/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread/bigshot_p.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 11:47:40,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 11:47:40,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 11:47:40,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 11:47:40,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 11:47:40,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 11:47:40,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 11:47:40,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 11:47:40,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 11:47:40,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 11:47:40,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 11:47:40,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 11:47:40,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 11:47:40,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 11:47:40,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 11:47:40,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 11:47:40,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 11:47:40,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 11:47:40,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 11:47:40,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 11:47:40,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 11:47:40,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 11:47:40,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 11:47:40,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 11:47:40,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 11:47:40,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 11:47:40,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 11:47:40,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 11:47:40,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 11:47:40,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 11:47:40,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 11:47:40,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 11:47:40,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 11:47:40,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 11:47:40,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 11:47:40,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 11:47:40,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 11:47:40,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 11:47:40,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 11:47:40,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 11:47:40,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 11:47:40,803 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-VariableLbe-McrStrategy.epf [2020-04-18 11:47:40,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 11:47:40,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 11:47:40,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 11:47:40,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 11:47:40,827 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 11:47:40,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 11:47:40,829 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 11:47:40,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 11:47:40,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 11:47:40,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 11:47:40,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 11:47:40,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 11:47:40,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 11:47:40,831 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 11:47:40,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 11:47:40,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 11:47:40,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 11:47:40,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 11:47:40,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 11:47:40,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 11:47:40,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 11:47:40,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:47:40,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 11:47:40,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 11:47:40,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 11:47:40,834 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 11:47:40,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 11:47:40,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 11:47:40,835 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 11:47:40,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 11:47:40,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 11:47:41,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 11:47:41,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 11:47:41,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 11:47:41,138 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 11:47:41,138 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 11:47:41,139 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_p.i [2020-04-18 11:47:41,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572bc5aae/f1d3121d0c174c5dacb361348cc44cc3/FLAG13ee916eb [2020-04-18 11:47:41,810 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 11:47:41,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_p.i [2020-04-18 11:47:41,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572bc5aae/f1d3121d0c174c5dacb361348cc44cc3/FLAG13ee916eb [2020-04-18 11:47:42,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572bc5aae/f1d3121d0c174c5dacb361348cc44cc3 [2020-04-18 11:47:42,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 11:47:42,078 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 11:47:42,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 11:47:42,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 11:47:42,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 11:47:42,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:47:42" (1/1) ... [2020-04-18 11:47:42,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2407fc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:42, skipping insertion in model container [2020-04-18 11:47:42,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:47:42" (1/1) ... [2020-04-18 11:47:42,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 11:47:42,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 11:47:42,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:47:42,809 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 11:47:42,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:47:43,075 INFO L208 MainTranslator]: Completed translation [2020-04-18 11:47:43,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43 WrapperNode [2020-04-18 11:47:43,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 11:47:43,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 11:47:43,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 11:47:43,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 11:47:43,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... [2020-04-18 11:47:43,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... [2020-04-18 11:47:43,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 11:47:43,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 11:47:43,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 11:47:43,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 11:47:43,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... [2020-04-18 11:47:43,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... [2020-04-18 11:47:43,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... [2020-04-18 11:47:43,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... [2020-04-18 11:47:43,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... [2020-04-18 11:47:43,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... [2020-04-18 11:47:43,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... [2020-04-18 11:47:43,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 11:47:43,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 11:47:43,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 11:47:43,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 11:47:43,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:47:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 11:47:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 11:47:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-04-18 11:47:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 11:47:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-04-18 11:47:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-04-18 11:47:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-04-18 11:47:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-04-18 11:47:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 11:47:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-04-18 11:47:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 11:47:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 11:47:43,239 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 11:47:43,713 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 11:47:43,713 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-04-18 11:47:43,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:47:43 BoogieIcfgContainer [2020-04-18 11:47:43,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 11:47:43,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 11:47:43,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 11:47:43,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 11:47:43,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 11:47:42" (1/3) ... [2020-04-18 11:47:43,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f05c7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:47:43, skipping insertion in model container [2020-04-18 11:47:43,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:47:43" (2/3) ... [2020-04-18 11:47:43,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f05c7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:47:43, skipping insertion in model container [2020-04-18 11:47:43,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:47:43" (3/3) ... [2020-04-18 11:47:43,728 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2020-04-18 11:47:43,739 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 11:47:43,740 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 11:47:43,748 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 11:47:43,749 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 11:47:43,798 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,798 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,799 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,799 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,802 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,802 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,803 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,803 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,803 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,803 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,804 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,805 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,805 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,808 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,808 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,808 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,809 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,809 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,810 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,811 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,811 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,811 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,811 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,812 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,812 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,813 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,813 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,813 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,814 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,815 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,815 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,815 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,816 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,816 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,816 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,816 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,817 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,818 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,818 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,819 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,819 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,819 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,820 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,820 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,820 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,820 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,821 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,821 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,821 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,821 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,822 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,822 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,822 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,822 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,822 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,827 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,827 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,827 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,827 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,828 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,828 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,828 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,828 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,828 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,829 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,829 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,838 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,840 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,841 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,841 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,841 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,841 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,842 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,842 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,842 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,842 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,843 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,843 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,843 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,843 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:47:43,869 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 11:47:43,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:47:43,894 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:47:43,894 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:47:43,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:47:43,896 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:47:43,896 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:47:43,896 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:47:43,896 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:47:43,917 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 72 transitions, 166 flow [2020-04-18 11:47:43,920 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-04-18 11:47:43,969 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-04-18 11:47:43,969 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 11:47:43,974 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 72 events. 6/72 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 45. Up to 3 conditions per place. [2020-04-18 11:47:43,976 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-04-18 11:47:44,017 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-04-18 11:47:44,018 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-04-18 11:47:44,019 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 72 events. 6/72 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 45. Up to 3 conditions per place. [2020-04-18 11:47:44,023 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 568 [2020-04-18 11:47:44,024 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 11:47:45,617 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-04-18 11:47:46,122 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-04-18 11:47:46,197 INFO L206 etLargeBlockEncoding]: Checked pairs total: 773 [2020-04-18 11:47:46,197 INFO L214 etLargeBlockEncoding]: Total number of compositions: 61 [2020-04-18 11:47:46,201 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 25 transitions, 72 flow [2020-04-18 11:47:46,213 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 66 states. [2020-04-18 11:47:46,216 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-04-18 11:47:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 11:47:46,225 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:47:46,226 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:47:46,226 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:47:46,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:47:46,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1788700226, now seen corresponding path program 1 times [2020-04-18 11:47:46,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:47:46,241 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [851773952] [2020-04-18 11:47:46,258 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:47:46,275 INFO L259 McrAutomatonBuilder]: Finished intersection with 32 states and 50 transitions. [2020-04-18 11:47:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-04-18 11:47:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 11:47:46,278 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:47:46,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:47:46,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1788700226, now seen corresponding path program 2 times [2020-04-18 11:47:46,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:47:46,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474325825] [2020-04-18 11:47:46,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:47:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:47:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:47:46,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474325825] [2020-04-18 11:47:46,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:47:46,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 11:47:46,528 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:47:46,530 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:47:46,538 INFO L259 McrAutomatonBuilder]: Finished intersection with 19 states and 22 transitions. [2020-04-18 11:47:46,538 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:47:46,584 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times. [2020-04-18 11:47:46,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:47:46,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 11:47:46,592 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 4 states. [2020-04-18 11:47:46,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:47:46,638 INFO L93 Difference]: Finished difference Result 40 states and 57 transitions. [2020-04-18 11:47:46,640 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2020-04-18 11:47:46,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 11:47:46,641 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:47:46,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:47:46,641 INFO L82 PathProgramCache]: Analyzing trace with hash -180019050, now seen corresponding path program 3 times [2020-04-18 11:47:46,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:47:46,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513915686] [2020-04-18 11:47:46,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:47:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:47:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:47:46,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513915686] [2020-04-18 11:47:46,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:47:46,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 11:47:46,828 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:47:46,829 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:47:46,833 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 28 transitions. [2020-04-18 11:47:46,833 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:47:46,905 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times. [2020-04-18 11:47:46,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 11:47:46,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-04-18 11:47:46,906 INFO L87 Difference]: Start difference. First operand 40 states and 57 transitions. Second operand 7 states. [2020-04-18 11:47:46,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:47:46,986 INFO L93 Difference]: Finished difference Result 40 states and 57 transitions. [2020-04-18 11:47:46,986 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2020-04-18 11:47:46,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:47:46,987 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [851773952] [2020-04-18 11:47:46,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:47:46,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 11:47:46,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [851773952] [2020-04-18 11:47:46,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-04-18 11:47:46,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:47:46,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-04-18 11:47:46,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-04-18 11:47:46,999 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 9 states. [2020-04-18 11:47:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:47:47,349 INFO L93 Difference]: Finished difference Result 89 states and 162 transitions. [2020-04-18 11:47:47,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-04-18 11:47:47,351 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-04-18 11:47:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:47:47,363 INFO L225 Difference]: With dead ends: 89 [2020-04-18 11:47:47,364 INFO L226 Difference]: Without dead ends: 79 [2020-04-18 11:47:47,365 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2020-04-18 11:47:47,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-04-18 11:47:47,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2020-04-18 11:47:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-04-18 11:47:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 138 transitions. [2020-04-18 11:47:47,414 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 138 transitions. Word has length 14 [2020-04-18 11:47:47,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:47:47,414 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 138 transitions. [2020-04-18 11:47:47,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-04-18 11:47:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2020-04-18 11:47:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 11:47:47,416 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:47:47,416 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:47:47,416 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 11:47:47,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:47:47,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1891628826, now seen corresponding path program 1 times [2020-04-18 11:47:47,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:47:47,418 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2057780860] [2020-04-18 11:47:47,418 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:47:47,419 INFO L259 McrAutomatonBuilder]: Finished intersection with 29 states and 44 transitions. [2020-04-18 11:47:47,420 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-04-18 11:47:47,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 11:47:47,421 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:47:47,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:47:47,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1760072036, now seen corresponding path program 2 times [2020-04-18 11:47:47,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:47:47,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490645638] [2020-04-18 11:47:47,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:47:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:47:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:47:47,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490645638] [2020-04-18 11:47:47,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:47:47,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 11:47:47,486 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:47:47,489 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:47:47,493 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 28 transitions. [2020-04-18 11:47:47,493 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:47:47,502 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times. [2020-04-18 11:47:47,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:47:47,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 11:47:47,503 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2020-04-18 11:47:47,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:47:47,523 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-04-18 11:47:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-04-18 11:47:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 11:47:47,524 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 11:47:47,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:47:47,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1891628826, now seen corresponding path program 3 times [2020-04-18 11:47:47,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:47:47,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358348803] [2020-04-18 11:47:47,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:47:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:47:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:47:47,643 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 11:47:47,645 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 11:47:47,645 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 11:47:47,647 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-18 11:47:47,656 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [253] [253] L1107-->L1088: Formula: (let ((.cse1 (= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression_Out1578204056|)) (.cse3 (= 0 ~v~0.base_In1578204056)) (.cse4 (= ~v~0.offset_In1578204056 0))) (or (let ((.cse0 (not |ULTIMATE.start_main_#t~short10_Out1578204056|))) (and (or (and .cse0 (= 0 |ULTIMATE.start___VERIFIER_assert_#in~expression_Out1578204056|)) (and |ULTIMATE.start_main_#t~short10_Out1578204056| .cse1)) (= |ULTIMATE.start_main_#t~mem9_Out1578204056| (select (select |#memory_int_In1578204056| ~v~0.base_In1578204056) ~v~0.offset_In1578204056)) (let ((.cse2 (= |ULTIMATE.start_main_#t~mem9_Out1578204056| 66))) (or (and |ULTIMATE.start_main_#t~short10_Out1578204056| .cse2) (and .cse0 (not .cse2)))) (or (not .cse3) (not .cse4)))) (and (= |ULTIMATE.start_main_#t~mem9_In1578204056| |ULTIMATE.start_main_#t~mem9_Out1578204056|) |ULTIMATE.start_main_#t~short10_Out1578204056| .cse1 .cse3 .cse4))) InVars {ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_In1578204056|, ~v~0.offset=~v~0.offset_In1578204056, #memory_int=|#memory_int_In1578204056|, ~v~0.base=~v~0.base_In1578204056} OutVars{ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_Out1578204056|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out1578204056, ~v~0.offset=~v~0.offset_In1578204056, #memory_int=|#memory_int_In1578204056|, ULTIMATE.start_main_#t~short10=|ULTIMATE.start_main_#t~short10_Out1578204056|, ~v~0.base=~v~0.base_In1578204056, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out1578204056|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-04-18 11:47:47,670 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,671 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,671 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,672 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,672 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,673 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,673 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,674 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,674 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,675 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,675 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,676 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,676 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,677 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,677 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,678 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,678 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,679 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,679 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,680 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,680 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,680 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-04-18 11:47:47,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 11:47:47 BasicIcfg [2020-04-18 11:47:47,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 11:47:47,711 INFO L168 Benchmark]: Toolchain (without parser) took 5647.77 ms. Allocated memory was 137.9 MB in the beginning and 249.6 MB in the end (delta: 111.7 MB). Free memory was 99.7 MB in the beginning and 98.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. [2020-04-18 11:47:47,712 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-18 11:47:47,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 997.93 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 97.7 MB in the beginning and 121.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2020-04-18 11:47:47,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.51 ms. Allocated memory is still 202.9 MB. Free memory was 121.7 MB in the beginning and 119.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-04-18 11:47:47,714 INFO L168 Benchmark]: Boogie Preprocessor took 32.37 ms. Allocated memory is still 202.9 MB. Free memory was 119.0 MB in the beginning and 116.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 11:47:47,715 INFO L168 Benchmark]: RCFGBuilder took 542.25 ms. Allocated memory is still 202.9 MB. Free memory was 116.9 MB in the beginning and 93.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-04-18 11:47:47,716 INFO L168 Benchmark]: TraceAbstraction took 3989.61 ms. Allocated memory was 202.9 MB in the beginning and 249.6 MB in the end (delta: 46.7 MB). Free memory was 92.4 MB in the beginning and 98.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2020-04-18 11:47:47,720 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 997.93 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 97.7 MB in the beginning and 121.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.51 ms. Allocated memory is still 202.9 MB. Free memory was 121.7 MB in the beginning and 119.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.37 ms. Allocated memory is still 202.9 MB. Free memory was 119.0 MB in the beginning and 116.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 542.25 ms. Allocated memory is still 202.9 MB. Free memory was 116.9 MB in the beginning and 93.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3989.61 ms. Allocated memory was 202.9 MB in the beginning and 249.6 MB in the end (delta: 46.7 MB). Free memory was 92.4 MB in the beginning and 98.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 72 ProgramPointsBefore, 27 ProgramPointsAfterwards, 72 TransitionsBefore, 25 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 288 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 773 CheckedPairsTotal, 61 TotalNumberOfCompositions - CounterExampleResult [Line: 1088]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1089] 0 char *v; [L1102] 0 pthread_t t1, t2; [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [v={0:0}] [L1104] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [v={0:0}] [L1105] 0 \read(t1) VAL [v={0:0}] [L1097] COND FALSE 2 !(\read(*v)) [L1098] 2 return 0; [L1092] 1 v = calloc(8, sizeof(char)) [L1093] 1 return 0; [L1105] FCALL, JOIN 1 pthread_join(t1, 0) VAL [v={3:0}] [L1106] 0 \read(t2) VAL [v={3:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [v={3:0}] [L1088] COND TRUE 0 !expression [L1088] 0 __VERIFIER_error() VAL [v={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 17 SDtfs, 110 SDslu, 46 SDs, 0 SdLazy, 135 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...