/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 06:06:46,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 06:06:46,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 06:06:46,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 06:06:46,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 06:06:46,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 06:06:46,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 06:06:46,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 06:06:46,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 06:06:46,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 06:06:46,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 06:06:46,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 06:06:46,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 06:06:46,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 06:06:46,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 06:06:46,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 06:06:46,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 06:06:46,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 06:06:46,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 06:06:46,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 06:06:46,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 06:06:46,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 06:06:46,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 06:06:46,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 06:06:46,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 06:06:46,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 06:06:46,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 06:06:46,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 06:06:46,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 06:06:46,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 06:06:46,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 06:06:46,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 06:06:46,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 06:06:46,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 06:06:46,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 06:06:46,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 06:06:46,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 06:06:46,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 06:06:46,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 06:06:46,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 06:06:46,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 06:06:46,681 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-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 06:06:46,721 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 06:06:46,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 06:06:46,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 06:06:46,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 06:06:46,723 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 06:06:46,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 06:06:46,723 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 06:06:46,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 06:06:46,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 06:06:46,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 06:06:46,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 06:06:46,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 06:06:46,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 06:06:46,726 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 06:06:46,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 06:06:46,726 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 06:06:46,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 06:06:46,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 06:06:46,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 06:06:46,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 06:06:46,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 06:06:46,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 06:06:46,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 06:06:46,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 06:06:46,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 06:06:46,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 06:06:46,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 06:06:46,730 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 06:06:46,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 06:06:47,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 06:06:47,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 06:06:47,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 06:06:47,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 06:06:47,072 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 06:06:47,073 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-16 06:06:47,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8783b9faa/fd8242161fa8440badb2690a0115b044/FLAG5d5e95c2d [2020-10-16 06:06:47,637 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 06:06:47,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkJoinNotMod.c [2020-10-16 06:06:47,639 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 06:06:47,639 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-16 06:06:47,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8783b9faa/fd8242161fa8440badb2690a0115b044/FLAG5d5e95c2d [2020-10-16 06:06:48,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8783b9faa/fd8242161fa8440badb2690a0115b044 [2020-10-16 06:06:48,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 06:06:48,049 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 06:06:48,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 06:06:48,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 06:06:48,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 06:06:48,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b6779b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48, skipping insertion in model container [2020-10-16 06:06:48,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 06:06:48,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 06:06:48,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 06:06:48,349 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 06:06:48,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 06:06:48,383 INFO L208 MainTranslator]: Completed translation [2020-10-16 06:06:48,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48 WrapperNode [2020-10-16 06:06:48,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 06:06:48,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 06:06:48,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 06:06:48,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 06:06:48,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 06:06:48,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 06:06:48,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 06:06:48,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 06:06:48,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... [2020-10-16 06:06:48,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 06:06:48,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 06:06:48,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 06:06:48,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 06:06:48,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 06:06:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 06:06:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-16 06:06:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-16 06:06:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2020-10-16 06:06:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2020-10-16 06:06:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 06:06:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 06:06:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 06:06:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 06:06:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 06:06:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 06:06:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 06:06:48,507 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 06:06:48,828 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 06:06:48,828 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-16 06:06:48,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 06:06:48 BoogieIcfgContainer [2020-10-16 06:06:48,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 06:06:48,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 06:06:48,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 06:06:48,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 06:06:48,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 