/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread/bigshot_s.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:07:32,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:07:32,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:07:32,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:07:32,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:07:32,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:07:32,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:07:32,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:07:32,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:07:32,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:07:32,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:07:32,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:07:32,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:07:32,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:07:32,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:07:32,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:07:32,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:07:32,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:07:32,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:07:32,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:07:32,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:07:32,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:07:32,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:07:32,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:07:32,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 23:07:32,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 23:07:32,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 23:07:32,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 23:07:32,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 23:07:32,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 23:07:32,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:07:32,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:07:32,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:07:32,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:07:32,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:07:32,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:07:32,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:07:32,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:07:32,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:07:32,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:07:32,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:07:32,425 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:07:32,463 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:07:32,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:07:32,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:07:32,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:07:32,466 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:07:32,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:07:32,467 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:07:32,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:07:32,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:07:32,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:07:32,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:07:32,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:07:32,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:07:32,469 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:07:32,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:07:32,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:07:32,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:07:32,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:07:32,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:07:32,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:07:32,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:07:32,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:07:32,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:07:32,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:07:32,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:07:32,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:07:32,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:07:32,472 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:07:32,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:07:32,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:07:32,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:07:32,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:07:32,797 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:07:32,797 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:07:32,798 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2020-10-05 23:07:32,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da875cfc9/108e6f2e18c14183b8c60a2e04353239/FLAG6eb8cc85d [2020-10-05 23:07:33,453 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:07:33,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i [2020-10-05 23:07:33,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da875cfc9/108e6f2e18c14183b8c60a2e04353239/FLAG6eb8cc85d [2020-10-05 23:07:33,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da875cfc9/108e6f2e18c14183b8c60a2e04353239 [2020-10-05 23:07:33,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:07:33,741 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:07:33,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:07:33,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:07:33,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:07:33,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:07:33" (1/1) ... [2020-10-05 23:07:33,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f81405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:33, skipping insertion in model container [2020-10-05 23:07:33,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:07:33" (1/1) ... [2020-10-05 23:07:33,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:07:33,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:07:34,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:07:34,380 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:07:34,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:07:34,619 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:07:34,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34 WrapperNode [2020-10-05 23:07:34,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:07:34,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:07:34,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:07:34,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:07:34,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:07:34,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:07:34,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:07:34,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:07:34,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (1/1) ... [2020-10-05 23:07:34,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:07:34,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:07:34,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:07:34,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:07:34,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (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 [2020-10-05 23:07:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:07:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:07:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-05 23:07:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 23:07:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-05 23:07:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-05 23:07:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-05 23:07:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-05 23:07:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:07:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-05 23:07:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:07:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:07:34,824 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:07:35,227 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:07:35,227 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:07:35,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:07:35 BoogieIcfgContainer [2020-10-05 23:07:35,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:07:35,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:07:35,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:07:35,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:07:35,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:07:33" (1/3) ... [2020-10-05 23:07:35,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9503b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:07:35, skipping insertion in model container [2020-10-05 23:07:35,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:07:34" (2/3) ... [2020-10-05 23:07:35,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9503b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:07:35, skipping insertion in model container [2020-10-05 