/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/bigshot_p.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-14 12:36:53,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-14 12:36:53,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-14 12:36:53,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-14 12:36:53,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-14 12:36:53,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-14 12:36:53,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-14 12:36:53,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-14 12:36:53,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-14 12:36:53,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-14 12:36:53,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-14 12:36:53,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-14 12:36:53,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-14 12:36:53,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-14 12:36:53,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-14 12:36:53,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-14 12:36:53,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-14 12:36:53,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-14 12:36:53,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-14 12:36:53,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-14 12:36:53,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-14 12:36:53,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-14 12:36:53,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-14 12:36:53,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-14 12:36:53,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-14 12:36:53,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-14 12:36:53,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-14 12:36:53,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-14 12:36:53,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-14 12:36:53,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-14 12:36:53,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-14 12:36:53,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-14 12:36:53,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-14 12:36:53,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-14 12:36:53,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-14 12:36:53,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-14 12:36:53,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-14 12:36:53,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-14 12:36:53,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-14 12:36:53,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-14 12:36:53,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-14 12:36:53,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-14 12:36:53,182 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-14 12:36:53,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-14 12:36:53,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-14 12:36:53,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-14 12:36:53,184 INFO L138 SettingsManager]: * Use SBE=true [2020-09-14 12:36:53,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-14 12:36:53,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-14 12:36:53,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-14 12:36:53,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-14 12:36:53,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-14 12:36:53,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-14 12:36:53,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-14 12:36:53,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-14 12:36:53,186 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-14 12:36:53,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-14 12:36:53,186 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-14 12:36:53,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-14 12:36:53,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-14 12:36:53,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-14 12:36:53,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-14 12:36:53,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-14 12:36:53,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-14 12:36:53,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-14 12:36:53,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-14 12:36:53,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-14 12:36:53,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-14 12:36:53,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-14 12:36:53,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-14 12:36:53,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-14 12:36:53,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-14 12:36:54,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-14 12:36:54,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-14 12:36:54,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-14 12:36:54,171 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-14 12:36:54,172 INFO L275 PluginConnector]: CDTParser initialized [2020-09-14 12:36:54,173 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_p.i [2020-09-14 12:36:54,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46c2275d2/6c02b2b8215149bca73211db0d99167e/FLAG58e697f61 [2020-09-14 12:36:54,893 INFO L306 CDTParser]: Found 1 translation units. [2020-09-14 12:36:54,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/bigshot_p.i [2020-09-14 12:36:54,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46c2275d2/6c02b2b8215149bca73211db0d99167e/FLAG58e697f61 [2020-09-14 12:36:55,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46c2275d2/6c02b2b8215149bca73211db0d99167e [2020-09-14 12:36:55,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-14 12:36:55,145 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-14 12:36:55,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-14 12:36:55,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-14 12:36:55,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-14 12:36:55,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:36:55" (1/1) ... [2020-09-14 12:36:55,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74192949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:55, skipping insertion in model container [2020-09-14 12:36:55,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:36:55" (1/1) ... [2020-09-14 12:36:55,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-14 12:36:55,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-14 12:36:55,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:36:55,984 INFO L203 MainTranslator]: Completed pre-run [2020-09-14 12:36:56,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:36:56,234 INFO L208 MainTranslator]: Completed translation [2020-09-14 12:36:56,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56 WrapperNode [2020-09-14 12:36:56,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-14 12:36:56,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-14 12:36:56,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-14 12:36:56,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-14 12:36:56,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-14 12:36:56,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-14 12:36:56,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-14 12:36:56,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-14 12:36:56,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-14 12:36:56,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-14 12:36:56,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-14 12:36:56,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-14 12:36:56,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:36:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-14 12:36:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-14 12:36:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-14 12:36:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-14 12:36:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-14 12:36:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-14 12:36:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-14 12:36:56,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-14 12:36:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-14 12:36:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-14 12:36:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-14 12:36:56,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-14 12:36:56,435 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-14 12:36:56,957 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-14 12:36:56,957 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-09-14 12:36:56,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:36:56 BoogieIcfgContainer [2020-09-14 12:36:56,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-14 12:36:56,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-14 12:36:56,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-14 12:36:56,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-14 12:36:56,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 12:36:55" (1/3) ... [2020-09-14 12:36:56,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6b1c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:36:56, skipping insertion in model container [2020-09-14 12:36:56,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (2/3) ... [2020-09-14 12:36:56,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6b1c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:36:56, skipping insertion in model container [2020-09-14 12:36:56,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:36:56" (3/3) ... [2020-09-14 12:36:56,972 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2020-09-14 12:36:56,984 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-14 12:36:56,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-14 12:36:56,996 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-14 12:36:56,997 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-14 12:36:57,028 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,029 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,029 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,029 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,036 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,036 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,036 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,037 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,037 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,038 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,038 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,038 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,038 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,038 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,039 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,039 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,039 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,039 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,054 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,054 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,054 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,065 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,065 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,074 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,075 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-14 12:36:57,135 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 12:36:57,135 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 12:36:57,136 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 12:36:57,136 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 12:36:57,136 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 12:36:57,136 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 12:36:57,136 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 12:36:57,137 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 12:36:57,155 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 72 transitions, 166 flow [2020-09-14 12:36:57,158 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-09-14 12:36:57,208 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-09-14 12:36:57,208 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-14 12:36:57,214 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. [2020-09-14 12:36:57,217 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-09-14 12:36:57,239 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-09-14 12:36:57,239 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-14 12:36:57,240 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. [2020-09-14 12:36:57,242 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 568 [2020-09-14 12:36:57,244 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 12:36:58,843 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-09-14 12:36:59,376 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:36:59,441 INFO L206 etLargeBlockEncoding]: Checked pairs total: 773 [2020-09-14 12:36:59,441 INFO L214 etLargeBlockEncoding]: Total number of compositions: 61 [2020-09-14 12:36:59,446 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 25 transitions, 72 flow [2020-09-14 12:36:59,462 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 66 states. [2020-09-14 12:36:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-09-14 12:36:59,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-14 12:36:59,475 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:36:59,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:36:59,477 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:36:59,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:36:59,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1788700226, now seen corresponding path program 1 times [2020-09-14 12:36:59,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:36:59,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965620249] [2020-09-14 12:36:59,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:36:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:36:59,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:36:59,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965620249] [2020-09-14 12:36:59,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:36:59,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-14 12:36:59,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652712819] [2020-09-14 12:36:59,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-14 12:36:59,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:36:59,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-14 12:36:59,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-14 12:36:59,852 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 4 states. [2020-09-14 12:36:59,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:36:59,926 INFO L93 Difference]: Finished difference Result 66 states and 131 transitions. [2020-09-14 12:36:59,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-14 12:36:59,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-09-14 12:36:59,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:36:59,944 INFO L225 Difference]: With dead ends: 66 [2020-09-14 12:36:59,945 INFO L226 Difference]: Without dead ends: 65 [2020-09-14 12:36:59,947 INFO L675 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 [2020-09-14 12:36:59,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-09-14 12:36:59,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-09-14 12:36:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-14 12:36:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 130 transitions. [2020-09-14 12:36:59,999 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 130 transitions. Word has length 14 [2020-09-14 12:36:59,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:36:59,999 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 130 transitions. [2020-09-14 12:36:59,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-14 12:36:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2020-09-14 12:37:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-14 12:37:00,001 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:00,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:00,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-14 12:37:00,002 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:00,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:00,002 INFO L82 PathProgramCache]: Analyzing trace with hash -180019050, now seen corresponding path program 2 times [2020-09-14 12:37:00,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:00,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82695820] [2020-09-14 12:37:00,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:00,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:00,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82695820] [2020-09-14 12:37:00,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:00,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-14 12:37:00,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49712804] [2020-09-14 12:37:00,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-14 12:37:00,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:00,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-14 12:37:00,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-14 12:37:00,176 INFO L87 Difference]: Start difference. First operand 65 states and 130 transitions. Second operand 7 states. [2020-09-14 12:37:00,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:00,302 INFO L93 Difference]: Finished difference Result 88 states