without dead ends: 15682 [2021-06-05 09:00:52,347 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:00:52,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15682 states. [2021-06-05 09:00:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15682 to 11074. [2021-06-05 09:00:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11074 states, 11067 states have (on average 3.4551368934670643) internal successors, (38238), 11073 states have internal predecessors, (38238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11074 states to 11074 states and 38238 transitions. [2021-06-05 09:00:52,948 INFO L78 Accepts]: Start accepts. Automaton has 11074 states and 38238 transitions. Word has length 39 [2021-06-05 09:00:52,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:52,948 INFO L482 AbstractCegarLoop]: Abstraction has 11074 states and 38238 transitions. [2021-06-05 09:00:52,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 11074 states and 38238 transitions. [2021-06-05 09:00:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-06-05 09:00:52,951 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:52,951 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:52,951 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 09:00:52,952 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:52,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:52,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1388078844, now seen corresponding path program 1 times [2021-06-05 09:00:52,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:52,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836234572] [2021-06-05 09:00:52,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 09:00:52,990 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:52,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836234572] [2021-06-05 09:00:52,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836234572] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:52,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:52,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:00:52,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646045503] [2021-06-05 09:00:52,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:00:52,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:52,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:00:52,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:00:52,992 INFO L87 Difference]: Start difference. First operand 11074 states and 38238 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:53,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:53,132 INFO L93 Difference]: Finished difference Result 15149 states and 50299 transitions. [2021-06-05 09:00:53,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:00:53,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-06-05 09:00:53,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:53,171 INFO L225 Difference]: With dead ends: 15149 [2021-06-05 09:00:53,171 INFO L226 Difference]: Without dead ends: 14045 [2021-06-05 09:00:53,172 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:00:53,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14045 states. [2021-06-05 09:00:53,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14045 to 8869. [2021-06-05 09:00:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8869 states, 8862 states have (on average 3.412096592191379) internal successors, (30238), 8868 states have internal predecessors, (30238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8869 states to 8869 states and 30238 transitions. [2021-06-05 09:00:53,562 INFO L78 Accepts]: Start accepts. Automaton has 8869 states and 30238 transitions. Word has length 39 [2021-06-05 09:00:53,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:53,562 INFO L482 AbstractCegarLoop]: Abstraction has 8869 states and 30238 transitions. [2021-06-05 09:00:53,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 8869 states and 30238 transitions. [2021-06-05 09:00:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 09:00:53,565 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:53,565 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:53,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 09:00:53,565 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:53,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:53,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1216898029, now seen corresponding path program 1 times [2021-06-05 09:00:53,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:53,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094111397] [2021-06-05 09:00:53,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-05 09:00:53,588 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:53,588 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094111397] [2021-06-05 09:00:53,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094111397] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:53,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:53,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:00:53,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831069061] [2021-06-05 09:00:53,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:00:53,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:53,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:00:53,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:53,592 INFO L87 Difference]: Start difference. First operand 8869 states and 30238 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:53,651 INFO L93 Difference]: Finished difference Result 8957 states and 29611 transitions. [2021-06-05 09:00:53,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:00:53,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 09:00:53,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:53,675 INFO L225 Difference]: With dead ends: 8957 [2021-06-05 09:00:53,675 INFO L226 Difference]: Without dead ends: 8342 [2021-06-05 09:00:53,676 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:00:53,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8342 states. [2021-06-05 09:00:53,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8342 to 8150. [2021-06-05 09:00:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8150 states, 8144 states have (on average 3.31078094302554) internal successors, (26963), 8149 states have internal predecessors, (26963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:53,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8150 states to 8150 states and 26963 transitions. [2021-06-05 09:00:53,968 INFO L78 Accepts]: Start accepts. Automaton has 8150 states and 26963 transitions. Word has length 40 [2021-06-05 09:00:53,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:53,970 INFO L482 AbstractCegarLoop]: Abstraction has 8150 states and 26963 transitions. [2021-06-05 09:00:53,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 8150 states and 26963 transitions. [2021-06-05 09:00:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 09:00:53,978 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:53,978 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:53,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-05 09:00:53,978 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:53,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:53,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1369412154, now seen corresponding path program 1 times [2021-06-05 09:00:53,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:53,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018190823] [2021-06-05 09:00:53,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 09:00:54,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:54,020 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018190823] [2021-06-05 09:00:54,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018190823] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:54,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:54,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:00:54,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319011113] [2021-06-05 09:00:54,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:00:54,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:54,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:00:54,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:00:54,021 INFO L87 Difference]: Start difference. First operand 8150 states and 26963 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:54,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:54,124 INFO L93 Difference]: Finished difference Result 11063 states and 34992 transitions. [2021-06-05 09:00:54,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:00:54,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 09:00:54,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:54,149 INFO L225 Difference]: With dead ends: 11063 [2021-06-05 09:00:54,149 INFO L226 Difference]: Without dead ends: 10176 [2021-06-05 09:00:54,150 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:00:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10176 states. [2021-06-05 09:00:54,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10176 to 8196. [2021-06-05 09:00:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8196 states, 8190 states have (on average 3.287179487179487) internal successors, (26922), 8195 states have internal predecessors, (26922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:54,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8196 states to 8196 states and 26922 transitions. [2021-06-05 09:00:54,338 INFO L78 Accepts]: Start accepts. Automaton has 8196 states and 26922 transitions. Word has length 46 [2021-06-05 09:00:54,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:54,338 INFO L482 AbstractCegarLoop]: Abstraction has 8196 states and 26922 transitions. [2021-06-05 09:00:54,339 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 8196 states and 26922 transitions. [2021-06-05 09:00:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 09:00:54,346 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:54,346 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:54,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-05 09:00:54,346 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:54,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:54,347 INFO L82 PathProgramCache]: Analyzing trace with hash -792052594, now seen corresponding path program 1 times [2021-06-05 09:00:54,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:54,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919932828] [2021-06-05 09:00:54,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-05 