23:07:35,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:07:35" (3/3) ... [2020-10-05 23:07:35,242 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-10-05 23:07:35,253 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:07:35,254 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:07:35,262 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:07:35,263 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:07:35,295 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,295 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,295 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,295 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,296 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,301 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,301 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,301 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,301 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,302 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,302 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,302 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,302 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,303 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,303 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,303 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,304 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,304 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,304 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,304 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,305 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,305 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,305 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,305 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,310 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,310 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,310 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,326 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,326 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,326 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,327 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,327 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,327 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,327 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,327 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,328 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,328 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,328 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,328 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,329 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,337 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,337 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,338 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,338 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,338 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,338 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:07:35,358 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-05 23:07:35,377 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:07:35,377 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:07:35,377 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:07:35,377 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:07:35,378 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:07:35,378 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:07:35,378 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:07:35,378 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:07:35,391 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 70 transitions, 162 flow [2020-10-05 23:07:35,393 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 70 places, 70 transitions, 162 flow [2020-10-05 23:07:35,432 INFO L129 PetriNetUnfolder]: 5/66 cut-off events. [2020-10-05 23:07:35,433 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-05 23:07:35,437 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 66 events. 5/66 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-10-05 23:07:35,439 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 70 places, 70 transitions, 162 flow [2020-10-05 23:07:35,458 INFO L129 PetriNetUnfolder]: 5/66 cut-off events. [2020-10-05 23:07:35,458 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-05 23:07:35,459 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 66 events. 5/66 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-10-05 23:07:35,460 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 96 [2020-10-05 23:07:35,461 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:07:36,841 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-10-05 23:07:37,279 INFO L206 etLargeBlockEncoding]: Checked pairs total: 68 [2020-10-05 23:07:37,279 INFO L214 etLargeBlockEncoding]: Total number of compositions: 62 [2020-10-05 23:07:37,283 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-10-05 23:07:37,292 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-05 23:07:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-05 23:07:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:07:37,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:07:37,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:07:37,303 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:07:37,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:07:37,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1540404167, now seen corresponding path program 1 times [2020-10-05 23:07:37,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:07:37,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499791780] [2020-10-05 23:07:37,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:07:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:07:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:07:37,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499791780] [2020-10-05 23:07:37,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:07:37,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:07:37,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939352254] [2020-10-05 23:07:37,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:07:37,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:07:37,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:07:37,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:07:37,603 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-05 23:07:37,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:07:37,640 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-10-05 23:07:37,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:07:37,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-05 23:07:37,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:07:37,651 INFO L225 Difference]: With dead ends: 19 [2020-10-05 23:07:37,651 INFO L226 Difference]: Without dead ends: 18 [2020-10-05 23:07:37,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:07:37,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-05 23:07:37,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-05 23:07:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-05 23:07:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-10-05 23:07:37,687 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-10-05 23:07:37,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:07:37,688 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-10-05 23:07:37,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:07:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-10-05 23:07:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:07:37,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:07:37,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:07:37,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:07:37,689 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:07:37,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:07:37,690 INFO L82 PathProgramCache]: Analyzing trace with hash 636866405, now seen corresponding path program 1 times [2020-10-05 23:07:37,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:07:37,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429624418] [2020-10-05 23:07:37,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:07:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:07:37,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:07:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:07:37,759 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:07:37,791 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:07:37,792 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:07:37,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:07:37,794 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 23:07:37,794 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 23:07:37,801 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [251] [251] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork0_#res.offset_Out1749080116| 0) (= |thread2Thread1of1ForFork0_#res.base_Out1749080116| 