and 160 transitions. [2020-09-14 12:37:00,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-14 12:37:00,302 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-09-14 12:37:00,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:00,304 INFO L225 Difference]: With dead ends: 88 [2020-09-14 12:37:00,304 INFO L226 Difference]: Without dead ends: 79 [2020-09-14 12:37:00,305 INFO L675 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 [2020-09-14 12:37:00,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-14 12:37:00,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2020-09-14 12:37:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-09-14 12:37:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 138 transitions. [2020-09-14 12:37:00,316 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 138 transitions. Word has length 14 [2020-09-14 12:37:00,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:00,317 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 138 transitions. [2020-09-14 12:37:00,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-14 12:37:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2020-09-14 12:37:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-14 12:37:00,319 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:00,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:00,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-14 12:37:00,320 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:00,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:00,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1891628826, now seen corresponding path program 1 times [2020-09-14 12:37:00,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:00,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449744288] [2020-09-14 12:37:00,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 12:37:00,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 12:37:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 12:37:00,410 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 12:37:00,455 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-14 12:37:00,455 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-14 12:37:00,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-14 12:37:00,457 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-14 12:37:00,467 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [253] [253] L1107-->L1088: Formula: (let ((.cse4 (= ~v~0.offset_In-1409457934 0)) (.cse1 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1409457934| 1)) (.cse3 (= ~v~0.base_In-1409457934 0))) (or (let ((.cse0 (not |ULTIMATE.start_main_#t~short10_Out-1409457934|))) (and (or (and (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1409457934| 0) .cse0) (and |ULTIMATE.start_main_#t~short10_Out-1409457934| .cse1)) (= |ULTIMATE.start_main_#t~mem9_Out-1409457934| (select (select |#memory_int_In-1409457934| ~v~0.base_In-1409457934) ~v~0.offset_In-1409457934)) (let ((.cse2 (= 66 |ULTIMATE.start_main_#t~mem9_Out-1409457934|))) (or (and (not .cse2) .cse0) (and |ULTIMATE.start_main_#t~short10_Out-1409457934| .cse2))) (or (not .cse3) (not .cse4)))) (and .cse4 |ULTIMATE.start_main_#t~short10_Out-1409457934| (= |ULTIMATE.start_main_#t~mem9_In-1409457934| |ULTIMATE.start_main_#t~mem9_Out-1409457934|) .cse1 .cse3))) InVars {ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_In-1409457934|, ~v~0.offset=~v~0.offset_In-1409457934, #memory_int=|#memory_int_In-1409457934|, ~v~0.base=~v~0.base_In-1409457934} OutVars{ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_Out-1409457934|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-1409457934, ~v~0.offset=~v~0.offset_In-1409457934, #memory_int=|#memory_int_In-1409457934|, ULTIMATE.start_main_#t~short10=|ULTIMATE.start_main_#t~short10_Out-1409457934|, ~v~0.base=~v~0.base_In-1409457934, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1409457934|} 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 [2020-09-14 12:37:00,478 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,479 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,480 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,480 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,481 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,481 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,482 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,482 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,483 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,483 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,484 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,484 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,485 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,485 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,486 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,486 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,487 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,487 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,488 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,488 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,489 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,489 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-14 12:37:00,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 12:37:00 BasicIcfg [2020-09-14 12:37:00,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-14 12:37:00,512 INFO L168 Benchmark]: Toolchain (without parser) took 5371.97 ms. Allocated memory was 138.4 MB in the beginning and 251.7 MB in the end (delta: 113.2 MB). Free memory was 99.4 MB in the beginning and 132.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-09-14 12:37:00,512 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-14 12:37:00,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1086.72 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.8 MB in the beginning and 122.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2020-09-14 12:37:00,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.69 ms. Allocated memory is still 202.4 MB. Free memory was 122.2 MB in the beginning and 120.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-09-14 12:37:00,515 INFO L168 Benchmark]: Boogie Preprocessor took 39.83 ms. Allocated memory is still 202.4 MB. Free memory was 120.0 MB in the beginning and 117.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-09-14 12:37:00,516 INFO L168 Benchmark]: RCFGBuilder took 617.48 ms. Allocated memory is still 202.4 MB. Free memory was 117.9 MB in the beginning and 93.7 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-09-14 12:37:00,517 INFO L168 Benchmark]: TraceAbstraction took 3545.42 ms. Allocated memory was 202.4 MB in the beginning and 251.7 MB in the end (delta: 49.3 MB). Free memory was 93.0 MB in the beginning and 132.5 MB in the end (delta: -39.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-09-14 12:37:00,521 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1086.72 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.8 MB in the beginning and 122.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 68.69 ms. Allocated memory is still 202.4 MB. Free memory was 122.2 MB in the beginning and 120.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.83 ms. Allocated memory is still 202.4 MB. Free memory was 120.0 MB in the beginning and 117.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 617.48 ms. Allocated memory is still 202.4 MB. Free memory was 117.9 MB in the beginning and 93.7 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3545.42 ms. Allocated memory was 202.4 MB in the beginning and 251.7 MB in the end (delta: 49.3 MB). Free memory was 93.0 MB in the beginning and 132.5 MB in the end (delta: -39.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 72 ProgramPointsBefore, 27 ProgramPointsAfterwards, 72 TransitionsBefore, 25 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 288 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 23 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 773 CheckedPairsTotal, 61 TotalNumberOfCompositions - CounterExampleResult [Line: 1088]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1089] 0 char *v; [L1102] 0 pthread_t t1, t2; [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [v={0:0}] [L1104] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [v={0:0}] [L1105] 0 \read(t1) VAL [v={0:0}] [L1097] COND FALSE 2 !(\read(*v)) [L1098] 2 return 0; [L1092] 1 v = calloc(8, sizeof(char)) [L1093] 1 return 0; [L1105] FCALL, JOIN 1 pthread_join(t1, 0) VAL [v={3:0}] [L1106] 0 \read(t2) VAL [v={3:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [v={3:0}] [L1088] COND TRUE 0 !expression [L1088] 0 __VERIFIER_error() VAL [v={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.3s, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s 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...