09:00:54,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:54,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919932828] [2021-06-05 09:00:54,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919932828] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:54,473 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:54,473 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:00:54,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656948664] [2021-06-05 09:00:54,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:00:54,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:54,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:00:54,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:00:54,474 INFO L87 Difference]: Start difference. First operand 8196 states and 26922 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:54,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:54,579 INFO L93 Difference]: Finished difference Result 8996 states and 28598 transitions. [2021-06-05 09:00:54,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:00:54,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 09:00:54,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:54,596 INFO L225 Difference]: With dead ends: 8996 [2021-06-05 09:00:54,596 INFO L226 Difference]: Without dead ends: 7587 [2021-06-05 09:00:54,596 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:00:54,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7587 states. [2021-06-05 09:00:54,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7587 to 5699. [2021-06-05 09:00:54,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5699 states, 5697 states have (on average 3.296998420221169) internal successors, (18783), 5698 states have internal predecessors, (18783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5699 states to 5699 states and 18783 transitions. [2021-06-05 09:00:54,745 INFO L78 Accepts]: Start accepts. Automaton has 5699 states and 18783 transitions. Word has length 46 [2021-06-05 09:00:54,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:54,745 INFO L482 AbstractCegarLoop]: Abstraction has 5699 states and 18783 transitions. [2021-06-05 09:00:54,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 18783 transitions. [2021-06-05 09:00:54,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 09:00:54,751 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:54,751 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:54,751 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 09:00:54,751 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:54,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:54,752 INFO L82 PathProgramCache]: Analyzing trace with hash 612102536, now seen corresponding path program 1 times [2021-06-05 09:00:54,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:54,752 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673171972] [2021-06-05 09:00:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-05 09:00:54,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:54,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673171972] [2021-06-05 09:00:54,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673171972] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:54,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:54,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:00:54,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533347972] [2021-06-05 09:00:54,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:00:54,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:54,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:00:54,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:00:54,801 INFO L87 Difference]: Start difference. First operand 5699 states and 18783 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:54,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:54,882 INFO L93 Difference]: Finished difference Result 6991 states and 22042 transitions. [2021-06-05 09:00:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:00:54,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 09:00:54,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:54,895 INFO L225 Difference]: With dead ends: 6991 [2021-06-05 09:00:54,895 INFO L226 Difference]: Without dead ends: 4919 [2021-06-05 09:00:54,895 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:00:54,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4919 states. [2021-06-05 09:00:55,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4919 to 4759. [2021-06-05 09:00:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 4757 states have (on average 3.2282951439983183) internal successors, (15357), 4758 states have internal predecessors, (15357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 15357 transitions. [2021-06-05 09:00:55,060 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 15357 transitions. Word has length 46 [2021-06-05 09:00:55,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:55,061 INFO L482 AbstractCegarLoop]: Abstraction has 4759 states and 15357 transitions. [2021-06-05 09:00:55,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 15357 transitions. [2021-06-05 09:00:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 09:00:55,065 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:55,065 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:55,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 09:00:55,065 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:00:55,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:55,066 INFO L82 PathProgramCache]: Analyzing trace with hash -2085575278, now seen corresponding path program 1 times [2021-06-05 09:00:55,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:55,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905100659] [2021-06-05 09:00:55,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:00:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-05 09:00:55,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:00:55,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905100659] [2021-06-05 09:00:55,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905100659] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:00:55,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:00:55,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:00:55,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837602142] [2021-06-05 09:00:55,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:00:55,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:00:55,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:00:55,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:00:55,096 INFO L87 Difference]: Start difference. First operand 4759 states and 15357 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:55,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:00:55,155 INFO L93 Difference]: Finished difference Result 4343 states and 13689 transitions. [2021-06-05 09:00:55,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:00:55,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 09:00:55,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:00:55,156 INFO L225 Difference]: With dead ends: 4343 [2021-06-05 09:00:55,156 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 09:00:55,157 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:00:55,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 09:00:55,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 09:00:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 09:00:55,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2021-06-05 09:00:55,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:00:55,157 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 09:00:55,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 09:00:55,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 09:00:55,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 09:00:55,158 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-06-05 09:00:55,158 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 09:00:55,158 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:00:55,159 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:00:55,159 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:00:55,159 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:00:55,159 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:00:55,159 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:00:55,159 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:00:55,159 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 09:00:55,160 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 60 transitions, 141 flow [2021-06-05 09:00:56,159 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:00:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 09:00:56,186 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:00:56,186 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:00:56,187 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 09:00:56,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:00:56,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1641029641, now seen corresponding path program 1 times [2021-06-05 09:00:56,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:00:56,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787058420] [2021-06-05 09:00:56,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:00:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 09:00:56,195 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 09:00:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 09:00:56,201 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 09:00:56,207 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 09:00:56,207 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 09:00:56,207 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-05 09:00:56,207 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-06-05 09:00:56,207 WARN L242 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 09:00:56,207 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-06-05 09:00:56,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,231 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,234 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:00:56,238 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 09:00:56,239 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-05 09:00:56,242 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:00:56,242 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:00:56,242 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:00:56,242 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:00:56,242 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:00:56,242 