06:06:48" (1/3) ... [2020-10-16 06:06:48,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f7a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 06:06:48, skipping insertion in model container [2020-10-16 06:06:48,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:06:48" (2/3) ... [2020-10-16 06:06:48,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f7a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 06:06:48, skipping insertion in model container [2020-10-16 06:06:48,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 06:06:48" (3/3) ... [2020-10-16 06:06:48,842 INFO L111 eAbstractionObserver]: Analyzing ICFG forkJoinNotMod.c [2020-10-16 06:06:48,858 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 06:06:48,869 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-16 06:06:48,870 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 06:06:48,908 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,908 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,909 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,909 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,909 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,910 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,910 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,911 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,911 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,911 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,911 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,912 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,912 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,913 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,913 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,913 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,913 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,914 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,914 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,914 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,915 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,915 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,915 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,915 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,916 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,916 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,916 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,916 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,917 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,917 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,917 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,918 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,918 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,918 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,919 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,919 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,919 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,920 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,920 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,920 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,921 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,921 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,921 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,921 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,922 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,922 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,922 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,922 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,922 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,923 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,923 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,923 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,923 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,924 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,924 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,924 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,924 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,924 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,925 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,925 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,925 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,925 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,926 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,926 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,926 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,927 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,927 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,927 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,927 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,928 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,932 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,932 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,933 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,933 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,933 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,933 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,933 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,934 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,934 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,934 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,934 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,934 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,935 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,935 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,935 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,935 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,935 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,936 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,936 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,936 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,936 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem15.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,936 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,937 WARN L313 ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_~#result~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:06:48,961 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 06:06:48,994 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:06:48,994 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:06:48,995 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:06:48,995 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:06:48,995 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:06:48,995 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:06:48,995 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:06:48,995 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:06:49,013 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 158 flow [2020-10-16 06:06:49,068 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2020-10-16 06:06:49,068 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 06:06:49,071 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-16 06:06:49,072 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 75 transitions, 158 flow [2020-10-16 06:06:49,079 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 68 transitions, 142 flow [2020-10-16 06:06:49,082 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:06:49,085 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 68 transitions, 142 flow [2020-10-16 06:06:49,088 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 68 transitions, 142 flow [2020-10-16 06:06:49,089 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 68 transitions, 142 flow [2020-10-16 06:06:49,128 INFO L129 PetriNetUnfolder]: 0/68 cut-off events. [2020-10-16 06:06:49,129 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 06:06:49,129 INFO L80 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 68 events. 