/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:59:12,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:59:12,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:59:12,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:59:12,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:59:12,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:59:12,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:59:12,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:59:12,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:59:12,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:59:13,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:59:13,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:59:13,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:59:13,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:59:13,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:59:13,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:59:13,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:59:13,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:59:13,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:59:13,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:59:13,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:59:13,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:59:13,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:59:13,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:59:13,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:59:13,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:59:13,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:59:13,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:59:13,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:59:13,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:59:13,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:59:13,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:59:13,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:59:13,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:59:13,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:59:13,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:59:13,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:59:13,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:59:13,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:59:13,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:59:13,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:59:13,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-17 10:59:13,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:59:13,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:59:13,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:59:13,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:59:13,063 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:59:13,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:59:13,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:59:13,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:59:13,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:59:13,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:59:13,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:59:13,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:59:13,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:59:13,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:59:13,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:59:13,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:59:13,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:59:13,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:59:13,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:59:13,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:59:13,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:59:13,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:59:13,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:59:13,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:59:13,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:59:13,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:59:13,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:59:13,068 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-17 10:59:13,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=FINITE_AUTOMATA [2019-12-17 10:59:13,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:59:13,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:59:13,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:59:13,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:59:13,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:59:13,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:59:13,383 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:59:13,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2019-12-17 10:59:13,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee433735/0e1c6e762fc74458b5864c03ba8a1b37/FLAGf3d5530aa [2019-12-17 10:59:13,960 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:59:13,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2019-12-17 10:59:13,961 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:59:13,961 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:59:14,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee433735/0e1c6e762fc74458b5864c03ba8a1b37/FLAGf3d5530aa [2019-12-17 10:59:14,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee433735/0e1c6e762fc74458b5864c03ba8a1b37 [2019-12-17 10:59:14,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:59:14,303 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:59:14,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:59:14,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:59:14,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:59:14,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542a8f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14, skipping insertion in model container [2019-12-17 10:59:14,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:59:14,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:59:14,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:59:14,590 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:59:14,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:59:14,622 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:59:14,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14 WrapperNode [2019-12-17 10:59:14,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:59:14,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:59:14,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:59:14,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:59:14,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:59:14,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:59:14,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:59:14,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:59:14,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (1/1) ... [2019-12-17 10:59:14,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:59:14,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:59:14,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:59:14,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:59:14,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (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 [2019-12-17 10:59:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:59:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-17 10:59:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-17 10:59:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2019-12-17 10:59:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2019-12-17 10:59:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:59:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-17 10:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-17 10:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:59:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:59:14,765 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-17 10:59:15,178 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:59:15,179 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:59:15,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:59:15 BoogieIcfgContainer [2019-12-17 10:59:15,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:59:15,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:59:15,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:59:15,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:59:15,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:59:14" (1/3) ... [2019-12-17 10:59:15,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b71739a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:59:15, skipping insertion in model container [2019-12-17 10:59:15,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:59:14" (2/3) ... [2019-12-17 10:59:15,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b71739a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:59:15, skipping insertion in model container [2019-12-17 10:59:15,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:59:15" (3/3) ... [2019-12-17 10:59:15,189 INFO L109 eAbstractionObserver]: Analyzing ICFG forkJoinNotMod.c [2019-12-17 10:59:15,200 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:59:15,200 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:59:15,208 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-17 10:59:15,209 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:59:15,240 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,243 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,243 