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:00:56,242 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:00:56,242 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 09:00:56,244 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 71 transitions, 174 flow [2021-06-05 09:02:50,452 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:02:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:02:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-06-05 09:02:50,755 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:02:50,755 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:02:50,756 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:02:50,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:02:50,756 INFO L82 PathProgramCache]: Analyzing trace with hash -869836546, now seen corresponding path program 1 times [2021-06-05 09:02:50,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:02:50,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152090725] [2021-06-05 09:02:50,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:02:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:02:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 09:02:50,774 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:02:50,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152090725] [2021-06-05 09:02:50,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152090725] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:02:50,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:02:50,774 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:02:50,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447717861] [2021-06-05 09:02:50,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:02:50,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:02:50,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:02:50,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:02:51,002 INFO L87 Difference]: Start difference. First operand has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:02:52,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:02:52,914 INFO L93 Difference]: Finished difference Result 163559 states and 718185 transitions. [2021-06-05 09:02:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:02:52,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-06-05 09:02:52,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:02:53,946 INFO L225 Difference]: With dead ends: 163559 [2021-06-05 09:02:53,947 INFO L226 Difference]: Without dead ends: 160751 [2021-06-05 09:02:53,947 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:02:56,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160751 states. [2021-06-05 09:02:59,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160751 to 132749. [2021-06-05 09:03:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132749 states, 132734 states have (on average 4.433604050205674) internal successors, (588490), 132748 states have internal predecessors, (588490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132749 states to 132749 states and 588490 transitions. [2021-06-05 09:03:01,101 INFO L78 Accepts]: Start accepts. Automaton has 132749 states and 588490 transitions. Word has length 26 [2021-06-05 09:03:01,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:03:01,101 INFO L482 AbstractCegarLoop]: Abstraction has 132749 states and 588490 transitions. [2021-06-05 09:03:01,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 132749 states and 588490 transitions. [2021-06-05 09:03:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-06-05 09:03:01,102 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:03:01,102 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:03:01,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-05 09:03:01,102 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:03:01,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:03:01,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1281161078, now seen corresponding path program 1 times [2021-06-05 09:03:01,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:03:01,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312180673] [2021-06-05 09:03:01,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:03:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:03:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 09:03:01,120 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:03:01,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312180673] [2021-06-05 09:03:01,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312180673] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:03:01,122 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:03:01,122 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:03:01,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919639540] [2021-06-05 09:03:01,122 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:03:01,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:03:01,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:03:01,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:03:01,123 INFO L87 Difference]: Start difference. First operand 132749 states and 588490 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:03,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:03:03,064 INFO L93 Difference]: Finished difference Result 166553 states and 728831 transitions. [2021-06-05 09:03:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:03:03,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-06-05 09:03:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:03:03,835 INFO L225 Difference]: With dead ends: 166553 [2021-06-05 09:03:03,835 INFO L226 Difference]: Without dead ends: 165041 [2021-06-05 09:03:03,835 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:03:06,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165041 states. [2021-06-05 09:03:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165041 to 137417. [2021-06-05 09:03:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137417 states, 137402 states have (on average 4.4193679859099575) internal successors, (607230), 137416 states have internal predecessors, (607230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137417 states to 137417 states and 607230 transitions. [2021-06-05 09:03:10,648 INFO L78 Accepts]: Start accepts. Automaton has 137417 states and 607230 transitions. Word has length 33 [2021-06-05 09:03:10,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:03:10,648 INFO L482 AbstractCegarLoop]: Abstraction has 137417 states and 607230 transitions. [2021-06-05 09:03:10,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 137417 states and 607230 transitions. [2021-06-05 09:03:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-06-05 09:03:10,649 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:03:10,649 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:03:10,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-05 09:03:10,650 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:03:10,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:03:10,650 INFO L82 PathProgramCache]: Analyzing trace with hash -460430915, now seen corresponding path program 1 times [2021-06-05 09:03:10,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:03:10,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962099882] [2021-06-05 09:03:10,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:03:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:03:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 09:03:10,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:03:10,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962099882] [2021-06-05 09:03:10,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962099882] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:03:10,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:03:10,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:03:10,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536803276] [2021-06-05 09:03:10,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:03:10,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:03:10,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:03:10,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:03:10,675 INFO L87 Difference]: Start difference. First operand 137417 states and 607230 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:13,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:03:13,322 INFO L93 Difference]: Finished difference Result 226858 states and 976630 transitions. [2021-06-05 09:03:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:03:13,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-06-05 09:03:13,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:03:14,282 INFO L225 Difference]: With dead ends: 226858 [2021-06-05 09:03:14,282 INFO L226 Difference]: Without dead ends: 225346 [2021-06-05 09:03:14,282 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 21.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:03:17,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225346 states. [2021-06-05 09:03:20,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225346 to 142762. [2021-06-05 09:03:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142762 states, 142747 states have (on average 4.441564446188011) internal successors, (634020), 142761 states have internal predecessors, (634020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142762 states to 142762 states and 634020 transitions. [2021-06-05 09:03:22,108 INFO L78 Accepts]: Start accepts. Automaton has 142762 states and 634020 transitions. Word has length 39 [2021-06-05 09:03:22,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:03:22,108 INFO L482 AbstractCegarLoop]: Abstraction has 142762 states and 634020 transitions. [2021-06-05 09:03:22,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 142762 states and 634020 transitions. [2021-06-05 09:03:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-06-05 09:03:22,113 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:03:22,113 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:03:22,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-05 09:03:22,114 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:03:22,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:03:22,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1191389783, now seen corresponding path program 1 times [2021-06-05 09:03:22,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:03:22,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570319343] [2021-06-05 09:03:22,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:03:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:03:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 