0) (= |#memory_int_Out1749080116| (store |#memory_int_In1749080116| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1749080116| (store (select |#memory_int_In1749080116| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1749080116|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1749080116| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In1749080116|) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out1749080116|))) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1749080116| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In1749080116|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out1749080116| 0) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out1749080116| (select (select |#memory_int_In1749080116| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In1749080116|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In1749080116| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In1749080116|))) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1749080116| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In1749080116|)) InVars {thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In1749080116|, #memory_int=|#memory_int_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In1749080116|} OutVars{thread2Thread1of1ForFork0_#res.offset=|thread2Thread1of1ForFork0_#res.offset_Out1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In1749080116|, thread2Thread1of1ForFork0_#t~strcpy~res4.base=|thread2Thread1of1ForFork0_#t~strcpy~res4.base_Out1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In1749080116|, thread2Thread1of1ForFork0_#t~strcpy~res4.offset=|thread2Thread1of1ForFork0_#t~strcpy~res4.offset_Out1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1749080116|, thread2Thread1of1ForFork0_#res.base=|thread2Thread1of1ForFork0_#res.base_Out1749080116|, #memory_int=|#memory_int_Out1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In1749080116|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out1749080116|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_#res.base, thread2Thread1of1ForFork0_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork0_#t~strcpy~res4.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13] because there is no mapped edge [2020-10-05 23:07:37,802 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [243] [243] L1107-->L1107-6: Formula: (let ((.cse2 (= ~v~0.offset_In-2094893720 0)) (.cse1 (= ~v~0.base_In-2094893720 0)) (.cse0 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-2094893720| 1))) (or (and |ULTIMATE.start_main_#t~short10_Out-2094893720| .cse0 (= |ULTIMATE.start_main_#t~mem9_In-2094893720| |ULTIMATE.start_main_#t~mem9_Out-2094893720|) .cse1 .cse2) (let ((.cse4 (not |ULTIMATE.start_main_#t~short10_Out-2094893720|))) (and (or (not .cse2) (not .cse1)) (let ((.cse3 (= 66 |ULTIMATE.start_main_#t~mem9_Out-2094893720|))) (or (and |ULTIMATE.start_main_#t~short10_Out-2094893720| .cse3) (and (not .cse3) .cse4))) (= |ULTIMATE.start_main_#t~mem9_Out-2094893720| (select (select |#memory_int_In-2094893720| ~v~0.base_In-2094893720) ~v~0.offset_In-2094893720)) (or (and (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-2094893720| 0) .cse4) (and |ULTIMATE.start_main_#t~short10_Out-2094893720| .cse0)))))) InVars {ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_In-2094893720|, ~v~0.offset=~v~0.offset_In-2094893720, #memory_int=|#memory_int_In-2094893720|, ~v~0.base=~v~0.base_In-2094893720} OutVars{ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_Out-2094893720|, ~v~0.offset=~v~0.offset_In-2094893720, #memory_int=|#memory_int_In-2094893720|, ULTIMATE.start_main_#t~short10=|ULTIMATE.start_main_#t~short10_Out-2094893720|, ~v~0.base=~v~0.base_In-2094893720, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-2094893720|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-10-05 23:07:37,814 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,817 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,817 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,817 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-05 23:07:37,818 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-05 23:07:37,818 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,818 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,819 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,819 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,819 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-05 23:07:37,820 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-05 23:07:37,820 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,820 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,821 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,821 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,821 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-05 23:07:37,822 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-05 23:07:37,822 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,822 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,823 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,823 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,823 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-05 23:07:37,824 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-05 23:07:37,824 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-05 23:07:37,824 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-05 23:07:37,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:07:37 BasicIcfg [2020-10-05 23:07:37,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:07:37,847 INFO L168 Benchmark]: Toolchain (without parser) took 4105.51 ms. Allocated memory was 144.7 MB in the beginning and 251.1 MB in the end (delta: 106.4 MB). Free memory was 98.4 MB in the beginning and 198.8 MB in the end (delta: -100.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:37,848 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 119.4 MB in the beginning and 119.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:07:37,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 878.11 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 121.9 MB in the end (delta: -23.6 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:37,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.64 ms. Allocated memory is still 202.4 MB. Free memory was 121.9 MB in the beginning and 119.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:37,851 INFO L168 Benchmark]: Boogie Preprocessor took 52.92 ms. Allocated memory is still 202.4 MB. Free memory was 119.1 MB in the beginning and 117.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:37,852 INFO L168 Benchmark]: RCFGBuilder took 493.07 ms. Allocated memory is still 202.4 MB. Free memory was 117.8 MB in the beginning and 93.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:07:37,853 INFO L168 Benchmark]: TraceAbstraction took 2610.84 ms. Allocated memory was 202.4 MB in the beginning and 251.1 MB in the end (delta: 48.8 MB). Free memory was 93.1 MB in the beginning and 198.8 MB in the end (delta: -105.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 23:07:37,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 119.4 MB in the beginning and 119.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 878.11 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 121.9 MB in the end (delta: -23.6 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.64 ms. Allocated memory is still 202.4 MB. Free memory was 121.9 MB in the beginning and 119.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.92 ms. Allocated memory is still 202.4 MB. Free memory was 119.1 MB in the beginning and 117.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 493.07 ms. Allocated memory is still 202.4 MB. Free memory was 117.8 MB in the beginning and 93.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2610.84 ms. Allocated memory was 202.4 MB in the beginning and 251.1 MB in the end (delta: 48.8 MB). Free memory was 93.1 MB in the beginning and 198.8 MB in the end (delta: -105.7 MB). There was no memory consumed. 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.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 70 ProgramPointsBefore, 24 ProgramPointsAfterwards, 70 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 49 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 68 CheckedPairsTotal, 62 TotalNumberOfCompositions - UnprovableResult [Line: 1088]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1097. Possible FailurePath: [L1089] 0 char *v; [L1102] 0 pthread_t t1, t2; [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1104] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1092] 1 v = malloc(sizeof(char) * 8) [L1093] 1 return 0; [L1104] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1105] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1097] COND TRUE 2 \read(*v) [L1097] CALL 2 strcpy(v, "Bigshot") [L1106] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1088] COND TRUE 0 !expression [L1088] 0 __VERIFIER_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 14 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...