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,244 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,244 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,244 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,245 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,245 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,246 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,246 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,246 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,247 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,247 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,247 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,247 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,248 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,248 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,248 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,248 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,249 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,249 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,249 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,250 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,250 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,250 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,250 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,251 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,251 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,251 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,251 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,252 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,252 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,252 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,253 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,253 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,253 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,253 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,254 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,254 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,254 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,255 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,255 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,255 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,256 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,256 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,257 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,257 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,257 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,257 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,259 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,259 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,259 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,260 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,260 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,260 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,260 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,260 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,261 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,261 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,261 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,261 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,262 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,263 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,263 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,263 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,264 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,266 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,266 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,267 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,267 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,275 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,275 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,275 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,275 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,276 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,276 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,276 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,276 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,283 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,285 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,286 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,286 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,286 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,287 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,288 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,288 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,289 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,289 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,289 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,289 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,290 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,290 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,290 WARN L315 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:59:15,336 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-17 10:59:15,358 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:59:15,358 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:59:15,358 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:59:15,358 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:59:15,359 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:59:15,359 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:59:15,359 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:59:15,359 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:59:15,388 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 75 transitions [2019-12-17 10:59:15,426 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 323 states. [2019-12-17 10:59:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2019-12-17 10:59:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-17 10:59:15,436 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:59:15,437 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:59:15,437 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:59:15,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:59:15,443 INFO L82 PathProgramCache]: Analyzing trace with hash -813219641, now seen corresponding path program 1 times [2019-12-17 10:59:15,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:59:15,452 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568588905] [2019-12-17 10:59:15,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:59:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:59:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:59:15,851 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568588905] [2019-12-17 10:59:15,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:59:15,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-17 10:59:15,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085531575] [2019-12-17 10:59:15,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-17 10:59:15,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:59:15,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-17 10:59:15,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-17 10:59:15,882 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 7 states. [2019-12-17 10:59:16,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:59:16,190 INFO L93 Difference]: Finished difference Result 351 states and 625 transitions. [2019-12-17 10:59:16,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-17 10:59:16,193 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-12-17 10:59:16,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:59:16,208 INFO L225 Difference]: With dead ends: 351 [2019-12-17 10:59:16,209 INFO L226 Difference]: Without dead ends: 345 [2019-12-17 10:59:16,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-17 10:59:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2019-12-17 10:59:16,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2019-12-17 10:59:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2019-12-17 10:59:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 619 transitions. [2019-12-17 10:59:16,305 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 619 transitions. Word has length 21 [2019-12-17 10:59:16,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:59:16,306 INFO L462 AbstractCegarLoop]: Abstraction has 345 states and 619 transitions. [2019-12-17 10:59:16,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-17 10:59:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 619 transitions. [2019-12-17 10:59:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-17 10:59:16,307 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:59:16,307 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:59:16,308 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:59:16,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:59:16,308 INFO L82 PathProgramCache]: Analyzing trace with hash 179977310, now seen corresponding path program 1 times [2019-12-17 10:59:16,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:59:16,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334518481] [2019-12-17 10:59:16,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:59:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:59:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:59:16,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334518481] [2019-12-17 10:59:16,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:59:16,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-17 10:59:16,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478461307] [2019-12-17 10:59:16,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-17 10:59:16,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:59:16,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-17 10:59:16,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-17 10:59:16,414 INFO L87 Difference]: Start difference. First operand 345 states and 619 transitions. Second operand 3 states. [2019-12-17 10:59:16,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:59:16,433 INFO L93 Difference]: Finished difference Result 312 states and 555 transitions. [2019-12-17 10:59:16,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-17 10:59:16,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-17 10:59:16,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:59:16,436 INFO L225 Difference]: With dead ends: 312 [2019-12-17 10:59:16,436 INFO L226 Difference]: Without dead ends: 310 [2019-12-17 10:59:16,437 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-17 10:59:16,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-12-17 10:59:16,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2019-12-17 10:59:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-12-17 10:59:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 553 transitions. [2019-12-17 10:59:16,473 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 553 transitions. Word has length 23 [2019-12-17 10:59:16,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:59:16,473 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 553 transitions. [2019-12-17 10:59:16,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-17 10:59:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 553 transitions. [2019-12-17 10:59:16,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-17 10:59:16,474 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:59:16,474 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:59:16,475 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:59:16,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:59:16,475 INFO L82 PathProgramCache]: Analyzing trace with hash 181118152, now seen corresponding path program 1 times [2019-12-17 10:59:16,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:59:16,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697083840] [2019-12-17 10:59:16,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:59:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:59:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:59:16,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697083840] [2019-12-17 10:59:16,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:59:16,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-17 10:59:16,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396941559] [2019-12-17 10:59:16,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-17 10:59:16,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:59:16,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-17 10:59:16,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-17 10:59:16,645 INFO L87 Difference]: Start difference. First operand 310 states and 553 transitions. Second operand 8 states. [2019-12-17 10:59:16,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:59:16,895 INFO L93 Difference]: Finished difference Result 322 states and 576 transitions. [2019-12-17 10:59:16,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-17 10:59:16,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-17 10:59:16,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:59:16,899 INFO L225 Difference]: With dead ends: 322 [2019-12-17 10:59:16,899 INFO L226 Difference]: Without dead ends: 322 [2019-12-17 10:59:16,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2019-12-17 10:59:16,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-12-17 10:59:16,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 292. [2019-12-17 10:59:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2019-12-17 10:59:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 517 transitions. [2019-12-17 10:59:16,911 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 517 transitions. Word has length 23 [2019-12-17 10:59:16,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:59:16,911 INFO L462 AbstractCegarLoop]: Abstraction has 292 states and 517 transitions. [2019-12-17 10:59:16,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-17 10:59:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 517 transitions. [2019-12-17 10:59:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-17 10:59:16,913 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:59:16,913 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:59:16,913 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:59:16,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:59:16,914 INFO L82 PathProgramCache]: Analyzing trace with hash -296907282, now seen corresponding path program 1 times [2019-12-17 10:59:16,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:59:16,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872405409] [2019-12-17 10:59:16,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:59:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:59:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:59:17,036 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:59:17,037 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:59:17,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:59:17 BasicIcfg [2019-12-17 10:59:17,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:59:17,123 INFO L168 Benchmark]: Toolchain (without parser) took 2819.38 ms. Allocated memory was 138.9 MB in the beginning and 235.4 MB in the end (delta: 96.5 MB). Free memory was 101.8 MB in the beginning and 131.0 MB in the end (delta: -29.2 MB). Peak memory consumption was 67.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:17,124 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-17 10:59:17,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.52 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.3 MB in the beginning and 181.4 MB in the end (delta: -80.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:17,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.88 ms. Allocated memory is still 203.9 MB. Free memory was 181.4 MB in the beginning and 179.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:17,127 INFO L168 Benchmark]: Boogie Preprocessor took 25.83 ms. Allocated memory is still 203.9 MB. Free memory was 179.3 MB in the beginning and 177.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:17,127 INFO L168 Benchmark]: RCFGBuilder took 485.35 ms. Allocated memory is still 203.9 MB. Free memory was 177.9 MB in the beginning and 154.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:17,129 INFO L168 Benchmark]: TraceAbstraction took 1934.12 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 154.1 MB in the beginning and 131.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:59:17,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 319.52 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 101.3 MB in the beginning and 181.4 MB in the end (delta: -80.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.88 ms. Allocated memory is still 203.9 MB. Free memory was 181.4 MB in the beginning and 179.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.83 ms. Allocated memory is still 203.9 MB. Free memory was 179.3 MB in the beginning and 177.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 485.35 ms. Allocated memory is still 203.9 MB. Free memory was 177.9 MB in the beginning and 154.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1934.12 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 154.1 MB in the beginning and 131.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 33]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 int globVar; VAL [globVar={11:0}] [L27] 0 int locVar = 7; VAL [globVar={11:0}] [L28] 0 globVar = 0 VAL [globVar={11:0}] [L30] 0 pthread_t thread_id; VAL [globVar={11:0}] [L32] FCALL, FORK 0 pthread_create(&thread_id, NULL, increment, &globVar) VAL [globVar={11:0}, n={11:0}] [L18] 1 int *result = (int *)n; VAL [globVar={11:0}, n={16:0}, n={11:0}, result={2:0}] [L18] EXPR 1 \read(*n) VAL [\read(*n)={11:0}, globVar={11:0}, n={16:0}, n={11:0}, result={2:0}] [L18] 1 int *result = (int *)n; VAL [\read(*n)={11:0}, globVar={11:0}, n={11:0}, n={16:0}, result={2:0}] [L19] EXPR 1 \read(*result) VAL [\read(*result)=0, \read(*result)={11:0}, globVar={11:0}, n={11:0}, n={16:0}, result={2:0}] [L19] 1 (*result)++ VAL [(*result)++=0, \read(*result)=0, \read(*result)={11:0}, globVar={11:0}, n={16:0}, n={11:0}, result={2:0}] [L33] FCALL 0 IdentifierExpression[globVar] VAL [(*result)++=0, \read(*result)=0, \read(*result)={11:0}, globVar={11:0}, n={11:0}, n={16:0}, result={2:0}] [L33] 0 CodeAnnotStmt[Assertion] VAL [(*result)++=0, \read(*result)=0, \read(*result)={11:0}, globVar={11:0}, n={16:0}, n={11:0}, result={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 4 error locations. Result: UNSAFE, OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 230 SDtfs, 227 SDslu, 524 SDs, 0 SdLazy, 217 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=345occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 5626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...