09:03:22,140 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:03:22,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570319343] [2021-06-05 09:03:22,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570319343] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:03:22,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:03:22,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:03:22,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725425905] [2021-06-05 09:03:22,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:03:22,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:03:22,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:03:22,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:03:22,141 INFO L87 Difference]: Start difference. First operand 142762 states and 634020 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:24,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:03:24,120 INFO L93 Difference]: Finished difference Result 221855 states and 950513 transitions. [2021-06-05 09:03:24,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:03:24,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-06-05 09:03:24,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:03:25,670 INFO L225 Difference]: With dead ends: 221855 [2021-06-05 09:03:25,670 INFO L226 Difference]: Without dead ends: 218543 [2021-06-05 09:03:25,670 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:03:28,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218543 states. [2021-06-05 09:03:31,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218543 to 128119. [2021-06-05 09:03:31,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128119 states, 128104 states have (on average 4.398785361893461) internal successors, (563502), 128118 states have internal predecessors, (563502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128119 states to 128119 states and 563502 transitions. [2021-06-05 09:03:32,643 INFO L78 Accepts]: Start accepts. Automaton has 128119 states and 563502 transitions. Word has length 39 [2021-06-05 09:03:32,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:03:32,643 INFO L482 AbstractCegarLoop]: Abstraction has 128119 states and 563502 transitions. [2021-06-05 09:03:32,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 128119 states and 563502 transitions. [2021-06-05 09:03:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-06-05 09:03:32,646 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:03:32,646 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:03:32,646 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-05 09:03:32,646 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:03:32,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:03:32,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1835340023, now seen corresponding path program 1 times [2021-06-05 09:03:32,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:03:32,647 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147121265] [2021-06-05 09:03:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:03:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:03:32,707 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-05 09:03:32,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:03:32,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147121265] [2021-06-05 09:03:32,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147121265] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:03:32,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:03:32,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:03:32,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746713200] [2021-06-05 09:03:32,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:03:32,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:03:32,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:03:32,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:03:32,709 INFO L87 Difference]: Start difference. First operand 128119 states and 563502 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:34,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:03:34,330 INFO L93 Difference]: Finished difference Result 154204 states and 664737 transitions. [2021-06-05 09:03:34,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:03:34,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-06-05 09:03:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:03:34,886 INFO L225 Difference]: With dead ends: 154204 [2021-06-05 09:03:34,886 INFO L226 Difference]: Without dead ends: 152548 [2021-06-05 09:03:34,887 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:03:37,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152548 states. [2021-06-05 09:03:39,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152548 to 130828. [2021-06-05 09:03:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130828 states, 130813 states have (on average 4.360881563758953) internal successors, (570460), 130827 states have internal predecessors, (570460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:40,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130828 states to 130828 states and 570460 transitions. [2021-06-05 09:03:40,554 INFO L78 Accepts]: Start accepts. Automaton has 130828 states and 570460 transitions. Word has length 40 [2021-06-05 09:03:40,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:03:40,554 INFO L482 AbstractCegarLoop]: Abstraction has 130828 states and 570460 transitions. [2021-06-05 09:03:40,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 130828 states and 570460 transitions. [2021-06-05 09:03:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 09:03:40,559 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:03:40,560 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:03:40,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-05 09:03:40,560 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:03:40,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:03:40,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1668208832, now seen corresponding path program 1 times [2021-06-05 09:03:40,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:03:40,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491727625] [2021-06-05 09:03:40,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:03:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:03:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-05 09:03:40,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:03:40,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491727625] [2021-06-05 09:03:40,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491727625] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:03:40,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:03:40,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:03:40,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750923484] [2021-06-05 09:03:40,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:03:40,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:03:40,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:03:40,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:03:40,587 INFO L87 Difference]: Start difference. First operand 130828 states and 570460 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:43,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:03:43,269 INFO L93 Difference]: Finished difference Result 215030 states and 910386 transitions. [2021-06-05 09:03:43,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:03:43,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 09:03:43,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:03:45,168 INFO L225 Difference]: With dead ends: 215030 [2021-06-05 09:03:45,168 INFO L226 Difference]: Without dead ends: 212558 [2021-06-05 09:03:45,168 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:03:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212558 states. [2021-06-05 09:03:51,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212558 to 136198. [2021-06-05 09:03:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136198 states, 136183 states have (on average 4.374819177136647) internal successors, (595776), 136197 states have internal predecessors, (595776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136198 states to 136198 states and 595776 transitions. [2021-06-05 09:03:51,876 INFO L78 Accepts]: Start accepts. Automaton has 136198 states and 595776 transitions. Word has length 46 [2021-06-05 09:03:51,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:03:51,876 INFO L482 AbstractCegarLoop]: Abstraction has 136198 states and 595776 transitions. [2021-06-05 09:03:51,876 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:51,876 INFO L276 IsEmpty]: Start isEmpty. Operand 136198 states and 595776 transitions. [2021-06-05 09:03:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 09:03:51,882 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:03:51,882 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:03:51,882 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-05 09:03:51,882 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:03:51,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:03:51,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1834651864, now seen corresponding path program 1 times [2021-06-05 09:03:51,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:03:51,883 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191200469] [2021-06-05 09:03:51,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:03:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:03:51,917 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-05 09:03:51,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:03:51,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191200469] [2021-06-05 09:03:51,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191200469] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:03:51,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:03:51,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:03:51,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637659637] [2021-06-05 09:03:51,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:03:51,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:03:51,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:03:51,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:03:51,919 INFO L87 Difference]: Start difference. First operand 136198 states and 595776 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:03:53,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:03:53,803 INFO L93 Difference]: Finished difference Result 200790 states and 846983 transitions. [2021-06-05 09:03:53,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:03:53,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 09:03:53,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:03:55,263 INFO L225 Difference]: With dead ends: 200790 [2021-06-05 09:03:55,264 INFO L226 Difference]: Without dead ends: 196878 [2021-06-05 09:03:55,264 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 31.