0/68 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-16 06:06:49,136 INFO L117 LiptonReduction]: Number of co-enabled transitions 496 [2020-10-16 06:06:50,540 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-16 06:06:51,131 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 06:06:51,203 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:06:51,211 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 06:06:51,275 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 06:06:51,276 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 06:06:51,277 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:125, output treesize:127 [2020-10-16 06:06:51,701 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-16 06:06:51,887 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 06:06:52,826 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2020-10-16 06:06:53,320 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-16 06:06:53,323 INFO L132 LiptonReduction]: Checked pairs total: 595 [2020-10-16 06:06:53,323 INFO L134 LiptonReduction]: Total number of compositions: 62 [2020-10-16 06:06:53,326 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4246 [2020-10-16 06:06:53,332 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 06:06:53,332 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:06:53,333 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:06:53,334 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:06:53,334 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 06:06:53,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:06:53,340 INFO L82 PathProgramCache]: Analyzing trace with hash 271090, now seen corresponding path program 1 times [2020-10-16 06:06:53,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:06:53,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452448770] [2020-10-16 06:06:53,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:06:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:06:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:06:53,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452448770] [2020-10-16 06:06:53,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:06:53,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:06:53,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578841653] [2020-10-16 06:06:53,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:06:53,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:06:53,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:06:53,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:06:53,581 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 137 [2020-10-16 06:06:53,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 28 flow. Second operand 3 states. [2020-10-16 06:06:53,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:06:53,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 137 [2020-10-16 06:06:53,585 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:06:53,655 INFO L129 PetriNetUnfolder]: 7/32 cut-off events. [2020-10-16 06:06:53,656 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 06:06:53,658 INFO L80 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 32 events. 7/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 78 event pairs, 1 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 50. Up to 18 conditions per place. [2020-10-16 06:06:53,659 INFO L132 encePairwiseOnDemand]: 129/137 looper letters, 9 selfloop transitions, 6 changer transitions 0/16 dead transitions. [2020-10-16 06:06:53,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 16 transitions, 68 flow [2020-10-16 06:06:53,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:06:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:06:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2020-10-16 06:06:53,678 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7128953771289538 [2020-10-16 06:06:53,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 293 transitions. [2020-10-16 06:06:53,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 293 transitions. [2020-10-16 06:06:53,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:06:53,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 293 transitions. [2020-10-16 06:06:53,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:06:53,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:06:53,697 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:06:53,700 INFO L185 Difference]: Start difference. First operand has 15 places, 11 transitions, 28 flow. Second operand 3 states and 293 transitions. [2020-10-16 06:06:53,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 16 transitions, 68 flow [2020-10-16 06:06:53,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 16 transitions, 64 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 06:06:53,709 INFO L241 Difference]: Finished difference. Result has 17 places, 15 transitions, 68 flow [2020-10-16 06:06:53,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=17, PETRI_TRANSITIONS=15} [2020-10-16 06:06:53,713 INFO L342 CegarLoopForPetriNet]: 15 programPoint places, 2 predicate places. [2020-10-16 06:06:53,714 INFO L481 AbstractCegarLoop]: Abstraction has has 17 places, 15 transitions, 68 flow [2020-10-16 06:06:53,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:06:53,714 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:06:53,714 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:06:53,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 06:06:53,715 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 06:06:53,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:06:53,715 INFO L82 PathProgramCache]: Analyzing trace with hash 271106, now seen corresponding path program 1 times [2020-10-16 06:06:53,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:06:53,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478396564] [2020-10-16 06:06:53,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:06:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:06:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:06:53,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478396564] [2020-10-16 06:06:53,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:06:53,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:06:53,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869673493] [2020-10-16 06:06:53,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:06:53,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:06:53,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:06:53,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:06:53,766 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 137 [2020-10-16 06:06:53,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 15 transitions, 68 flow. Second operand 3 states. [2020-10-16 06:06:53,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:06:53,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 137 [2020-10-16 06:06:53,767 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:06:53,810 INFO L129 PetriNetUnfolder]: 2/19 cut-off events. [2020-10-16 06:06:53,810 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2020-10-16 06:06:53,810 INFO L80 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 19 events. 2/19 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 39 event pairs, 1 based on Foata normal form. 5/24 useless extension candidates. Maximal degree in co-relation 29. Up to 10 conditions per place. [2020-10-16 06:06:53,811 INFO L132 encePairwiseOnDemand]: 134/137 looper letters, 1 selfloop transitions, 1 changer transitions 0/11 dead transitions. [2020-10-16 06:06:53,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 11 transitions, 52 flow [2020-10-16 06:06:53,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:06:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:06:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2020-10-16 06:06:53,819 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.878345498783455 [2020-10-16 06:06:53,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2020-10-16 06:06:53,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2020-10-16 06:06:53,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:06:53,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2020-10-16 06:06:53,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:06:53,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:06:53,828 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:06:53,828 INFO L185 Difference]: Start difference. First operand has 17 places, 15 transitions, 68 flow. Second operand 3 states and 361 transitions. [2020-10-16 06:06:53,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 11 transitions, 52 flow [2020-10-16 06:06:53,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 11 transitions, 44 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 06:06:53,829 INFO L241 Difference]: Finished difference. Result has 15 places, 11 transitions, 42 flow [2020-10-16 06:06:53,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=15, PETRI_TRANSITIONS=11} [2020-10-16 06:06:53,831 INFO L342 CegarLoopForPetriNet]: 15 programPoint places, 0 predicate places. [2020-10-16 06:06:53,832 INFO L481 AbstractCegarLoop]: Abstraction has has 15 places, 11 transitions, 42 flow [2020-10-16 06:06:53,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:06:53,832 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:06:53,832 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 06:06:53,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 06:06:53,832 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 