/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 15:46:25,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 15:46:25,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 15:46:25,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 15:46:25,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 15:46:25,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 15:46:25,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 15:46:25,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 15:46:25,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 15:46:25,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 15:46:25,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 15:46:25,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 15:46:25,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 15:46:25,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 15:46:25,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 15:46:25,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 15:46:25,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 15:46:25,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 15:46:25,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 15:46:25,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 15:46:25,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 15:46:25,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 15:46:25,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 15:46:25,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 15:46:25,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-20 15:46:25,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 15:46:25,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 15:46:25,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 15:46:25,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 15:46:25,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 15:46:25,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 15:46:25,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 15:46:25,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 15:46:25,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 15:46:25,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 15:46:25,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 15:46:25,667 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.epf [2021-01-20 15:46:25,726 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 15:46:25,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 15:46:25,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 15:46:25,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 15:46:25,731 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 15:46:25,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 15:46:25,732 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 15:46:25,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 15:46:25,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 15:46:25,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 15:46:25,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 15:46:25,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 15:46:25,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 15:46:25,736 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 15:46:25,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 15:46:25,736 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 15:46:25,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 15:46:25,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 15:46:25,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 15:46:25,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 15:46:25,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 15:46:25,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 15:46:25,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 15:46:25,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 15:46:25,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 15:46:25,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 15:46:25,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 15:46:25,740 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 15:46:25,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 15:46:25,741 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 15:46:25,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 15:46:26,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 15:46:26,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 15:46:26,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 15:46:26,223 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 15:46:26,224 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 15:46:26,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2021-01-20 15:46:26,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/860665e78/be18437c32234d8ea92b7fc63e567c06/FLAG4f76b4c89 [2021-01-20 15:46:27,021 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 15:46:27,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-1.i [2021-01-20 15:46:27,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/860665e78/be18437c32234d8ea92b7fc63e567c06/FLAG4f76b4c89 [2021-01-20 15:46:27,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/860665e78/be18437c32234d8ea92b7fc63e567c06 [2021-01-20 15:46:27,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 15:46:27,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 15:46:27,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 15:46:27,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 15:46:27,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 15:46:27,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 03:46:27" (1/1) ... [2021-01-20 15:46:27,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aff7c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:27, skipping insertion in model container [2021-01-20 15:46:27,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 03:46:27" (1/1) ... [2021-01-20 15:46:27,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 15:46:27,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 15:46:27,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 15:46:27,957 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 15:46:27,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 15:46:28,092 INFO L208 MainTranslator]: Completed translation [2021-01-20 15:46:28,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28 WrapperNode [2021-01-20 15:46:28,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 15:46:28,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 15:46:28,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 15:46:28,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 15:46:28,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (1/1) ... [2021-01-20 15:46:28,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (1/1) ... [2021-01-20 15:46:28,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 15:46:28,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 15:46:28,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 15:46:28,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 15:46:28,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (1/1) ... [2021-01-20 15:46:28,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (1/1) ... [2021-01-20 15:46:28,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (1/1) ... [2021-01-20 15:46:28,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (1/1) ... [2021-01-20 15:46:28,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (1/1) ... [2021-01-20 15:46:28,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (1/1) ... [2021-01-20 15:46:28,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (1/1) ... [2021-01-20 15:46:28,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 15:46:28,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 15:46:28,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 15:46:28,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 15:46:28,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (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 [2021-01-20 15:46:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-01-20 15:46:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-01-20 15:46:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-20 15:46:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-20 15:46:28,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 15:46:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 15:46:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 15:46:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 15:46:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 