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:03:57,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196878 states. [2021-06-05 09:04:00,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196878 to 119243. [2021-06-05 09:04:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119243 states, 119228 states have (on average 4.338301405710068) internal successors, (517247), 119242 states have internal predecessors, (517247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119243 states to 119243 states and 517247 transitions. [2021-06-05 09:04:01,436 INFO L78 Accepts]: Start accepts. Automaton has 119243 states and 517247 transitions. Word has length 46 [2021-06-05 09:04:01,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:01,436 INFO L482 AbstractCegarLoop]: Abstraction has 119243 states and 517247 transitions. [2021-06-05 09:04:01,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 119243 states and 517247 transitions. [2021-06-05 09:04:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 09:04:01,444 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:04:01,444 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:04:01,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-05 09:04:01,444 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:04:01,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:04:01,444 INFO L82 PathProgramCache]: Analyzing trace with hash 61549578, now seen corresponding path program 1 times [2021-06-05 09:04:01,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:04:01,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979119260] [2021-06-05 09:04:01,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:04:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:04:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 09:04:01,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:04:01,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979119260] [2021-06-05 09:04:01,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979119260] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:04:01,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:04:01,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:04:01,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059327117] [2021-06-05 09:04:01,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:04:01,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:04:01,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:04:01,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:04:01,484 INFO L87 Difference]: Start difference. First operand 119243 states and 517247 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:03,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:04:03,087 INFO L93 Difference]: Finished difference Result 192361 states and 808651 transitions. [2021-06-05 09:04:03,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:04:03,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 09:04:03,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:04:03,776 INFO L225 Difference]: With dead ends: 192361 [2021-06-05 09:04:03,776 INFO L226 Difference]: Without dead ends: 186649 [2021-06-05 09:04:03,776 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 29.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:04:06,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186649 states. [2021-06-05 09:04:08,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186649 to 121139. [2021-06-05 09:04:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121139 states, 121124 states have (on average 4.3344754136257055) internal successors, (525009), 121138 states have internal predecessors, (525009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:10,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121139 states to 121139 states and 525009 transitions. [2021-06-05 09:04:10,203 INFO L78 Accepts]: Start accepts. Automaton has 121139 states and 525009 transitions. Word has length 46 [2021-06-05 09:04:10,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:10,203 INFO L482 AbstractCegarLoop]: Abstraction has 121139 states and 525009 transitions. [2021-06-05 09:04:10,203 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 121139 states and 525009 transitions. [2021-06-05 09:04:10,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 09:04:10,211 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:04:10,211 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:04:10,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-05 09:04:10,211 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:04:10,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:04:10,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1061720438, now seen corresponding path program 2 times [2021-06-05 09:04:10,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:04:10,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35497106] [2021-06-05 09:04:10,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:04:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:04:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-05 09:04:10,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:04:10,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35497106] [2021-06-05 09:04:10,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35497106] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:04:10,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:04:10,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:04:10,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806904992] [2021-06-05 09:04:10,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:04:10,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:04:10,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:04:10,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:04:10,236 INFO L87 Difference]: Start difference. First operand 121139 states and 525009 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:12,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:04:12,060 INFO L93 Difference]: Finished difference Result 180666 states and 755767 transitions. [2021-06-05 09:04:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 09:04:12,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 09:04:12,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:04:12,759 INFO L225 Difference]: With dead ends: 180666 [2021-06-05 09:04:12,759 INFO L226 Difference]: Without dead ends: 169290 [2021-06-05 09:04:12,759 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:04:14,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169290 states. [2021-06-05 09:04:17,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169290 to 98269. [2021-06-05 09:04:17,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98269 states, 98254 states have (on average 4.279500071243919) internal successors, (420478), 98268 states have internal predecessors, (420478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:17,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98269 states to 98269 states and 420478 transitions. [2021-06-05 09:04:17,522 INFO L78 Accepts]: Start accepts. Automaton has 98269 states and 420478 transitions. Word has length 46 [2021-06-05 09:04:17,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:17,522 INFO L482 AbstractCegarLoop]: Abstraction has 98269 states and 420478 transitions. [2021-06-05 09:04:17,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 98269 states and 420478 transitions. [2021-06-05 09:04:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-06-05 09:04:17,530 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:04:17,530 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:04:17,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-05 09:04:17,530 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:04:17,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:04:17,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1824171467, now seen corresponding path program 1 times [2021-06-05 09:04:17,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:04:17,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742596941] [2021-06-05 09:04:17,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:04:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:04:17,560 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-05 09:04:17,560 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:04:17,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742596941] [2021-06-05 09:04:17,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742596941] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:04:17,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:04:17,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-05 09:04:17,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187621973] [2021-06-05 09:04:17,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 09:04:17,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:04:17,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 09:04:17,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:04:17,561 INFO L87 Difference]: Start difference. First operand 98269 states and 420478 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:19,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:04:19,083 INFO L93 Difference]: Finished difference Result 104325 states and 431425 transitions. [2021-06-05 09:04:19,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 09:04:19,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-06-05 09:04:19,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:04:19,454 INFO L225 Difference]: With dead ends: 104325 [2021-06-05 09:04:19,454 INFO L226 Difference]: Without dead ends: 102336 [2021-06-05 09:04:19,455 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 09:04:20,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102336 states. [2021-06-05 09:04:22,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102336 to 97440. [2021-06-05 09:04:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97440 states, 97426 states have (on average 4.176072095744463) internal successors, (406858), 97439 states have internal predecessors, (406858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97440 states to 97440 states and 406858 transitions. [2021-06-05 09:04:23,517 