/usr/bin/java -Xmx16000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/bigshot_p.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 12:44:19,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 12:44:19,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 12:44:19,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 12:44:19,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 12:44:19,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 12:44:19,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 12:44:19,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 12:44:19,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 12:44:19,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 12:44:19,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 12:44:19,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 12:44:19,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 12:44:19,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 12:44:19,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 12:44:19,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 12:44:19,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 12:44:19,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 12:44:19,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 12:44:19,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 12:44:19,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 12:44:19,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 12:44:19,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 12:44:19,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 12:44:19,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 12:44:19,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 12:44:19,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 12:44:19,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 12:44:19,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 12:44:19,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 12:44:19,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 12:44:19,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 12:44:19,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 12:44:19,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 12:44:19,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 12:44:19,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 12:44:19,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 12:44:19,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 12:44:19,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 12:44:19,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 12:44:19,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 12:44:19,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 12:44:19,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 12:44:19,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 12:44:19,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 12:44:19,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 12:44:19,129 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 12:44:19,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 12:44:19,129 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 12:44:19,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 12:44:19,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 12:44:19,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 12:44:19,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 12:44:19,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 12:44:19,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 12:44:19,130 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 12:44:19,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 12:44:19,131 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 12:44:19,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 12:44:19,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 12:44:19,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 12:44:19,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 12:44:19,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 12:44:19,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 12:44:19,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 12:44:19,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 12:44:19,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 12:44:19,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 12:44:19,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 12:44:19,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 12:44:19,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 12:44:19,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 12:44:19,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 12:44:19,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 12:44:19,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 12:44:19,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 12:44:19,481 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 12:44:19,482 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_p.i [2020-10-11 12:44:19,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23be73bcc/1128ae0ffd6d4aa4bf377c02c3eefb7d/FLAGbfe889118 [2020-10-11 12:44:20,146 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 12:44:20,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_p.i [2020-10-11 12:44:20,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23be73bcc/1128ae0ffd6d4aa4bf377c02c3eefb7d/FLAGbfe889118 [2020-10-11 12:44:20,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23be73bcc/1128ae0ffd6d4aa4bf377c02c3eefb7d [2020-10-11 12:44:20,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 12:44:20,441 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 12:44:20,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 12:44:20,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 12:44:20,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 12:44:20,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:44:20" (1/1) ... [2020-10-11 12:44:20,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266643fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:20, skipping insertion in model container [2020-10-11 12:44:20,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:44:20" (1/1) ... [2020-10-11 12:44:20,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 12:44:20,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 12:44:21,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 12:44:21,083 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 12:44:21,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 12:44:21,315 INFO L208 MainTranslator]: Completed translation [2020-10-11 12:44:21,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21 WrapperNode [2020-10-11 12:44:21,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 12:44:21,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 12:44:21,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 12:44:21,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 12:44:21,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (1/1) ... [2020-10-11 12:44:21,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (1/1) ... [2020-10-11 12:44:21,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 12:44:21,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 12:44:21,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 12:44:21,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 12:44:21,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (1/1) ... [2020-10-11 12:44:21,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (1/1) ... [2020-10-11 12:44:21,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (1/1) ... [2020-10-11 12:44:21,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (1/1) ... [2020-10-11 12:44:21,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (1/1) ... [2020-10-11 12:44:21,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (1/1) ... [2020-10-11 12:44:21,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (1/1) ... [2020-10-11 12:44:21,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 12:44:21,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 12:44:21,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 12:44:21,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 12:44:21,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (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 [2020-10-11 12:44:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 12:44:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 12:44:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-11 12:44:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 12:44:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-11 12:44:21,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-11 12:44:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-11 12:44:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-11 12:44:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 12:44:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-11 12:44:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 12:44:21,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 12:44:21,505 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 12:44:21,868 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 12:44:21,869 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 12:44:21,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:44:21 BoogieIcfgContainer [2020-10-11 12:44:21,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 12:44:21,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 12:44:21,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 12:44:21,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 12:44:21,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:44:20" (1/3) ... [2020-10-11 12:44:21,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d2fb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:44:21, skipping insertion in model container [2020-10-11 12:44:21,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:44:21" (2/3) ... [2020-10-11 12:44:21,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d2fb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:44:21, skipping insertion in model container [2020-10-11 12:44:21,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:44:21" (3/3) ... [2020-10-11 12:44:21,880 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2020-10-11 12:44:21,892 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 12:44:21,892 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 12:44:21,900 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 12:44:21,902 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 12:44:21,944 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,944 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,945 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,945 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,945 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,945 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,946 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,946 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,946 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,947 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,947 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,947 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,947 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,950 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,951 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,951 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,951 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,951 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,954 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,954 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,956 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,956 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,956 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,961 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,964 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,964 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,965 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,966 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,967 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,967 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,967 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,967 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,974 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,974 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,976 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,976 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,977 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,978 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,988 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,991 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,991 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,992 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,992 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,992 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,992 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,992 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,993 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,993 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,993 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,993 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,994 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:21,995 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:44:22,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-11 12:44:22,046 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 12:44:22,046 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 12:44:22,046 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 12:44:22,046 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 12:44:22,047 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 12:44:22,047 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 12:44:22,047 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 12:44:22,047 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 12:44:22,060 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 12:44:22,063 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 72 transitions, 166 flow [2020-10-11 12:44:22,066 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 72 transitions, 166 flow [2020-10-11 12:44:22,068 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-10-11 12:44:22,116 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-10-11 12:44:22,117 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 12:44:22,126 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. [2020-10-11 12:44:22,129 INFO L117 LiptonReduction]: Number of co-enabled transitions 568 [2020-10-11 12:44:23,812 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-10-11 12:44:24,267 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-10-11 12:44:24,331 INFO L132 LiptonReduction]: Checked pairs total: 1649 [2020-10-11 12:44:24,332 INFO L134 LiptonReduction]: Total number of compositions: 63 [2020-10-11 12:44:24,339 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 25 transitions, 72 flow [2020-10-11 12:44:24,356 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 66 states. [2020-10-11 12:44:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-10-11 12:44:24,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 12:44:24,367 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:44:24,368 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:44:24,368 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:44:24,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:44:24,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1788700226, now seen corresponding path program 1 times [2020-10-11 12:44:24,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:44:24,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64146861] [2020-10-11 12:44:24,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:44:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:44:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:44:24,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64146861] [2020-10-11 12:44:24,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:44:24,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 12:44:24,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746800068] [2020-10-11 12:44:24,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 12:44:24,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:44:24,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 12:44:24,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 12:44:24,670 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 4 states. [2020-10-11 12:44:24,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:44:24,753 INFO L93 Difference]: Finished difference Result 66 states and 131 transitions. [2020-10-11 12:44:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 12:44:24,755 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-11 12:44:24,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:44:24,767 INFO L225 Difference]: With dead ends: 66 [2020-10-11 12:44:24,767 INFO L226 Difference]: Without dead ends: 65 [2020-10-11 12:44:24,768 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 12:44:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-11 12:44:24,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-11 12:44:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-11 12:44:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 130 transitions. [2020-10-11 12:44:24,804 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 130 transitions. Word has length 14 [2020-10-11 12:44:24,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:44:24,805 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 130 transitions. [2020-10-11 12:44:24,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 12:44:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2020-10-11 12:44:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 12:44:24,806 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:44:24,806 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:44:24,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 12:44:24,807 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:44:24,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:44:24,808 INFO L82 PathProgramCache]: Analyzing trace with hash -180019050, now seen corresponding path program 2 times [2020-10-11 12:44:24,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:44:24,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273810706] [2020-10-11 12:44:24,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:44:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:44:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:44:24,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273810706] [2020-10-11 12:44:24,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:44:24,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 12:44:24,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824913593] [2020-10-11 12:44:24,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 12:44:24,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:44:24,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 12:44:24,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-11 12:44:24,930 INFO L87 Difference]: Start difference. First operand 65 states and 130 transitions. Second operand 7 states. [2020-10-11 12:44:25,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:44:25,054 INFO L93 Difference]: Finished difference Result 88 states and 160 transitions. [2020-10-11 12:44:25,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 12:44:25,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-11 12:44:25,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:44:25,058 INFO L225 Difference]: With dead ends: 88 [2020-10-11 12:44:25,058 INFO L226 Difference]: Without dead ends: 79 [2020-10-11 12:44:25,059 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-11 12:44:25,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-11 12:44:25,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2020-10-11 12:44:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-11 12:44:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 138 transitions. [2020-10-11 12:44:25,069 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 138 transitions. Word has length 14 [2020-10-11 12:44:25,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:44:25,070 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 138 transitions. [2020-10-11 12:44:25,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 12:44:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2020-10-11 12:44:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 12:44:25,072 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:44:25,072 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:44:25,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 12:44:25,072 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 12:44:25,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:44:25,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1891628826, now seen corresponding path program 1 times [2020-10-11 12:44:25,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:44:25,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860279380] [2020-10-11 12:44:25,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:44:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 12:44:25,098 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 12:44:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 12:44:25,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 12:44:25,147 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 12:44:25,148 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 12:44:25,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 12:44:25,149 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-11 12:44:25,157 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [253] [253] L1107-->L1088: Formula: (let ((.cse4 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out460809367| 1)) (.cse0 (= ~v~0.offset_In460809367 0)) (.cse1 (= ~v~0.base_In460809367 0))) (or (let ((.cse3 (not |ULTIMATE.start_main_#t~short10_Out460809367|))) (and (= (select (select |#memory_int_In460809367| ~v~0.base_In460809367) ~v~0.offset_In460809367) |ULTIMATE.start_main_#t~mem9_Out460809367|) (or (not .cse0) (not .cse1)) (let ((.cse2 (= 66 |ULTIMATE.start_main_#t~mem9_Out460809367|))) (or (and .cse2 |ULTIMATE.start_main_#t~short10_Out460809367|) (and .cse3 (not .cse2)))) (or (and .cse3 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out460809367| 0)) (and .cse4 |ULTIMATE.start_main_#t~short10_Out460809367|)))) (and .cse4 (= |ULTIMATE.start_main_#t~mem9_In460809367| |ULTIMATE.start_main_#t~mem9_Out460809367|) .cse0 .cse1 |ULTIMATE.start_main_#t~short10_Out460809367|))) InVars {ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_In460809367|, ~v~0.offset=~v~0.offset_In460809367, #memory_int=|#memory_int_In460809367|, ~v~0.base=~v~0.base_In460809367} OutVars{ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_Out460809367|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out460809367, ~v~0.offset=~v~0.offset_In460809367, #memory_int=|#memory_int_In460809367|, ULTIMATE.start_main_#t~short10=|ULTIMATE.start_main_#t~short10_Out460809367|, ~v~0.base=~v~0.base_In460809367, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out460809367|} 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 [2020-10-11 12:44:25,168 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,170 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,170 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,170 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,171 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,171 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,172 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,172 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,173 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,173 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,174 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,174 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,175 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,175 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,179 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,179 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,180 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,180 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,181 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,181 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,185 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,185 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-10-11 12:44:25,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:44:25 BasicIcfg [2020-10-11 12:44:25,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 12:44:25,208 INFO L168 Benchmark]: Toolchain (without parser) took 4766.41 ms. Allocated memory was 245.4 MB in the beginning and 367.0 MB in the end (delta: 121.6 MB). Free memory was 200.0 MB in the beginning and 193.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 128.5 MB. Max. memory is 14.2 GB. [2020-10-11 12:44:25,208 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 245.4 MB. Free memory is still 221.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 12:44:25,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 873.81 ms. Allocated memory was 245.4 MB in the beginning and 296.7 MB in the end (delta: 51.4 MB). Free memory was 200.0 MB in the beginning and 209.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 52.2 MB. Max. memory is 14.2 GB. [2020-10-11 12:44:25,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.57 ms. Allocated memory is still 296.7 MB. Free memory was 209.5 MB in the beginning and 206.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 12:44:25,211 INFO L168 Benchmark]: Boogie Preprocessor took 41.94 ms. Allocated memory is still 296.7 MB. Free memory was 206.9 MB in the beginning and 204.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 12:44:25,212 INFO L168 Benchmark]: RCFGBuilder took 447.90 ms. Allocated memory is still 296.7 MB. Free memory was 204.4 MB in the beginning and 180.1 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-11 12:44:25,213 INFO L168 Benchmark]: TraceAbstraction took 3333.08 ms. Allocated memory was 296.7 MB in the beginning and 367.0 MB in the end (delta: 70.3 MB). Free memory was 180.1 MB in the beginning and 193.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 14.2 GB. [2020-10-11 12:44:25,217 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 245.4 MB. Free memory is still 221.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 873.81 ms. Allocated memory was 245.4 MB in the beginning and 296.7 MB in the end (delta: 51.4 MB). Free memory was 200.0 MB in the beginning and 209.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 52.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 64.57 ms. Allocated memory is still 296.7 MB. Free memory was 209.5 MB in the beginning and 206.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.94 ms. Allocated memory is still 296.7 MB. Free memory was 206.9 MB in the beginning and 204.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 447.90 ms. Allocated memory is still 296.7 MB. Free memory was 204.4 MB in the beginning and 180.1 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 3333.08 ms. Allocated memory was 296.7 MB in the beginning and 367.0 MB in the end (delta: 70.3 MB). Free memory was 180.1 MB in the beginning and 193.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 14.2 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 415 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 67 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.2s, 72 PlacesBefore, 27 PlacesAfterwards, 72 TransitionsBefore, 25 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 63 TotalNumberOfCompositions, 1649 MoverChecksTotal - 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: 3.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 52 SDtfs, 105 SDslu, 53 SDs, 0 SdLazy, 67 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=2, 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, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be incorrect! Received shutdown request...