06:06:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:06:53,833 INFO L82 PathProgramCache]: Analyzing trace with hash 8404746, now seen corresponding path program 1 times [2020-10-16 06:06:53,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:06:53,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331598939] [2020-10-16 06:06:53,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:06:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:06:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:06:53,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331598939] [2020-10-16 06:06:53,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:06:53,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:06:53,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180740307] [2020-10-16 06:06:53,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:06:53,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:06:53,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:06:53,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:06:53,927 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 137 [2020-10-16 06:06:53,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 42 flow. Second operand 5 states. [2020-10-16 06:06:53,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:06:53,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 137 [2020-10-16 06:06:53,928 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:06:53,978 INFO L129 PetriNetUnfolder]: 4/22 cut-off events. [2020-10-16 06:06:53,978 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 06:06:53,978 INFO L80 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 22 events. 4/22 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 39 event pairs, 1 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 54. Up to 11 conditions per place. [2020-10-16 06:06:53,979 INFO L132 encePairwiseOnDemand]: 132/137 looper letters, 7 selfloop transitions, 4 changer transitions 2/14 dead transitions. [2020-10-16 06:06:53,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 76 flow [2020-10-16 06:06:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 06:06:53,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 06:06:53,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 337 transitions. [2020-10-16 06:06:53,982 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.491970802919708 [2020-10-16 06:06:53,982 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 337 transitions. [2020-10-16 06:06:53,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 337 transitions. [2020-10-16 06:06:53,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:06:53,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 337 transitions. [2020-10-16 06:06:53,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 06:06:53,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 06:06:53,986 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 06:06:53,986 INFO L185 Difference]: Start difference. First operand has 15 places, 11 transitions, 42 flow. Second operand 5 states and 337 transitions. [2020-10-16 06:06:53,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 76 flow [2020-10-16 06:06:53,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 75 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:06:53,988 INFO L241 Difference]: Finished difference. Result has 20 places, 11 transitions, 59 flow [2020-10-16 06:06:53,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=59, PETRI_PLACES=20, PETRI_TRANSITIONS=11} [2020-10-16 06:06:53,988 INFO L342 CegarLoopForPetriNet]: 15 programPoint places, 5 predicate places. [2020-10-16 06:06:53,989 INFO L481 AbstractCegarLoop]: Abstraction has has 20 places, 11 transitions, 59 flow [2020-10-16 06:06:53,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:06:53,989 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:06:53,989 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 06:06:53,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 06:06:53,989 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2020-10-16 06:06:53,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:06:53,990 INFO L82 PathProgramCache]: Analyzing trace with hash 260548299, now seen corresponding path program 1 times [2020-10-16 06:06:53,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:06:53,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293008454] [2020-10-16 06:06:53,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:06:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:06:54,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:06:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:06:54,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:06:54,171 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:06:54,171 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:06:54,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 06:06:54,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 06:06:54 BasicIcfg [2020-10-16 06:06:54,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 06:06:54,229 INFO L168 Benchmark]: Toolchain (without parser) took 6179.91 ms. Allocated memory was 253.2 MB in the beginning and 424.7 MB in the end (delta: 171.4 MB). Free memory was 206.9 MB in the beginning and 362.8 MB in the end (delta: -155.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 14.2 GB. [2020-10-16 06:06:54,229 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 06:06:54,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.68 ms. Allocated memory was 253.2 MB in the beginning and 319.8 MB in the end (delta: 66.6 MB). Free memory was 206.9 MB in the beginning and 293.9 MB in the end (delta: -87.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-16 06:06:54,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.26 ms. Allocated memory is still 319.8 MB. Free memory was 293.9 MB in the beginning and 291.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 06:06:54,232 INFO L168 Benchmark]: Boogie Preprocessor took 23.72 ms. Allocated memory is still 319.8 MB. Free memory was 291.4 MB in the beginning and 288.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 06:06:54,233 INFO L168 Benchmark]: RCFGBuilder took 386.39 ms. Allocated memory is still 319.8 MB. Free memory was 288.9 MB in the beginning and 266.4 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 14.2 GB. [2020-10-16 06:06:54,234 INFO L168 Benchmark]: TraceAbstraction took 5394.39 ms. Allocated memory was 319.8 MB in the beginning and 424.7 MB in the end (delta: 104.9 MB). Free memory was 263.9 MB in the beginning and 362.8 MB in the end (delta: -98.9 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.2 GB. [2020-10-16 06:06:54,238 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 333.68 ms. Allocated memory was 253.2 MB in the beginning and 319.8 MB in the end (delta: 66.6 MB). Free memory was 206.9 MB in the beginning and 293.9 MB in the end (delta: -87.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 36.26 ms. Allocated memory is still 319.8 MB. Free memory was 293.9 MB in the beginning and 291.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 23.72 ms. Allocated memory is still 319.8 MB. Free memory was 291.4 MB in the beginning and 288.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 386.39 ms. Allocated memory is still 319.8 MB. Free memory was 288.9 MB in the beginning and 266.4 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5394.39 ms. Allocated memory was 319.8 MB in the beginning and 424.7 MB in the end (delta: 104.9 MB). Free memory was 263.9 MB in the beginning and 362.8 MB in the end (delta: -98.9 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 304 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 21 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 72 PlacesBefore, 15 PlacesAfterwards, 68 TransitionsBefore, 11 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 595 MoverChecksTotal - CounterExampleResult [Line: 33]: assertion can be violated assertion can be violated We found a FailurePath: [L14] 0 int globVar; [L27] 0 int locVar = 7; [L28] 0 globVar = 0 [L30] 0 pthread_t thread_id; [L32] FCALL, FORK 0 pthread_create(&thread_id, NULL, increment, &globVar) VAL [globVar={10:0}, n={10:0}] [L18] 1 int *result = (int *)n; [L18] EXPR 1 \read(*n) [L18] 1 int *result = (int *)n; [L19] EXPR 1 \read(*result) [L19] 1 (*result)++ [L20] 1 \read(*result) [L21] 1 \read(*result) [L23] EXPR 1 \read(*result) [L23] 1 return (void *)result; [L23] 1 return (void *)result; [L18] 1 int *result = (int *)n; [L23] 1 return (void *)result; [L33] FCALL 0 IdentifierExpression[globVar] [L33] 0 CodeAnnotStmt[Assertion] VAL [\result={10:0}, globVar={10:0}, n={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 9 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 26 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...