INFO L78 Accepts]: Start accepts. Automaton has 97440 states and 406858 transitions. Word has length 47 [2021-06-05 09:04:23,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:23,518 INFO L482 AbstractCegarLoop]: Abstraction has 97440 states and 406858 transitions. [2021-06-05 09:04:23,518 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:23,518 INFO L276 IsEmpty]: Start isEmpty. Operand 97440 states and 406858 transitions. [2021-06-05 09:04:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-06-05 09:04:23,550 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:04:23,550 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:04:23,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-05 09:04:23,551 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:04:23,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:04:23,551 INFO L82 PathProgramCache]: Analyzing trace with hash -30849860, now seen corresponding path program 1 times [2021-06-05 09:04:23,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:04:23,551 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528422306] [2021-06-05 09:04:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:04:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:04:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-05 09:04:23,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:04:23,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528422306] [2021-06-05 09:04:23,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528422306] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:04:23,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:04:23,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:04:23,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776358962] [2021-06-05 09:04:23,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:04:23,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:04:23,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:04:23,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:04:23,580 INFO L87 Difference]: Start difference. First operand 97440 states and 406858 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:25,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:04:25,102 INFO L93 Difference]: Finished difference Result 149939 states and 605330 transitions. [2021-06-05 09:04:25,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:04:25,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-06-05 09:04:25,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:04:25,610 INFO L225 Difference]: With dead ends: 149939 [2021-06-05 09:04:25,610 INFO L226 Difference]: Without dead ends: 145806 [2021-06-05 09:04:25,610 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:04:27,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145806 states. [2021-06-05 09:04:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145806 to 101562. [2021-06-05 09:04:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101562 states, 101548 states have (on average 4.1725981801709535) internal successors, (423719), 101561 states have internal predecessors, (423719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101562 states to 101562 states and 423719 transitions. [2021-06-05 09:04:30,672 INFO L78 Accepts]: Start accepts. Automaton has 101562 states and 423719 transitions. Word has length 53 [2021-06-05 09:04:30,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:30,672 INFO L482 AbstractCegarLoop]: Abstraction has 101562 states and 423719 transitions. [2021-06-05 09:04:30,672 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 101562 states and 423719 transitions. [2021-06-05 09:04:30,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-06-05 09:04:30,711 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:04:30,711 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:04:30,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-05 09:04:30,711 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:04:30,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:04:30,712 INFO L82 PathProgramCache]: Analyzing trace with hash 17705876, now seen corresponding path program 1 times [2021-06-05 09:04:30,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:04:30,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249512588] [2021-06-05 09:04:30,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:04:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:04:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-05 09:04:30,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:04:30,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249512588] [2021-06-05 09:04:30,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249512588] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:04:30,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:04:30,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:04:30,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058025006] [2021-06-05 09:04:30,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:04:30,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:04:30,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:04:30,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:04:30,808 INFO L87 Difference]: Start difference. First operand 101562 states and 423719 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:32,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:04:32,901 INFO L93 Difference]: Finished difference Result 122298 states and 493151 transitions. [2021-06-05 09:04:32,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:04:32,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-06-05 09:04:32,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:04:33,682 INFO L225 Difference]: With dead ends: 122298 [2021-06-05 09:04:33,682 INFO L226 Difference]: Without dead ends: 116359 [2021-06-05 09:04:33,699 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:04:35,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116359 states. [2021-06-05 09:04:37,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116359 to 81847. [2021-06-05 09:04:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81847 states, 81841 states have (on average 4.192458547671705) internal successors, (343115), 81846 states have internal predecessors, (343115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:37,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81847 states to 81847 states and 343115 transitions. [2021-06-05 09:04:37,761 INFO L78 Accepts]: Start accepts. Automaton has 81847 states and 343115 transitions. Word has length 53 [2021-06-05 09:04:37,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:37,761 INFO L482 AbstractCegarLoop]: Abstraction has 81847 states and 343115 transitions. [2021-06-05 09:04:37,761 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 81847 states and 343115 transitions. [2021-06-05 09:04:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-06-05 09:04:37,793 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:04:37,793 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:04:37,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-05 09:04:37,793 INFO L430 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:04:37,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:04:37,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1285265402, now seen corresponding path program 1 times [2021-06-05 09:04:37,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:04:37,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063988454] [2021-06-05 09:04:37,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:04:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:04:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-05 09:04:37,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:04:37,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063988454] [2021-06-05 09:04:37,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063988454] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:04:37,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:04:37,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:04:37,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648322000] [2021-06-05 09:04:37,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:04:37,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:04:37,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:04:37,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:04:37,825 INFO L87 Difference]: Start difference. First operand 81847 states and 343115 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:39,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:04:39,303 INFO L93 Difference]: Finished difference Result 120217 states and 484461 transitions. [2021-06-05 09:04:39,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:04:39,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-06-05 09:04:39,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:04:39,641 INFO L225 Difference]: With dead ends: 120217 [2021-06-05 09:04:39,642 INFO L226 Difference]: Without dead ends: 111195 [2021-06-05 09:04:39,642 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 61.