15:46:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 15:46:28,272 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 15:46:28,767 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 15:46:28,767 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2021-01-20 15:46:28,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 03:46:28 BoogieIcfgContainer [2021-01-20 15:46:28,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 15:46:28,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 15:46:28,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 15:46:28,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 15:46:28,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 03:46:27" (1/3) ... [2021-01-20 15:46:28,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457c200c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 03:46:28, skipping insertion in model container [2021-01-20 15:46:28,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 03:46:28" (2/3) ... [2021-01-20 15:46:28,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457c200c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 03:46:28, skipping insertion in model container [2021-01-20 15:46:28,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 03:46:28" (3/3) ... [2021-01-20 15:46:28,778 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2021-01-20 15:46:28,794 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 15:46:28,795 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 15:46:28,799 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-20 15:46:28,800 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 15:46:28,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,834 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,839 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,840 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,841 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,843 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,844 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,845 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:28,859 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 15:46:28,872 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-20 15:46:28,896 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 15:46:28,896 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 15:46:28,896 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 15:46:28,896 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 15:46:28,896 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 15:46:28,897 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 15:46:28,897 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 15:46:28,897 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 15:46:28,908 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 67 transitions, 144 flow [2021-01-20 15:46:28,999 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1444 states, 1438 states have (on average 2.7983310152990266) internal successors, (4024), 1443 states have internal predecessors, (4024), 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) [2021-01-20 15:46:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 1444 states, 1438 states have (on average 2.7983310152990266) internal successors, (4024), 1443 states have internal predecessors, (4024), 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) [2021-01-20 15:46:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-20 15:46:29,017 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:46:29,018 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:46:29,019 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 15:46:29,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:46:29,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1312429080, now seen corresponding path program 1 times [2021-01-20 15:46:29,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:46:29,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030411711] [2021-01-20 15:46:29,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:46:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:46:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:46:29,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030411711] [2021-01-20 15:46:29,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 15:46:29,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-20 15:46:29,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566622141] [2021-01-20 15:46:29,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-20 15:46:29,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:46:29,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-20 15:46:29,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-20 15:46:29,608 INFO L87 Difference]: Start difference. First operand has 1444 states, 1438 states have (on average 2.7983310152990266) internal successors, (4024), 1443 states have internal predecessors, (4024), 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 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-01-20 15:46:30,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:46:30,150 INFO L93 Difference]: Finished difference Result 1078 states and 2632 transitions. [2021-01-20 15:46:30,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-20 15:46:30,153 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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 34 [2021-01-20 15:46:30,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:46:30,180 INFO L225 Difference]: With dead ends: 1078 [2021-01-20 15:46:30,180 INFO L226 Difference]: Without dead ends: 749 [2021-01-20 15:46:30,182 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-01-20 15:46:30,182 INFO L78 Accepts]: Start accepts. Automaton has 749 states. Word has length 34 [2021-01-20 15:46:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:46:30,184 INFO L481 AbstractCegarLoop]: Abstraction has 749 states. [2021-01-20 15:46:30,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-01-20 15:46:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states. [2021-01-20 15:46:30,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-01-20 15:46:30,195 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:46:30,196 INFO L504 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2021-01-20 15:46:30,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 15:46:30,199 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 15:46:30,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:46:30,200 INFO L82 PathProgramCache]: Analyzing trace with hash 2142807111, now seen corresponding path program 1 times [2021-01-20 15:46:30,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:46:30,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204182597] [2021-01-20 15:46:30,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:46:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 15:46:30,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 15:46:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 15:46:30,321 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 15:46:30,367 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-20 15:46:30,367 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-20 15:46:30,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 15:46:30,372 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-20 15:46:30,372 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-20 15:46:30,399 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,399 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,400 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,400 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,400 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,400 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,401 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,401 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,401 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,401 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,401 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,402 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,402 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,402 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,402 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,403 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,403 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,403 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,403 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,404 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,404 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,405 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,407 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,407 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,408 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,408 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,410 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,410 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,414 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,414 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,418 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,419 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,424 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,424 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,424 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,424 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:30,437 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 15:46:30,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-20 15:46:30,440 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 15:46:30,440 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 15:46:30,440 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 15:46:30,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 15:46:30,441 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 15:46:30,441 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 15:46:30,441 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 15:46:30,441 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 15:46:30,445 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 88 transitions, 200 flow [2021-01-20 15:46:31,039 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8854 states, 8846 states have (on average 3.606940990278092) internal successors, (31907), 8853 states have internal predecessors, (31907), 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) [2021-01-20 15:46:31,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 8854 states, 8846 states have (on average 3.606940990278092) internal successors, (31907), 8853 states have internal predecessors, (31907), 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) [2021-01-20 15:46:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-20 15:46:31,074 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:46:31,074 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:46:31,074 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 15:46:31,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:46:31,075 INFO L82 PathProgramCache]: Analyzing trace with hash -441217620, now seen corresponding path program 1 times [2021-01-20 15:46:31,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:46:31,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715195655] [2021-01-20 15:46:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:46:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:46:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:46:31,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715195655] [2021-01-20 15:46:31,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 15:46:31,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-20 15:46:31,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849648439] [2021-01-20 15:46:31,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-20 15:46:31,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:46:31,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-20 15:46:31,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-20 15:46:31,342 INFO L87 Difference]: Start difference. First operand has 8854 states, 8846 states have (on average 3.606940990278092) internal successors, (31907), 8853 states have internal predecessors, (31907), 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 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-01-20 15:46:32,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:46:32,009 INFO L93 Difference]: Finished difference Result 7930 states and 25784 transitions. [2021-01-20 15:46:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-20 15:46:32,011 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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 34 [2021-01-20 15:46:32,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:46:32,087 INFO L225 Difference]: With dead ends: 7930 [2021-01-20 15:46:32,087 INFO L226 Difference]: Without dead ends: 5841 [2021-01-20 15:46:32,089 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-01-20 15:46:32,090 INFO L78 Accepts]: Start accepts. Automaton has 5841 states. Word has length 34 [2021-01-20 15:46:32,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:46:32,092 INFO L481 AbstractCegarLoop]: Abstraction has 5841 states. [2021-01-20 15:46:32,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-01-20 15:46:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5841 states. [2021-01-20 15:46:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-20 15:46:32,108 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:46:32,108 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:46:32,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 15:46:32,108 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 15:46:32,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:46:32,112 INFO L82 PathProgramCache]: Analyzing trace with hash -683212731, now seen corresponding path program 1 times [2021-01-20 15:46:32,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:46:32,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68468384] [2021-01-20 15:46:32,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:46:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:46:32,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:46:32,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68468384] [2021-01-20 15:46:32,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 15:46:32,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 15:46:32,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855208184] [2021-01-20 15:46:32,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 15:46:32,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:46:32,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 15:46:32,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-01-20 15:46:32,606 INFO L87 Difference]: Start difference. First operand 5841 states. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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) [2021-01-20 15:46:33,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:46:33,751 INFO L93 Difference]: Finished difference Result 9781 states and 30328 transitions. [2021-01-20 15:46:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-01-20 15:46:33,752 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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 43 [2021-01-20 15:46:33,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:46:33,827 INFO L225 Difference]: With dead ends: 9781 [2021-01-20 15:46:33,827 INFO L226 Difference]: Without dead ends: 9189 [2021-01-20 15:46:33,828 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=373, Invalid=1033, Unknown=0, NotChecked=0, Total=1406 [2021-01-20 15:46:33,829 INFO L78 Accepts]: Start accepts. Automaton has 9189 states. Word has length 43 [2021-01-20 15:46:33,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:46:33,829 INFO L481 AbstractCegarLoop]: Abstraction has 9189 states. [2021-01-20 15:46:33,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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) [2021-01-20 15:46:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 9189 states. [2021-01-20 15:46:33,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-20 15:46:33,834 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:46:33,834 INFO L504 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-01-20 15:46:33,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 15:46:33,835 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 15:46:33,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:46:33,835 INFO L82 PathProgramCache]: Analyzing trace with hash 539286505, now seen corresponding path program 1 times [2021-01-20 15:46:33,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:46:33,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247770944] [2021-01-20 15:46:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:46:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 15:46:33,871 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 15:46:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 15:46:33,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 15:46:33,932 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-20 15:46:33,932 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-20 15:46:33,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 15:46:33,932 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-20 15:46:33,933 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-01-20 15:46:33,951 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,951 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,951 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:33,988 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 15:46:33,988 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-20 15:46:33,989 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 15:46:33,990 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 15:46:33,990 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 15:46:33,990 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 15:46:33,990 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 15:46:33,990 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 15:46:33,990 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 15:46:33,990 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 15:46:33,993 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 109 transitions, 260 flow [2021-01-20 15:46:41,757 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 53314 states, 53304 states have (on average 4.4322189704337385) internal successors, (236255), 53313 states have internal predecessors, (236255), 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) [2021-01-20 15:46:41,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 53314 states, 53304 states have (on average 4.4322189704337385) internal successors, (236255), 53313 states have internal predecessors, (236255), 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) [2021-01-20 15:46:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-20 15:46:41,836 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:46:41,836 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:46:41,837 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 15:46:41,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:46:41,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1114678560, now seen corresponding path program 1 times [2021-01-20 15:46:41,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:46:41,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116752100] [2021-01-20 15:46:41,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:46:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:46:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:46:42,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116752100] [2021-01-20 15:46:42,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 15:46:42,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-20 15:46:42,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414388242] [2021-01-20 15:46:42,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-20 15:46:42,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:46:42,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-20 15:46:42,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-20 15:46:42,155 INFO L87 Difference]: Start difference. First operand has 53314 states, 53304 states have (on average 4.4322189704337385) internal successors, (236255), 53313 states have internal predecessors, (236255), 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 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-01-20 15:46:43,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:46:43,062 INFO L93 Difference]: Finished difference Result 53578 states and 218720 transitions. [2021-01-20 15:46:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-20 15:46:43,062 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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 34 [2021-01-20 15:46:43,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:46:43,326 INFO L225 Difference]: With dead ends: 53578 [2021-01-20 15:46:43,326 INFO L226 Difference]: Without dead ends: 40417 [2021-01-20 15:46:43,327 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-01-20 15:46:43,327 INFO L78 Accepts]: Start accepts. Automaton has 40417 states. Word has length 34 [2021-01-20 15:46:43,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:46:43,330 INFO L481 AbstractCegarLoop]: Abstraction has 40417 states. [2021-01-20 15:46:43,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-01-20 15:46:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 40417 states. [2021-01-20 15:46:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-20 15:46:43,335 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:46:43,335 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:46:43,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 15:46:43,336 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 15:46:43,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:46:43,337 INFO L82 PathProgramCache]: Analyzing trace with hash -181486449, now seen corresponding path program 1 times [2021-01-20 15:46:43,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:46:43,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457554585] [2021-01-20 15:46:43,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:46:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:46:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:46:44,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457554585] [2021-01-20 15:46:44,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 15:46:44,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 15:46:44,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038369893] [2021-01-20 15:46:44,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 15:46:44,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:46:44,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 15:46:44,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-01-20 15:46:44,075 INFO L87 Difference]: Start difference. First operand 40417 states. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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) [2021-01-20 15:46:45,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:46:45,897 INFO L93 Difference]: Finished difference Result 79671 states and 310293 transitions. [2021-01-20 15:46:45,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-01-20 15:46:45,898 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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 43 [2021-01-20 15:46:45,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:46:46,684 INFO L225 Difference]: With dead ends: 79671 [2021-01-20 15:46:46,685 INFO L226 Difference]: Without dead ends: 76263 [2021-01-20 15:46:46,687 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=373, Invalid=1033, Unknown=0, NotChecked=0, Total=1406 [2021-01-20 15:46:46,687 INFO L78 Accepts]: Start accepts. Automaton has 76263 states. Word has length 43 [2021-01-20 15:46:46,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:46:46,688 INFO L481 AbstractCegarLoop]: Abstraction has 76263 states. [2021-01-20 15:46:46,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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) [2021-01-20 15:46:46,689 INFO L276 IsEmpty]: Start isEmpty. Operand 76263 states. [2021-01-20 15:46:46,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-20 15:46:46,706 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:46:46,707 INFO L504 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:46:46,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 15:46:46,708 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 15:46:46,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:46:46,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1975644567, now seen corresponding path program 1 times [2021-01-20 15:46:46,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:46:46,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689895466] [2021-01-20 15:46:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:46:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:46:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:46:46,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689895466] [2021-01-20 15:46:46,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029293603] [2021-01-20 15:46:46,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 15:46:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:46:46,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-20 15:46:46,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 15:46:47,277 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:46:47,283 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:46:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:46:47,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 15:46:47,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-01-20 15:46:47,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325552948] [2021-01-20 15:46:47,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-01-20 15:46:47,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:46:47,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-01-20 15:46:47,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-01-20 15:46:47,331 INFO L87 Difference]: Start difference. First operand 76263 states. Second operand has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 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) [2021-01-20 15:46:47,814 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-01-20 15:46:49,487 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2021-01-20 15:46:51,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:46:51,114 INFO L93 Difference]: Finished difference Result 109569 states and 414698 transitions. [2021-01-20 15:46:51,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-01-20 15:46:51,115 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 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 50 [2021-01-20 15:46:51,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:46:51,716 INFO L225 Difference]: With dead ends: 109569 [2021-01-20 15:46:51,716 INFO L226 Difference]: Without dead ends: 104481 [2021-01-20 15:46:51,718 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=734, Invalid=3048, Unknown=0, NotChecked=0, Total=3782 [2021-01-20 15:46:51,718 INFO L78 Accepts]: Start accepts. Automaton has 104481 states. Word has length 50 [2021-01-20 15:46:51,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:46:51,720 INFO L481 AbstractCegarLoop]: Abstraction has 104481 states. [2021-01-20 15:46:51,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 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) [2021-01-20 15:46:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 104481 states. [2021-01-20 15:46:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-20 15:46:51,745 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:46:51,746 INFO L504 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1] [2021-01-20 15:46:51,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-01-20 15:46:51,960 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 15:46:51,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:46:51,961 INFO L82 PathProgramCache]: Analyzing trace with hash 366758830, now seen corresponding path program 1 times [2021-01-20 15:46:51,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:46:51,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134616278] [2021-01-20 15:46:51,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:46:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 15:46:51,993 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 15:46:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 15:46:52,027 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 15:46:52,051 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-20 15:46:52,051 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-20 15:46:52,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-20 15:46:52,052 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-20 15:46:52,052 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-01-20 15:46:52,081 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,081 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,081 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,081 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,085 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,085 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,085 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,085 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,086 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,086 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,086 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,086 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,093 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,093 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,094 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,094 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,094 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,102 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,102 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,102 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,102 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,106 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,110 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,110 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,117 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,117 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,122 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,122 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,122 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,122 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,122 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,124 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,124 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,124 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,124 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,124 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,138 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,138 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,138 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,142 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,148 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 15:46:52,157 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 15:46:52,157 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-01-20 15:46:52,158 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 15:46:52,158 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 15:46:52,158 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 15:46:52,159 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 15:46:52,159 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 15:46:52,159 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 15:46:52,159 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 15:46:52,159 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 15:46:52,162 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 138 places, 130 transitions, 324 flow [2021-01-20 15:51:56,454 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 320074 states, 320062 states have (on average 5.263489573895058) internal successors, (1684643), 320073 states have internal predecessors, (1684643), 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) [2021-01-20 15:51:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 320074 states, 320062 states have (on average 5.263489573895058) internal successors, (1684643), 320073 states have internal predecessors, (1684643), 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) [2021-01-20 15:51:57,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-20 15:51:57,306 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:51:57,306 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:51:57,307 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 15:51:57,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:51:57,307 INFO L82 PathProgramCache]: Analyzing trace with hash -707953740, now seen corresponding path program 1 times [2021-01-20 15:51:57,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:51:57,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541317473] [2021-01-20 15:51:57,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:51:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:51:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:51:57,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541317473] [2021-01-20 15:51:57,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 15:51:57,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-20 15:51:57,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091918368] [2021-01-20 15:51:57,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-20 15:51:57,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:51:57,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-20 15:51:57,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-20 15:51:57,859 INFO L87 Difference]: Start difference. First operand has 320074 states, 320062 states have (on average 5.263489573895058) internal successors, (1684643), 320073 states have internal predecessors, (1684643), 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 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-01-20 15:52:04,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:52:04,458 INFO L93 Difference]: Finished difference Result 345610 states and 1701776 transitions. [2021-01-20 15:52:04,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-20 15:52:04,459 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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 34 [2021-01-20 15:52:04,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:52:06,989 INFO L225 Difference]: With dead ends: 345610 [2021-01-20 15:52:06,989 INFO L226 Difference]: Without dead ends: 263969 [2021-01-20 15:52:06,990 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-01-20 15:52:06,990 INFO L78 Accepts]: Start accepts. Automaton has 263969 states. Word has length 34 [2021-01-20 15:52:06,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:52:06,990 INFO L481 AbstractCegarLoop]: Abstraction has 263969 states. [2021-01-20 15:52:06,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-01-20 15:52:06,991 INFO L276 IsEmpty]: Start isEmpty. Operand 263969 states. [2021-01-20 15:52:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-20 15:52:06,993 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:52:06,993 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:52:06,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-20 15:52:06,993 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 15:52:06,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:52:06,994 INFO L82 PathProgramCache]: Analyzing trace with hash 468567968, now seen corresponding path program 1 times [2021-01-20 15:52:06,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:52:06,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718030250] [2021-01-20 15:52:06,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:52:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:52:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:52:07,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718030250] [2021-01-20 15:52:07,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 15:52:07,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 15:52:07,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823837308] [2021-01-20 15:52:07,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 15:52:07,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:52:07,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 15:52:07,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-01-20 15:52:07,307 INFO L87 Difference]: Start difference. First operand 263969 states. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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) [2021-01-20 15:52:16,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:52:16,679 INFO L93 Difference]: Finished difference Result 564731 states and 2669225 transitions. [2021-01-20 15:52:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-01-20 15:52:16,680 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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 43 [2021-01-20 15:52:16,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:52:20,977 INFO L225 Difference]: With dead ends: 564731 [2021-01-20 15:52:20,977 INFO L226 Difference]: Without dead ends: 543403 [2021-01-20 15:52:20,979 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=373, Invalid=1033, Unknown=0, NotChecked=0, Total=1406 [2021-01-20 15:52:20,979 INFO L78 Accepts]: Start accepts. Automaton has 543403 states. Word has length 43 [2021-01-20 15:52:20,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:52:20,980 INFO L481 AbstractCegarLoop]: Abstraction has 543403 states. [2021-01-20 15:52:20,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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) [2021-01-20 15:52:20,981 INFO L276 IsEmpty]: Start isEmpty. Operand 543403 states. [2021-01-20 15:52:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-20 15:52:21,018 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:52:21,019 INFO L504 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:52:21,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-20 15:52:21,019 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 15:52:21,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:52:21,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1598556653, now seen corresponding path program 1 times [2021-01-20 15:52:21,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:52:21,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393633068] [2021-01-20 15:52:21,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:52:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:52:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:52:21,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393633068] [2021-01-20 15:52:21,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823172521] [2021-01-20 15:52:21,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 15:52:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:52:21,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2021-01-20 15:52:21,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 15:52:22,623 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-01-20 15:52:23,085 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:52:23,090 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:52:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:52:23,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 15:52:23,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-01-20 15:52:23,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500721765] [2021-01-20 15:52:23,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-01-20 15:52:23,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:52:23,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-01-20 15:52:23,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-01-20 15:52:23,134 INFO L87 Difference]: Start difference. First operand 543403 states. Second operand has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 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) [2021-01-20 15:52:36,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:52:36,761 INFO L93 Difference]: Finished difference Result 890655 states and 4096081 transitions. [2021-01-20 15:52:36,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-01-20 15:52:36,762 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 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 50 [2021-01-20 15:52:36,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:52:46,156 INFO L225 Difference]: With dead ends: 890655 [2021-01-20 15:52:46,156 INFO L226 Difference]: Without dead ends: 857151 [2021-01-20 15:52:46,158 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=734, Invalid=3048, Unknown=0, NotChecked=0, Total=3782 [2021-01-20 15:52:46,158 INFO L78 Accepts]: Start accepts. Automaton has 857151 states. Word has length 50 [2021-01-20 15:52:46,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:52:46,159 INFO L481 AbstractCegarLoop]: Abstraction has 857151 states. [2021-01-20 15:52:46,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 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) [2021-01-20 15:52:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 857151 states. [2021-01-20 15:52:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-20 15:52:46,192 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:52:46,192 INFO L504 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:52:46,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-20 15:52:46,406 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 15:52:46,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:52:46,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1426736533, now seen corresponding path program 1 times [2021-01-20 15:52:46,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:52:46,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231948157] [2021-01-20 15:52:46,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:52:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:52:48,200 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2021-01-20 15:52:48,878 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 5 [2021-01-20 15:52:49,476 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 5 [2021-01-20 15:52:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:52:49,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231948157] [2021-01-20 15:52:49,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184693630] [2021-01-20 15:52:49,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 15:52:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:52:49,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-20 15:52:49,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 15:52:49,985 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-20 15:52:49,985 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:52:50,164 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:52:50,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-20 15:52:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:52:50,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 15:52:50,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2021-01-20 15:52:50,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591379588] [2021-01-20 15:52:50,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-01-20 15:52:50,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:52:50,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-01-20 15:52:50,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2021-01-20 15:52:50,228 INFO L87 Difference]: Start difference. First operand 857151 states. Second operand has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 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) [2021-01-20 15:52:52,086 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 16 [2021-01-20 15:52:52,415 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2021-01-20 15:53:14,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:53:14,428 INFO L93 Difference]: Finished difference Result 1082463 states and 4947419 transitions. [2021-01-20 15:53:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-01-20 15:53:14,429 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 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 54 [2021-01-20 15:53:14,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:53:26,832 INFO L225 Difference]: With dead ends: 1082463 [2021-01-20 15:53:26,832 INFO L226 Difference]: Without dead ends: 1072719 [2021-01-20 15:53:26,856 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3279 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=1904, Invalid=8398, Unknown=0, NotChecked=0, Total=10302 [2021-01-20 15:53:26,856 INFO L78 Accepts]: Start accepts. Automaton has 1072719 states. Word has length 54 [2021-01-20 15:53:26,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:53:26,856 INFO L481 AbstractCegarLoop]: Abstraction has 1072719 states. [2021-01-20 15:53:26,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 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) [2021-01-20 15:53:26,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1072719 states. [2021-01-20 15:53:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-20 15:53:26,914 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:53:26,914 INFO L504 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:53:27,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-20 15:53:27,129 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 15:53:27,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:53:27,130 INFO L82 PathProgramCache]: Analyzing trace with hash 982129677, now seen corresponding path program 2 times [2021-01-20 15:53:27,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:53:27,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217094577] [2021-01-20 15:53:27,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:53:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:53:27,603 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 12 [2021-01-20 15:53:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:53:27,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217094577] [2021-01-20 15:53:27,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493613606] [2021-01-20 15:53:27,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 15:53:28,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-01-20 15:53:28,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-01-20 15:53:28,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2021-01-20 15:53:28,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 15:53:28,242 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2021-01-20 15:53:28,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:53:28,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:53:28,434 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-01-20 15:53:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-20 15:53:30,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-20 15:53:30,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [16] total 26 [2021-01-20 15:53:30,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335439446] [2021-01-20 15:53:30,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 15:53:30,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:53:30,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 15:53:30,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2021-01-20 15:53:30,213 INFO L87 Difference]: Start difference. First operand 1072719 states. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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) [2021-01-20 15:53:51,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 15:53:51,705 INFO L93 Difference]: Finished difference Result 1169279 states and 5308663 transitions. [2021-01-20 15:53:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-01-20 15:53:51,706 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 54 [2021-01-20 15:53:51,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 15:54:06,784 INFO L225 Difference]: With dead ends: 1169279 [2021-01-20 15:54:06,784 INFO L226 Difference]: Without dead ends: 1154815 [2021-01-20 15:54:06,786 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=627, Invalid=2795, Unknown=0, NotChecked=0, Total=3422 [2021-01-20 15:54:06,786 INFO L78 Accepts]: Start accepts. Automaton has 1154815 states. Word has length 54 [2021-01-20 15:54:06,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 15:54:06,787 INFO L481 AbstractCegarLoop]: Abstraction has 1154815 states. [2021-01-20 15:54:06,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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) [2021-01-20 15:54:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1154815 states. [2021-01-20 15:54:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-20 15:54:06,917 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 15:54:06,917 INFO L504 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 15:54:07,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 15:54:07,130 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 15:54:07,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 15:54:07,131 INFO L82 PathProgramCache]: Analyzing trace with hash -635440383, now seen corresponding path program 1 times [2021-01-20 15:54:07,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 15:54:07,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027131704] [2021-01-20 15:54:07,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 15:54:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:54:07,592 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:54:07,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027131704] [2021-01-20 15:54:07,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381354279] [2021-01-20 15:54:07,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-20 15:54:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 15:54:07,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2021-01-20 15:54:07,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-20 15:54:08,199 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:54:08,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-20 15:54:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 15:54:08,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-20 15:54:08,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-01-20 15:54:08,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050522174] [2021-01-20 15:54:08,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-01-20 15:54:08,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 15:54:08,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-01-20 15:54:08,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2021-01-20 15:54:08,284 INFO L87 Difference]: Start difference. First operand 1154815 states. Second operand has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 24 states have internal predecessors, (94), 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)