/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:43:51,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:43:51,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:43:51,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 21:43:51,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 21:43:51,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 21:43:51,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 21:43:51,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 21:43:51,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 21:43:51,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 21:43:51,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 21:43:51,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 21:43:51,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:43:51,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:43:51,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:43:51,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:43:51,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:43:51,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:43:51,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:43:51,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:43:51,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:43:51,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:43:51,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:43:51,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:43:51,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 21:43:51,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-12 21:43:51,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-12 21:43:51,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-12 21:43:51,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-12 21:43:51,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-12 21:43:51,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-12 21:43:52,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-12 21:43:52,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-12 21:43:52,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 21:43:52,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 21:43:52,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 21:43:52,005 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-NoLbe.epf [2021-08-12 21:43:52,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:43:52,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:43:52,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:43:52,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:43:52,037 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:43:52,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:43:52,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:43:52,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:43:52,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:43:52,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:43:52,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:43:52,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:43:52,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:43:52,039 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:43:52,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:43:52,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:43:52,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:43:52,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:43:52,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:43:52,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:43:52,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:43:52,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:43:52,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:43:52,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:43:52,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:43:52,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:43:52,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:43:52,040 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:43:52,041 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:43:52,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:43:52,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:43:52,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:43:52,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:43:52,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:43:52,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 21:43:52,322 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 21:43:52,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-08-12 21:43:52,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f452e8fac/9826ecd5976f4ea0ac2f9299bee8d103/FLAGd36dad289 [2021-08-12 21:43:52,782 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 21:43:52,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-08-12 21:43:52,783 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-12 21:43:52,783 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-12 21:43:52,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f452e8fac/9826ecd5976f4ea0ac2f9299bee8d103/FLAGd36dad289 [2021-08-12 21:43:52,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f452e8fac/9826ecd5976f4ea0ac2f9299bee8d103 [2021-08-12 21:43:52,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:43:52,826 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 21:43:52,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 21:43:52,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 21:43:52,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 21:43:52,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:52,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c4b7cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52, skipping insertion in model container [2021-08-12 21:43:52,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:52,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 21:43:52,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 21:43:52,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:43:52,962 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 21:43:52,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:43:52,979 INFO L208 MainTranslator]: Completed translation [2021-08-12 21:43:52,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52 WrapperNode [2021-08-12 21:43:52,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 21:43:52,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:43:52,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:43:52,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:43:52,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:52,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:53,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:43:53,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:43:53,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:43:53,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:43:53,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:53,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:53,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:53,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:53,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:53,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:53,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (1/1) ... [2021-08-12 21:43:53,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:43:53,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:43:53,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:43:53,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:43:53,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (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 [2021-08-12 21:43:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 21:43:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-08-12 21:43:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-08-12 21:43:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:43:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:43:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-12 21:43:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 21:43:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 21:43:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-08-12 21:43:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2021-08-12 21:43:53,120 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:43:53,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:43:53,358 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-12 21:43:53,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:43:53 BoogieIcfgContainer [2021-08-12 21:43:53,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:43:53,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:43:53,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:43:53,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:43:53,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 09:43:52" (1/3) ... [2021-08-12 21:43:53,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1faffc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:43:53, skipping insertion in model container [2021-08-12 21:43:53,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:43:52" (2/3) ... [2021-08-12 21:43:53,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1faffc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:43:53, skipping insertion in model container [2021-08-12 21:43:53,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:43:53" (3/3) ... [2021-08-12 21:43:53,365 INFO L111 eAbstractionObserver]: Analyzing ICFG ThreadIdTest2.c [2021-08-12 21:43:53,369 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:43:53,370 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 21:43:53,370 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:43:53,418 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,418 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,418 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,418 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,418 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,418 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,419 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,419 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,419 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,419 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,419 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,419 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,419 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,420 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,420 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,420 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,420 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,420 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,421 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,421 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,421 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,421 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,421 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,421 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,421 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,421 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,422 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,422 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,422 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,422 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,422 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,423 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,423 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,423 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,423 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,423 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,425 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,425 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,425 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,425 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,425 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,434 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,434 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,434 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,435 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,435 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:43:53,446 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-12 21:43:53,462 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-12 21:43:53,490 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:43:53,491 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:43:53,491 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:43:53,491 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:43:53,491 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:43:53,491 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:43:53,491 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:43:53,491 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:43:53,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 48 transitions, 112 flow [2021-08-12 21:43:53,542 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-08-12 21:43:53,543 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-12 21:43:53,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 57 events. 0/57 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-08-12 21:43:53,544 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 48 transitions, 112 flow [2021-08-12 21:43:53,556 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 38 transitions, 88 flow [2021-08-12 21:43:53,571 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-08-12 21:43:53,571 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-12 21:43:53,571 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:43:53,572 INFO L266 CegarLoopForPetriNet]: 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] [2021-08-12 21:43:53,572 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:43:53,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:43:53,577 INFO L82 PathProgramCache]: Analyzing trace with hash 812962678, now seen corresponding path program 1 times [2021-08-12 21:43:53,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:43:53,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120770613] [2021-08-12 21:43:53,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:43:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:43:53,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:53,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:43:53,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:53,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:43:53,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:43:53,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:43:53,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120770613] [2021-08-12 21:43:53,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120770613] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:43:53,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:43:53,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 21:43:53,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536812679] [2021-08-12 21:43:53,743 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:43:53,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:43:53,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:43:53,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:43:53,754 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 48 [2021-08-12 21:43:53,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:53,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:43:53,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 48 [2021-08-12 21:43:53,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:43:53,831 INFO L129 PetriNetUnfolder]: 6/78 cut-off events. [2021-08-12 21:43:53,831 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-08-12 21:43:53,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 78 events. 6/78 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 185 event pairs, 4 based on Foata normal form. 6/81 useless extension candidates. Maximal degree in co-relation 76. Up to 19 conditions per place. [2021-08-12 21:43:53,834 INFO L132 encePairwiseOnDemand]: 44/48 looper letters, 9 selfloop transitions, 3 changer transitions 0/42 dead transitions. [2021-08-12 21:43:53,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 42 transitions, 120 flow [2021-08-12 21:43:53,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:43:53,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:43:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 130 transitions. [2021-08-12 21:43:53,845 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2021-08-12 21:43:53,846 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 130 transitions. [2021-08-12 21:43:53,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 130 transitions. [2021-08-12 21:43:53,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:43:53,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 130 transitions. [2021-08-12 21:43:53,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:53,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:53,854 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:53,855 INFO L348 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2021-08-12 21:43:53,855 INFO L482 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 120 flow [2021-08-12 21:43:53,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:53,855 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:43:53,855 INFO L266 CegarLoopForPetriNet]: 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, 1, 1] [2021-08-12 21:43:53,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:43:53,856 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:43:53,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:43:53,856 INFO L82 PathProgramCache]: Analyzing trace with hash -302526151, now seen corresponding path program 1 times [2021-08-12 21:43:53,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:43:53,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906670599] [2021-08-12 21:43:53,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:43:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:43:53,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:53,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:43:53,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:53,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:43:53,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:43:53,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:53,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:43:53,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:53,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:43:53,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:53,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:43:53,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:53,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:43:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:43:54,001 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:43:54,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906670599] [2021-08-12 21:43:54,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906670599] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:43:54,002 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:43:54,002 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 21:43:54,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878512468] [2021-08-12 21:43:54,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 21:43:54,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:43:54,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 21:43:54,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-12 21:43:54,008 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 48 [2021-08-12 21:43:54,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 120 flow. Second operand has 8 states, 8 states have (on average 36.375) internal successors, (291), 8 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:43:54,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 48 [2021-08-12 21:43:54,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:43:54,192 INFO L129 PetriNetUnfolder]: 24/130 cut-off events. [2021-08-12 21:43:54,192 INFO L130 PetriNetUnfolder]: For 34/42 co-relation queries the response was YES. [2021-08-12 21:43:54,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 130 events. 24/130 cut-off events. For 34/42 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 443 event pairs, 8 based on Foata normal form. 2/127 useless extension candidates. Maximal degree in co-relation 187. Up to 54 conditions per place. [2021-08-12 21:43:54,194 INFO L132 encePairwiseOnDemand]: 39/48 looper letters, 15 selfloop transitions, 8 changer transitions 14/63 dead transitions. [2021-08-12 21:43:54,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 63 transitions, 265 flow [2021-08-12 21:43:54,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 21:43:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 21:43:54,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 420 transitions. [2021-08-12 21:43:54,200 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7954545454545454 [2021-08-12 21:43:54,201 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 420 transitions. [2021-08-12 21:43:54,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 420 transitions. [2021-08-12 21:43:54,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:43:54,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 420 transitions. [2021-08-12 21:43:54,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 38.18181818181818) internal successors, (420), 11 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 48.0) internal successors, (576), 12 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,208 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 48.0) internal successors, (576), 12 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,208 INFO L348 CegarLoopForPetriNet]: 44 programPoint places, 12 predicate places. [2021-08-12 21:43:54,208 INFO L482 AbstractCegarLoop]: Abstraction has has 56 places, 63 transitions, 265 flow [2021-08-12 21:43:54,208 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.375) internal successors, (291), 8 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,209 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:43:54,209 INFO L266 CegarLoopForPetriNet]: 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, 1, 1] [2021-08-12 21:43:54,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 21:43:54,209 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:43:54,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:43:54,210 INFO L82 PathProgramCache]: Analyzing trace with hash -68351301, now seen corresponding path program 2 times [2021-08-12 21:43:54,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:43:54,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870306321] [2021-08-12 21:43:54,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:43:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:43:54,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:43:54,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:43:54,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:43:54,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:43:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:43:54,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:43:54,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870306321] [2021-08-12 21:43:54,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870306321] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:43:54,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:43:54,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-12 21:43:54,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601966425] [2021-08-12 21:43:54,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 21:43:54,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:43:54,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 21:43:54,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 21:43:54,298 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 48 [2021-08-12 21:43:54,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 63 transitions, 265 flow. Second operand has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:43:54,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 48 [2021-08-12 21:43:54,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:43:54,382 INFO L129 PetriNetUnfolder]: 25/151 cut-off events. [2021-08-12 21:43:54,382 INFO L130 PetriNetUnfolder]: For 91/108 co-relation queries the response was YES. [2021-08-12 21:43:54,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 151 events. 25/151 cut-off events. For 91/108 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 601 event pairs, 9 based on Foata normal form. 2/149 useless extension candidates. Maximal degree in co-relation 248. Up to 61 conditions per place. [2021-08-12 21:43:54,384 INFO L132 encePairwiseOnDemand]: 42/48 looper letters, 15 selfloop transitions, 6 changer transitions 19/68 dead transitions. [2021-08-12 21:43:54,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 369 flow [2021-08-12 21:43:54,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 21:43:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-12 21:43:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 240 transitions. [2021-08-12 21:43:54,386 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-08-12 21:43:54,386 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 240 transitions. [2021-08-12 21:43:54,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 240 transitions. [2021-08-12 21:43:54,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:43:54,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 240 transitions. [2021-08-12 21:43:54,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 48.0) internal successors, (336), 7 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,388 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 48.0) internal successors, (336), 7 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,388 INFO L348 CegarLoopForPetriNet]: 44 programPoint places, 17 predicate places. [2021-08-12 21:43:54,388 INFO L482 AbstractCegarLoop]: Abstraction has has 61 places, 68 transitions, 369 flow [2021-08-12 21:43:54,389 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,389 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:43:54,389 INFO L266 CegarLoopForPetriNet]: 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, 1, 1] [2021-08-12 21:43:54,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 21:43:54,389 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:43:54,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:43:54,390 INFO L82 PathProgramCache]: Analyzing trace with hash 799009275, now seen corresponding path program 3 times [2021-08-12 21:43:54,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:43:54,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109287740] [2021-08-12 21:43:54,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:43:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:43:54,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:43:54,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:43:54,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:43:54,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:43:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:43:54,456 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:43:54,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109287740] [2021-08-12 21:43:54,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109287740] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:43:54,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:43:54,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-12 21:43:54,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271746503] [2021-08-12 21:43:54,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 21:43:54,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:43:54,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 21:43:54,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-12 21:43:54,458 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 48 [2021-08-12 21:43:54,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 68 transitions, 369 flow. Second operand has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:43:54,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 48 [2021-08-12 21:43:54,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:43:54,515 INFO L129 PetriNetUnfolder]: 24/152 cut-off events. [2021-08-12 21:43:54,515 INFO L130 PetriNetUnfolder]: For 169/204 co-relation queries the response was YES. [2021-08-12 21:43:54,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 152 events. 24/152 cut-off events. For 169/204 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 604 event pairs, 8 based on Foata normal form. 2/150 useless extension candidates. Maximal degree in co-relation 293. Up to 62 conditions per place. [2021-08-12 21:43:54,516 INFO L132 encePairwiseOnDemand]: 42/48 looper letters, 14 selfloop transitions, 3 changer transitions 25/70 dead transitions. [2021-08-12 21:43:54,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 70 transitions, 461 flow [2021-08-12 21:43:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 21:43:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-12 21:43:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 241 transitions. [2021-08-12 21:43:54,517 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8368055555555556 [2021-08-12 21:43:54,518 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 241 transitions. [2021-08-12 21:43:54,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 241 transitions. [2021-08-12 21:43:54,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:43:54,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 241 transitions. [2021-08-12 21:43:54,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 48.0) internal successors, (336), 7 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,519 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 48.0) internal successors, (336), 7 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,519 INFO L348 CegarLoopForPetriNet]: 44 programPoint places, 22 predicate places. [2021-08-12 21:43:54,519 INFO L482 AbstractCegarLoop]: Abstraction has has 66 places, 70 transitions, 461 flow [2021-08-12 21:43:54,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 38.8) internal successors, (194), 5 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,519 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:43:54,520 INFO L266 CegarLoopForPetriNet]: 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, 1, 1] [2021-08-12 21:43:54,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 21:43:54,520 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:43:54,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:43:54,520 INFO L82 PathProgramCache]: Analyzing trace with hash -14041987, now seen corresponding path program 4 times [2021-08-12 21:43:54,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:43:54,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522601150] [2021-08-12 21:43:54,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:43:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:43:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:43:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:43:54,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:43:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:43:54,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:43:54,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:43:54,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:43:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:43:54,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:43:54,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522601150] [2021-08-12 21:43:54,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522601150] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:43:54,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:43:54,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 21:43:54,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282901192] [2021-08-12 21:43:54,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 21:43:54,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:43:54,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 21:43:54,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-12 21:43:54,606 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 48 [2021-08-12 21:43:54,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 70 transitions, 461 flow. Second operand has 8 states, 8 states have (on average 36.375) internal successors, (291), 8 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:43:54,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 48 [2021-08-12 21:43:54,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:43:54,708 INFO L129 PetriNetUnfolder]: 27/162 cut-off events. [2021-08-12 21:43:54,708 INFO L130 PetriNetUnfolder]: For 282/355 co-relation queries the response was YES. [2021-08-12 21:43:54,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 162 events. 27/162 cut-off events. For 282/355 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 676 event pairs, 6 based on Foata normal form. 5/164 useless extension candidates. Maximal degree in co-relation 384. Up to 68 conditions per place. [2021-08-12 21:43:54,709 INFO L132 encePairwiseOnDemand]: 39/48 looper letters, 13 selfloop transitions, 8 changer transitions 37/83 dead transitions. [2021-08-12 21:43:54,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 83 transitions, 684 flow [2021-08-12 21:43:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 21:43:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 21:43:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 421 transitions. [2021-08-12 21:43:54,710 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7973484848484849 [2021-08-12 21:43:54,710 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 421 transitions. [2021-08-12 21:43:54,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 421 transitions. [2021-08-12 21:43:54,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:43:54,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 421 transitions. [2021-08-12 21:43:54,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 38.27272727272727) internal successors, (421), 11 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 48.0) internal successors, (576), 12 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,712 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 48.0) internal successors, (576), 12 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,713 INFO L348 CegarLoopForPetriNet]: 44 programPoint places, 32 predicate places. [2021-08-12 21:43:54,713 INFO L482 AbstractCegarLoop]: Abstraction has has 76 places, 83 transitions, 684 flow [2021-08-12 21:43:54,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.375) internal successors, (291), 8 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,713 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:43:54,713 INFO L266 CegarLoopForPetriNet]: 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, 1, 1] [2021-08-12 21:43:54,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 21:43:54,713 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:43:54,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:43:54,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2125587060, now seen corresponding path program 1 times [2021-08-12 21:43:54,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:43:54,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455353197] [2021-08-12 21:43:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:43:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:43:54,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:43:54,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:43:54,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 21:43:54,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-12 21:43:54,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 21:43:54,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 21:43:54,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 21:43:54,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:43:54,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 21:43:54,915 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 21:43:54,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-12 21:43:54,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:43:54,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:43:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:43:54,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:43:54,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455353197] [2021-08-12 21:43:54,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455353197] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:43:54,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:43:54,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-12 21:43:54,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392014375] [2021-08-12 21:43:54,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 21:43:54,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:43:54,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 21:43:54,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-08-12 21:43:54,980 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 48 [2021-08-12 21:43:54,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 83 transitions, 684 flow. Second operand has 11 states, 11 states have (on average 27.545454545454547) internal successors, (303), 11 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:54,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:43:54,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 48 [2021-08-12 21:43:54,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:43:55,232 INFO L129 PetriNetUnfolder]: 24/133 cut-off events. [2021-08-12 21:43:55,232 INFO L130 PetriNetUnfolder]: For 226/321 co-relation queries the response was YES. [2021-08-12 21:43:55,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 133 events. 24/133 cut-off events. For 226/321 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 461 event pairs, 3 based on Foata normal form. 22/152 useless extension candidates. Maximal degree in co-relation 405. Up to 57 conditions per place. [2021-08-12 21:43:55,233 INFO L132 encePairwiseOnDemand]: 35/48 looper letters, 0 selfloop transitions, 0 changer transitions 79/79 dead transitions. [2021-08-12 21:43:55,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 79 transitions, 681 flow [2021-08-12 21:43:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 21:43:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 21:43:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 356 transitions. [2021-08-12 21:43:55,235 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.5705128205128205 [2021-08-12 21:43:55,235 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 356 transitions. [2021-08-12 21:43:55,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 356 transitions. [2021-08-12 21:43:55,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:43:55,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 356 transitions. [2021-08-12 21:43:55,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 27.384615384615383) internal successors, (356), 13 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:55,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 48.0) internal successors, (672), 14 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:55,237 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 48.0) internal successors, (672), 14 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:55,237 INFO L348 CegarLoopForPetriNet]: 44 programPoint places, 43 predicate places. [2021-08-12 21:43:55,237 INFO L482 AbstractCegarLoop]: Abstraction has has 87 places, 79 transitions, 681 flow [2021-08-12 21:43:55,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.545454545454547) internal successors, (303), 11 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:43:55,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 21:43:55,336 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 24322 in 93864969ns [2021-08-12 21:43:55,338 INFO L113 kiGriesValidityCheck]: 32#(and (not v_np22_1) (not v_np37_1) (<= |#pthreadsForks| (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np42_1) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np31_1 (not v_np21_1) (not v_np19_1) (not v_np29_1) (<= (+ |ULTIMATE.start_main_#t~pre2| 1) |#pthreadsForks|) (not v_np26_1) (not v_np33_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1) v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not (= |ULTIMATE.start_main_~#second_th_id~0.base| |ULTIMATE.start_main_~#first_th_id~0.base|)) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (<= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |#pthreadsForks|) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np28_1) (not v_np41_1) (<= |#pthreadsForks| (+ |ULTIMATE.start_main_#t~pre2| 1)) v_np40_1 (not v_np35_1) (= (select |#valid| |ULTIMATE.start_main_~#first_th_id~0.base|) 1)) [2021-08-12 21:43:55,342 INFO L113 kiGriesValidityCheck]: 5#(and (not v_np22_1) (not v_np37_1) (<= |#pthreadsForks| (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np42_1) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#second_th_id~0.base| (store (select |#memory_int| |ULTIMATE.start_main_~#second_th_id~0.base|) |ULTIMATE.start_main_~#second_th_id~0.offset| |ULTIMATE.start_main_#t~pre4|)) |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |ULTIMATE.start_main_#t~pre4|) (not v_np21_1) v_np17_1 (not v_np19_1) (not v_np29_1) (not v_np26_1) (not v_np33_1) (= ~x~0 0) v_np4_1 (not v_np0_1) (not v_np30_1) v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not (= |ULTIMATE.start_main_~#second_th_id~0.base| |ULTIMATE.start_main_~#first_th_id~0.base|)) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (<= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |#pthreadsForks|) (not v_np15_1) (<= |ULTIMATE.start_main_#t~pre4| (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~#second_th_id~0.base| (store (select |#memory_int| |ULTIMATE.start_main_~#second_th_id~0.base|) |ULTIMATE.start_main_~#second_th_id~0.offset| |ULTIMATE.start_main_#t~pre4|)) |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np2_1) (not v_np18_1) (not v_np28_1) (not v_np41_1) v_np40_1 (not v_np35_1) (= (select |#valid| |ULTIMATE.start_main_~#first_th_id~0.base|) 1)) [2021-08-12 21:43:55,345 INFO L113 kiGriesValidityCheck]: 17#(or (and (not v_np22_1) (not v_np37_1) (<= |#pthreadsForks| (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np42_1) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) (not v_np19_1) (not v_np29_1) (<= (+ |ULTIMATE.start_main_#t~pre2| 1) |#pthreadsForks|) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not (= |ULTIMATE.start_main_~#second_th_id~0.base| |ULTIMATE.start_main_~#first_th_id~0.base|)) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (<= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |#pthreadsForks|) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) v_np1_1 (not v_np28_1) (not v_np41_1) (<= |#pthreadsForks| (+ |ULTIMATE.start_main_#t~pre2| 1)) v_np40_1 (not v_np35_1) (= (select |#valid| |ULTIMATE.start_main_~#first_th_id~0.base|) 1)) (and (not v_np22_1) (not v_np37_1) (<= |#pthreadsForks| (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np42_1) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 (not v_np19_1) (not v_np29_1) (<= (+ |ULTIMATE.start_main_#t~pre2| 1) |#pthreadsForks|) (not v_np26_1) (not v_np33_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1) v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not (= |ULTIMATE.start_main_~#second_th_id~0.base| |ULTIMATE.start_main_~#first_th_id~0.base|)) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (<= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |#pthreadsForks|) (not v_np15_1) (not v_np2_1) v_np16_1 (not v_np18_1) (not v_np28_1) (not v_np41_1) (<= |#pthreadsForks| (+ |ULTIMATE.start_main_#t~pre2| 1)) v_np40_1 (not v_np35_1) (= (select |#valid| |ULTIMATE.start_main_~#first_th_id~0.base|) 1)) (and (not v_np22_1) (not v_np37_1) v_np26_1 (<= |#pthreadsForks| (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np42_1) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) (not v_np19_1) (not v_np29_1) (<= (+ |ULTIMATE.start_main_#t~pre2| 1) |#pthreadsForks|) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not (= |ULTIMATE.start_main_~#second_th_id~0.base| |ULTIMATE.start_main_~#first_th_id~0.base|)) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (<= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |#pthreadsForks|) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np28_1) (not v_np41_1) (<= |#pthreadsForks| (+ |ULTIMATE.start_main_#t~pre2| 1)) v_np40_1 (not v_np35_1) (= (select |#valid| |ULTIMATE.start_main_~#first_th_id~0.base|) 1)) (and (not v_np22_1) (not v_np37_1) (<= |#pthreadsForks| (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np42_1) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) (not v_np19_1) (not v_np29_1) (<= (+ |ULTIMATE.start_main_#t~pre2| 1) |#pthreadsForks|) (not v_np26_1) (not v_np33_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1) v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not (= |ULTIMATE.start_main_~#second_th_id~0.base| |ULTIMATE.start_main_~#first_th_id~0.base|)) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (not v_np15_1) (<= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |#pthreadsForks|) (not v_np2_1) (not v_np17_1) v_np16_1 (= |incThread1of1ForFork0_#t~post0| 0) (not v_np18_1) (not v_np28_1) (not v_np41_1) (<= |#pthreadsForks| (+ |ULTIMATE.start_main_#t~pre2| 1)) v_np40_1 (not v_np35_1) (= (select |#valid| |ULTIMATE.start_main_~#first_th_id~0.base|) 1)) (and (not v_np22_1) (not v_np37_1) (<= |#pthreadsForks| (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np42_1) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np21_1) (not v_np19_1) (not v_np29_1) (<= (+ |ULTIMATE.start_main_#t~pre2| 1) |#pthreadsForks|) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not (= |ULTIMATE.start_main_~#second_th_id~0.base| |ULTIMATE.start_main_~#first_th_id~0.base|)) (not v_np7_1) (not v_np27_1) (not v_np9_1) v_np13_1 (not v_np24_1) (not v_np10_1) (<= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |#pthreadsForks|) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np28_1) (not v_np41_1) (<= |#pthreadsForks| (+ |ULTIMATE.start_main_#t~pre2| 1)) v_np40_1 (not v_np35_1) (= (select |#valid| |ULTIMATE.start_main_~#first_th_id~0.base|) 1)) (and (not v_np22_1) (not v_np37_1) (<= |#pthreadsForks| (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np42_1) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np31_1 (not v_np21_1) (not v_np19_1) (not v_np29_1) (<= (+ |ULTIMATE.start_main_#t~pre2| 1) |#pthreadsForks|) (not v_np26_1) (not v_np33_1) (= ~x~0 0) (not v_np0_1) (not v_np30_1) v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not (= |ULTIMATE.start_main_~#second_th_id~0.base| |ULTIMATE.start_main_~#first_th_id~0.base|)) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (<= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |#pthreadsForks|) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np28_1) (not v_np41_1) (<= |#pthreadsForks| (+ |ULTIMATE.start_main_#t~pre2| 1)) v_np40_1 (not v_np35_1) (= (select |#valid| |ULTIMATE.start_main_~#first_th_id~0.base|) 1)) (and (not v_np22_1) (not v_np37_1) (<= |#pthreadsForks| (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1)) (not v_np42_1) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np36_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) (not v_np19_1) (not v_np29_1) (<= (+ |ULTIMATE.start_main_#t~pre2| 1) |#pthreadsForks|) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np24_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not (= |ULTIMATE.start_main_~#second_th_id~0.base| |ULTIMATE.start_main_~#first_th_id~0.base|)) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np10_1) (<= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#first_th_id~0.base|) |ULTIMATE.start_main_~#first_th_id~0.offset|) 1) |#pthreadsForks|) (not v_np15_1) (not v_np2_1) (not v_np17_1) v_np16_1 (not v_np18_1) (not v_np28_1) (not v_np41_1) (<= |#pthreadsForks| (+ |ULTIMATE.start_main_#t~pre2| 1)) v_np40_1 (not v_np35_1) (= (select |#valid| |ULTIMATE.start_main_~#first_th_id~0.base|) 1))) [2021-08-12 21:43:55,395 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 63903415ns [2021-08-12 21:43:55,396 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid Owicki-Gries annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-12 21:43:55,400 INFO L168 Benchmark]: Toolchain (without parser) took 2573.56 ms. Allocated memory was 204.5 MB in the beginning and 261.1 MB in the end (delta: 56.6 MB). Free memory was 168.0 MB in the beginning and 193.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 8.0 GB. [2021-08-12 21:43:55,401 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 204.5 MB. Free memory was 186.5 MB in the beginning and 186.4 MB in the end (delta: 113.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:43:55,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.14 ms. Allocated memory is still 204.5 MB. Free memory was 167.8 MB in the beginning and 159.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-12 21:43:55,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 204.5 MB. Free memory was 158.8 MB in the beginning and 188.0 MB in the end (delta: -29.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-08-12 21:43:55,403 INFO L168 Benchmark]: Boogie Preprocessor took 26.86 ms. Allocated memory is still 204.5 MB. Free memory was 188.0 MB in the beginning and 186.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:43:55,405 INFO L168 Benchmark]: RCFGBuilder took 297.59 ms. Allocated memory is still 204.5 MB. Free memory was 186.9 MB in the beginning and 171.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-12 21:43:55,406 INFO L168 Benchmark]: TraceAbstraction took 2038.74 ms. Allocated memory was 204.5 MB in the beginning and 261.1 MB in the end (delta: 56.6 MB). Free memory was 171.2 MB in the beginning and 193.6 MB in the end (delta: -22.4 MB). Peak memory consumption was 34.7 MB. Max. memory is 8.0 GB. [2021-08-12 21:43:55,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 204.5 MB. Free memory was 186.5 MB in the beginning and 186.4 MB in the end (delta: 113.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 151.14 ms. Allocated memory is still 204.5 MB. Free memory was 167.8 MB in the beginning and 159.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 204.5 MB. Free memory was 158.8 MB in the beginning and 188.0 MB in the end (delta: -29.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.86 ms. Allocated memory is still 204.5 MB. Free memory was 188.0 MB in the beginning and 186.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 297.59 ms. Allocated memory is still 204.5 MB. Free memory was 186.9 MB in the beginning and 171.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2038.74 ms. Allocated memory was 204.5 MB in the beginning and 261.1 MB in the end (delta: 56.6 MB). Free memory was 171.2 MB in the beginning and 193.6 MB in the end (delta: -22.4 MB). Peak memory consumption was 34.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Invalid Owicki-Gries annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Invalid Owicki-Gries annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...