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:04:41,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111195 states. [2021-06-05 09:04:42,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111195 to 82275. [2021-06-05 09:04:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82275 states, 82269 states have (on average 4.166757831017759) internal successors, (342795), 82274 states have internal predecessors, (342795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:43,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82275 states to 82275 states and 342795 transitions. [2021-06-05 09:04:43,490 INFO L78 Accepts]: Start accepts. Automaton has 82275 states and 342795 transitions. Word has length 53 [2021-06-05 09:04:43,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:43,490 INFO L482 AbstractCegarLoop]: Abstraction has 82275 states and 342795 transitions. [2021-06-05 09:04:43,491 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand 82275 states and 342795 transitions. [2021-06-05 09:04:43,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-06-05 09:04:43,525 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:04:43,525 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:04:43,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-05 09:04:43,525 INFO L430 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:04:43,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:04:43,525 INFO L82 PathProgramCache]: Analyzing trace with hash 698871410, now seen corresponding path program 1 times [2021-06-05 09:04:43,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:04:43,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972284608] [2021-06-05 09:04:43,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:04:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:04:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-05 09:04:43,551 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:04:43,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972284608] [2021-06-05 09:04:43,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972284608] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:04:43,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:04:43,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:04:43,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113231161] [2021-06-05 09:04:43,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:04:43,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:04:43,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:04:43,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:04:43,552 INFO L87 Difference]: Start difference. First operand 82275 states and 342795 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:44,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:04:44,063 INFO L93 Difference]: Finished difference Result 95227 states and 383704 transitions. [2021-06-05 09:04:44,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:04:44,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-06-05 09:04:44,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:04:44,279 INFO L225 Difference]: With dead ends: 95227 [2021-06-05 09:04:44,279 INFO L226 Difference]: Without dead ends: 80225 [2021-06-05 09:04:44,279 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:04:45,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80225 states. [2021-06-05 09:04:46,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80225 to 56889. [2021-06-05 09:04:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56889 states, 56887 states have (on average 4.17726369820873) internal successors, (237632), 56888 states have internal predecessors, (237632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56889 states to 56889 states and 237632 transitions. [2021-06-05 09:04:46,809 INFO L78 Accepts]: Start accepts. Automaton has 56889 states and 237632 transitions. Word has length 53 [2021-06-05 09:04:46,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:46,809 INFO L482 AbstractCegarLoop]: Abstraction has 56889 states and 237632 transitions. [2021-06-05 09:04:46,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 56889 states and 237632 transitions. [2021-06-05 09:04:46,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-06-05 09:04:46,835 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:04:46,835 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:04:46,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-05 09:04:46,835 INFO L430 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:04:46,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:04:46,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1088762734, now seen corresponding path program 1 times [2021-06-05 09:04:46,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:04:46,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627120463] [2021-06-05 09:04:46,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:04:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:04:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-05 09:04:46,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:04:46,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627120463] [2021-06-05 09:04:46,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627120463] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:04:46,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:04:46,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:04:46,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103229351] [2021-06-05 09:04:46,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:04:46,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:04:46,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:04:46,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:04:46,868 INFO L87 Difference]: Start difference. First operand 56889 states and 237632 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:47,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:04:47,282 INFO L93 Difference]: Finished difference Result 72281 states and 289192 transitions. [2021-06-05 09:04:47,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:04:47,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-06-05 09:04:47,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:04:48,046 INFO L225 Difference]: With dead ends: 72281 [2021-06-05 09:04:48,052 INFO L226 Difference]: Without dead ends: 50049 [2021-06-05 09:04:48,053 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:04:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50049 states. [2021-06-05 09:04:49,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50049 to 47489. [2021-06-05 09:04:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47489 states, 47487 states have (on average 4.104533872428243) internal successors, (194912), 47488 states have internal predecessors, (194912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47489 states to 47489 states and 194912 transitions. [2021-06-05 09:04:49,705 INFO L78 Accepts]: Start accepts. Automaton has 47489 states and 194912 transitions. Word has length 53 [2021-06-05 09:04:49,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:49,705 INFO L482 AbstractCegarLoop]: Abstraction has 47489 states and 194912 transitions. [2021-06-05 09:04:49,705 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 47489 states and 194912 transitions. [2021-06-05 09:04:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-06-05 09:04:49,729 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:04:49,730 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:04:49,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-05 09:04:49,730 INFO L430 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 09:04:49,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:04:49,730 INFO L82 PathProgramCache]: Analyzing trace with hash -630422282, now seen corresponding path program 1 times [2021-06-05 09:04:49,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:04:49,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304433630] [2021-06-05 09:04:49,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:04:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 09:04:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-05 09:04:49,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 09:04:49,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304433630] [2021-06-05 09:04:49,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304433630] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 09:04:49,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 09:04:49,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 09:04:49,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242970294] [2021-06-05 09:04:49,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 09:04:49,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 09:04:49,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 09:04:49,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 09:04:49,755 INFO L87 Difference]: Start difference. First operand 47489 states and 194912 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:50,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 09:04:50,026 INFO L93 Difference]: Finished difference Result 44673 states and 179360 transitions. [2021-06-05 09:04:50,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-05 09:04:50,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-06-05 09:04:50,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 09:04:50,027 INFO L225 Difference]: With dead ends: 44673 [2021-06-05 09:04:50,027 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 09:04:50,027 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 09:04:50,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 09:04:50,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 09:04:50,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 09:04:50,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2021-06-05 09:04:50,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 09:04:50,028 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 09:04:50,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:04:50,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 09:04:50,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 09:04:50,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-05 09:04:50,028 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-06-05 09:04:50,028 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 09:04:50,029 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:04:50,029 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:04:50,029 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:04:50,029 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:04:50,029 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:04:50,029 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:04:50,029 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:04:50,029 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 09:04:50,030 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 71 transitions, 174 flow [2021-06-05 09:06:39,661 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:06:39,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 09:06:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-06-05 09:06:39,961 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 09:06:39,961 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 09:06:39,961 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 09:06:39,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 09:06:39,961 INFO L82 PathProgramCache]: Analyzing trace with hash 452819435, now seen corresponding path program 1 times [2021-06-05 09:06:39,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 09:06:39,962 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216496142] [2021-06-05 09:06:39,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 09:06:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 09:06:39,968 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 09:06:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 09:06:39,973 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 09:06:39,992 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 09:06:39,992 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 09:06:39,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-05 09:06:39,992 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-06-05 09:06:39,993 WARN L242 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 09:06:39,993 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-06-05 09:06:40,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 09:06:40,021 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 09:06:40,021 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-05 09:06:40,022 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:06:40,022 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:06:40,022 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:06:40,022 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:06:40,022 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:06:40,022 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:06:40,022 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:06:40,022 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 09:06:40,023 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 82 transitions, 209 flow Received shutdown request... [2021-06-05 09:14:05,569 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 09:14:05,569 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was TIMEOUT (1/2) [2021-06-05 09:14:05,569 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 09:14:05,570 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 09:14:05,570 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 09:14:05,570 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 09:14:05,570 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 09:14:05,570 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 09:14:05,570 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 09:14:05,570 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 09:14:05,570 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 09:14:05,571 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 82 transitions, 209 flow [2021-06-05 09:14:05,571 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 09:14:05,571 INFO L315 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (2/2) [2021-06-05 09:14:05,572 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 5 thread instances [2021-06-05 09:14:05,574 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 09:14:05,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 09:14:05 BasicIcfg [2021-06-05 09:14:05,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 09:14:05,575 INFO L168 Benchmark]: Toolchain (without parser) took 799365.67 ms. Allocated memory was 371.2 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 333.1 MB in the beginning and 8.9 GB in the end (delta: -8.5 GB). Peak memory consumption was 7.1 GB. Max. memory is 16.0 GB. [2021-06-05 09:14:05,576 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 371.2 MB. Free memory was 351.4 MB in the beginning and 351.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 09:14:05,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.55 ms. Allocated memory is still 371.2 MB. Free memory was 332.9 MB in the beginning and 333.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-05 09:14:05,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.73 ms. Allocated memory is still 371.2 MB. Free memory was 333.9 MB in the beginning and 331.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 09:14:05,576 INFO L168 Benchmark]: Boogie Preprocessor took 19.00 ms. Allocated memory is still 371.2 MB. Free memory was 331.8 MB in the beginning and 330.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 09:14:05,576 INFO L168 Benchmark]: RCFGBuilder took 426.72 ms. Allocated memory is still 371.2 MB. Free memory was 330.8 MB in the beginning and 309.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-06-05 09:14:05,576 INFO L168 Benchmark]: TraceAbstraction took 798335.02 ms. Allocated memory was 371.2 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 309.8 MB in the beginning and 8.9 GB in the end (delta: -8.5 GB). Peak memory consumption was 7.1 GB. Max. memory is 16.0 GB. [2021-06-05 09:14:05,577 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 371.2 MB. Free memory was 351.4 MB in the beginning and 351.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 536.55 ms. Allocated memory is still 371.2 MB. Free memory was 332.9 MB in the beginning and 333.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 42.73 ms. Allocated memory is still 371.2 MB. Free memory was 333.9 MB in the beginning and 331.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.00 ms. Allocated memory is still 371.2 MB. Free memory was 331.8 MB in the beginning and 330.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 426.72 ms. Allocated memory is still 371.2 MB. Free memory was 330.8 MB in the beginning and 309.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 798335.02 ms. Allocated memory was 371.2 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 309.8 MB in the beginning and 8.9 GB in the end (delta: -8.5 GB). Peak memory consumption was 7.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 710]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 92 places, 82 transitions, 209 flow. Already constructed 465895 states. Currently 75204 states in worklist.. - TimeoutResultAtElement [Line: 718]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 92 places, 82 transitions, 209 flow. Already constructed 2 states. Currently 1 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 49 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 324.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.0ms, AutomataDifference: 56.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 31.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 37 SDtfs, 10 SDslu, 22 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.8ms SsaConstructionTime, 36.7ms SatisfiabilityAnalysisTime, 64.3ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 770.1ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 15.7ms, AutomataDifference: 263.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 67.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 254 SDtfs, 146 SDslu, 305 SDs, 0 SdLazy, 87 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 84.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 85.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1729occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 137.5ms AutomataMinimizationTime, 4 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.9ms SsaConstructionTime, 45.5ms SatisfiabilityAnalysisTime, 159.8ms InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 15/15 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 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 71 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6409.0ms, OverallIterations: 9, TraceHistogramMax: 3, EmptinessCheckTime: 81.2ms, AutomataDifference: 1630.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1490.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 996 SDtfs, 646 SDslu, 1331 SDs, 0 SdLazy, 375 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 225.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 158.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18911occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2794.5ms AutomataMinimizationTime, 9 MinimizatonAttempts, 17313 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.4ms SsaConstructionTime, 35.2ms SatisfiabilityAnalysisTime, 212.6ms InterpolantComputationTime, 361 NumberOfCodeBlocks, 361 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 100/100 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 - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 82 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 233786.2ms, OverallIterations: 16, TraceHistogramMax: 4, EmptinessCheckTime: 531.7ms, AutomataDifference: 38749.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 114210.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2521 SDtfs, 1657 SDslu, 3464 SDs, 0 SdLazy, 964 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 716.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 364.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=207913occurred in iteration=0, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 79713.7ms AutomataMinimizationTime, 16 MinimizatonAttempts, 679348 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.4ms SsaConstructionTime, 80.7ms SatisfiabilityAnalysisTime, 365.0ms InterpolantComputationTime, 726 NumberOfCodeBlocks, 726 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 996 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 352/352 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 - StatisticsResult: Ultimate Automizer benchmark data with 5 thread instances CFG has 7 procedures, 93 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 445547.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 445546.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 49 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 116.5ms, OverallIterations: 1, TraceHistogramMax: 2, EmptinessCheckTime: 1.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.6ms SsaConstructionTime, 30.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 2 thread instances CFG has 4 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 115.0ms, OverallIterations: 1, TraceHistogramMax: 3, EmptinessCheckTime: 6.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 58.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1729occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.9ms SsaConstructionTime, 15.4ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 3 thread instances CFG has 5 procedures, 71 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1048.7ms, OverallIterations: 1, TraceHistogramMax: 4, EmptinessCheckTime: 26.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1000.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18911occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9ms SsaConstructionTime, 4.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 4 thread instances CFG has 6 procedures, 82 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 109963.7ms, OverallIterations: 1, TraceHistogramMax: 5, EmptinessCheckTime: 299.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 109632.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=207913occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8ms SsaConstructionTime, 4.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 5 thread instances CFG has 7 procedures, 93 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 1.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown