/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/forkJoinInLoop.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 08:15:13,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 08:15:13,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 08:15:13,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 08:15:13,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 08:15:13,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 08:15:13,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 08:15:13,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 08:15:13,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 08:15:13,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 08:15:13,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 08:15:13,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 08:15:13,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 08:15:13,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 08:15:13,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 08:15:13,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 08:15:13,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 08:15:13,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 08:15:13,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 08:15:13,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 08:15:13,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 08:15:13,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 08:15:13,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 08:15:13,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 08:15:13,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 08:15:13,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 08:15:13,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 08:15:13,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 08:15:13,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 08:15:13,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 08:15:13,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 08:15:13,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 08:15:13,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 08:15:13,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 08:15:13,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 08:15:13,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 08:15:13,844 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 [2021-06-13 08:15:13,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 08:15:13,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 08:15:13,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 08:15:13,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 08:15:13,884 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 08:15:13,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 08:15:13,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 08:15:13,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 08:15:13,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 08:15:13,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 08:15:13,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 08:15:13,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 08:15:13,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 08:15:13,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 08:15:13,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 08:15:13,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 08:15:13,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 08:15:13,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 08:15:13,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 08:15:13,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 08:15:13,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 08:15:13,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 08:15:13,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 08:15:13,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 08:15:13,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 08:15:13,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 08:15:13,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 08:15:13,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 08:15:13,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-13 08:15:13,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 08:15:14,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 08:15:14,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 08:15:14,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 08:15:14,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 08:15:14,211 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 08:15:14,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkJoinInLoop.c [2021-06-13 08:15:14,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe9c0ed3/8803e5b99ea5411b94bc568ec1ed1f87/FLAG87d902eea [2021-06-13 08:15:14,662 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 08:15:14,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkJoinInLoop.c [2021-06-13 08:15:14,663 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-13 08:15:14,663 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-13 08:15:14,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe9c0ed3/8803e5b99ea5411b94bc568ec1ed1f87/FLAG87d902eea [2021-06-13 08:15:15,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe9c0ed3/8803e5b99ea5411b94bc568ec1ed1f87 [2021-06-13 08:15:15,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 08:15:15,085 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 08:15:15,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 08:15:15,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 08:15:15,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 08:15:15,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476b4eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15, skipping insertion in model container [2021-06-13 08:15:15,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 08:15:15,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 08:15:15,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 08:15:15,270 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 08:15:15,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 08:15:15,323 INFO L208 MainTranslator]: Completed translation [2021-06-13 08:15:15,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15 WrapperNode [2021-06-13 08:15:15,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 08:15:15,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 08:15:15,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 08:15:15,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 08:15:15,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 08:15:15,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 08:15:15,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 08:15:15,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 08:15:15,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (1/1) ... [2021-06-13 08:15:15,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 08:15:15,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 08:15:15,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 08:15:15,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 08:15:15,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (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 [2021-06-13 08:15:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 08:15:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-13 08:15:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-13 08:15:15,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 08:15:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 08:15:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-13 08:15:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 08:15:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 08:15:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 08:15:15,456 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 08:15:15,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 08:15:15,718 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-13 08:15:15,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:15:15 BoogieIcfgContainer [2021-06-13 08:15:15,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 08:15:15,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 08:15:15,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 08:15:15,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 08:15:15,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 08:15:15" (1/3) ... [2021-06-13 08:15:15,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f427ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:15:15, skipping insertion in model container [2021-06-13 08:15:15,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:15:15" (2/3) ... [2021-06-13 08:15:15,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f427ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:15:15, skipping insertion in model container [2021-06-13 08:15:15,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:15:15" (3/3) ... [2021-06-13 08:15:15,735 INFO L111 eAbstractionObserver]: Analyzing ICFG forkJoinInLoop.c [2021-06-13 08:15:15,740 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 08:15:15,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 08:15:15,741 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 08:15:15,762 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,762 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,762 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,762 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,762 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,763 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~i.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,763 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,763 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,763 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,763 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,765 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,765 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,765 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,765 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,766 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~i.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 08:15:15,787 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-13 08:15:15,803 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-13 08:15:15,820 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 08:15:15,821 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 08:15:15,821 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 08:15:15,821 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 08:15:15,821 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 08:15:15,821 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 08:15:15,821 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 08:15:15,821 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 08:15:15,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 49 transitions, 106 flow [2021-06-13 08:15:15,854 INFO L129 PetriNetUnfolder]: 2/48 cut-off events. [2021-06-13 08:15:15,854 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-13 08:15:15,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 48 events. 2/48 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2021-06-13 08:15:15,857 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 49 transitions, 106 flow [2021-06-13 08:15:15,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 40 transitions, 86 flow [2021-06-13 08:15:15,866 INFO L129 PetriNetUnfolder]: 1/15 cut-off events. [2021-06-13 08:15:15,867 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 08:15:15,867 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 08:15:15,868 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 08:15:15,868 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 08:15:15,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 08:15:15,873 INFO L82 PathProgramCache]: Analyzing trace with hash -669004956, now seen corresponding path program 1 times [2021-06-13 08:15:15,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 08:15:15,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455068754] [2021-06-13 08:15:15,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 08:15:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 08:15:16,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 08:15:16,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 08:15:16,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455068754] [2021-06-13 08:15:16,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455068754] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 08:15:16,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 08:15:16,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 08:15:16,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117374182] [2021-06-13 08:15:16,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-13 08:15:16,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 08:15:16,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-13 08:15:16,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-13 08:15:16,054 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 49 [2021-06-13 08:15:16,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 40 transitions, 86 flow. Second operand has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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) [2021-06-13 08:15:16,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 08:15:16,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 49 [2021-06-13 08:15:16,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 08:15:16,095 INFO L129 PetriNetUnfolder]: 1/39 cut-off events. [2021-06-13 08:15:16,095 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-13 08:15:16,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 39 events. 1/39 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 11 event pairs, 0 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2021-06-13 08:15:16,097 INFO L132 encePairwiseOnDemand]: 48/49 looper letters, 0 selfloop transitions, 0 changer transitions 0/39 dead transitions. [2021-06-13 08:15:16,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 39 transitions, 84 flow [2021-06-13 08:15:16,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 08:15:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-06-13 08:15:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 95 transitions. [2021-06-13 08:15:16,110 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9693877551020408 [2021-06-13 08:15:16,111 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 95 transitions. [2021-06-13 08:15:16,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 95 transitions. [2021-06-13 08:15:16,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 08:15:16,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 95 transitions. [2021-06-13 08:15:16,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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) [2021-06-13 08:15:16,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2021-06-13 08:15:16,123 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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) [2021-06-13 08:15:16,125 INFO L185 Difference]: Start difference. First operand has 42 places, 40 transitions, 86 flow. Second operand 2 states and 95 transitions. [2021-06-13 08:15:16,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 39 transitions, 84 flow [2021-06-13 08:15:16,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 39 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-13 08:15:16,133 INFO L241 Difference]: Finished difference. Result has 41 places, 39 transitions, 80 flow [2021-06-13 08:15:16,135 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=80, PETRI_PLACES=41, PETRI_TRANSITIONS=39} [2021-06-13 08:15:16,136 INFO L335 CegarLoopForPetriNet]: 42 programPoint places, -1 predicate places. [2021-06-13 08:15:16,136 INFO L482 AbstractCegarLoop]: Abstraction has has 41 places, 39 transitions, 80 flow [2021-06-13 08:15:16,137 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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) [2021-06-13 08:15:16,137 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 08:15:16,137 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 08:15:16,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 08:15:16,138 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 08:15:16,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 08:15:16,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1331348325, now seen corresponding path program 1 times [2021-06-13 08:15:16,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 08:15:16,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551674806] [2021-06-13 08:15:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 08:15:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 08:15:16,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 08:15:16,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 08:15:16,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 08:15:16,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551674806] [2021-06-13 08:15:16,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551674806] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 08:15:16,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 08:15:16,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 08:15:16,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370021016] [2021-06-13 08:15:16,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 08:15:16,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 08:15:16,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 08:15:16,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 08:15:16,262 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 49 [2021-06-13 08:15:16,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 39 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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) [2021-06-13 08:15:16,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 08:15:16,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 49 [2021-06-13 08:15:16,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 08:15:16,360 INFO L129 PetriNetUnfolder]: 1/45 cut-off events. [2021-06-13 08:15:16,360 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-13 08:15:16,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 45 events. 1/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 12 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 65. Up to 16 conditions per place. [2021-06-13 08:15:16,361 INFO L132 encePairwiseOnDemand]: 44/49 looper letters, 15 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2021-06-13 08:15:16,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 43 transitions, 126 flow [2021-06-13 08:15:16,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 08:15:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-13 08:15:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 140 transitions. [2021-06-13 08:15:16,366 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-06-13 08:15:16,366 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 140 transitions. [2021-06-13 08:15:16,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 140 transitions. [2021-06-13 08:15:16,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 08:15:16,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 140 transitions. [2021-06-13 08:15:16,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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) [2021-06-13 08:15:16,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 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) [2021-06-13 08:15:16,370 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 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) [2021-06-13 08:15:16,371 INFO L185 Difference]: Start difference. First operand has 41 places, 39 transitions, 80 flow. Second operand 4 states and 140 transitions. [2021-06-13 08:15:16,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 43 transitions, 126 flow [2021-06-13 08:15:16,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 43 transitions, 126 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-13 08:15:16,375 INFO L241 Difference]: Finished difference. Result has 46 places, 42 transitions, 108 flow [2021-06-13 08:15:16,376 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=108, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2021-06-13 08:15:16,376 INFO L335 CegarLoopForPetriNet]: 42 programPoint places, 4 predicate places. [2021-06-13 08:15:16,376 INFO L482 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 108 flow [2021-06-13 08:15:16,377 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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) [2021-06-13 08:15:16,377 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 08:15:16,377 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 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, 1, 1, 1, 1] [2021-06-13 08:15:16,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 08:15:16,377 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 08:15:16,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 08:15:16,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1253826793, now seen corresponding path program 1 times [2021-06-13 08:15:16,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 08:15:16,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671236222] [2021-06-13 08:15:16,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 08:15:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 08:15:16,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 08:15:16,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 08:15:16,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:16,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 08:15:16,603 INFO L142 QuantifierPusher]: treesize reduction 6, result has 33.3 percent of original size [2021-06-13 08:15:16,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 08:15:16,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:16,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 08:15:16,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 08:15:16,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 08:15:16,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671236222] [2021-06-13 08:15:16,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671236222] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 08:15:16,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223392721] [2021-06-13 08:15:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 08:15:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 08:15:16,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-13 08:15:16,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 08:15:16,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:16,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-13 08:15:16,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:16,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-13 08:15:16,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:16,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-13 08:15:16,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:16,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-13 08:15:16,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 08:15:16,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 08:15:16,823 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 08:15:16,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 08:15:16,828 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 08:15:16,828 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-06-13 08:15:16,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 08:15:16,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-13 08:15:16,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 08:15:16,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 08:15:16,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 08:15:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,864 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-13 08:15:16,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-13 08:15:16,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 08:15:16,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 08:15:16,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 08:15:16,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 08:15:16,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 08:15:16,875 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2021-06-13 08:15:16,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 08:15:16,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-13 08:15:16,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 08:15:16,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 08:15:16,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 08:15:16,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 08:15:16,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-13 08:15:16,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 08:15:16,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 08:15:16,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:16,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:16,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:16,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 08:15:16,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 08:15:17,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 08:15:17,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-13 08:15:17,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 08:15:17,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-13 08:15:17,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-13 08:15:17,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-13 08:15:17,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-13 08:15:17,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-13 08:15:17,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,027 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 08:15:17,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-13 08:15:17,040 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:7 [2021-06-13 08:15:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-13 08:15:17,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-13 08:15:17,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-13 08:15:17,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-13 08:15:17,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 08:15:17,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-13 08:15:17,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 08:15:17,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-13 08:15:17,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-13 08:15:17,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-13 08:15:17,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-13 08:15:17,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-06-13 08:15:17,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 08:15:17,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-13 08:15:17,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 08:15:17,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-13 08:15:17,284 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:7 [2021-06-13 08:15:17,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-13 08:15:17,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 08:15:17,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-13 08:15:17,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-13 08:15:17,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-13 08:15:17,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-13 08:15:17,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 08:15:17,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 08:15:17,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 08:15:17,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 08:15:17,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-13 08:15:17,327 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2021-06-13 08:15:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 08:15:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-13 08:15:17,331 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-13 08:15:17,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:17,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:17,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 08:15:17,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-13 08:15:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 08:15:17,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223392721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 08:15:17,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 08:15:17,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-06-13 08:15:17,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676049186] [2021-06-13 08:15:17,340 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-13 08:15:17,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 08:15:17,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-13 08:15:17,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-13 08:15:17,345 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 49 [2021-06-13 08:15:17,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 108 flow. Second operand has 14 states, 14 states have (on average 23.5) internal successors, (329), 14 states have internal predecessors, (329), 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) [2021-06-13 08:15:17,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-13 08:15:17,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 49 [2021-06-13 08:15:17,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-13 08:15:17,788 INFO L129 PetriNetUnfolder]: 1/89 cut-off events. [2021-06-13 08:15:17,789 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-06-13 08:15:17,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 89 events. 1/89 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 0 based on Foata normal form. 1/90 useless extension candidates. Maximal degree in co-relation 152. Up to 16 conditions per place. [2021-06-13 08:15:17,811 INFO L132 encePairwiseOnDemand]: 37/49 looper letters, 31 selfloop transitions, 15 changer transitions 0/63 dead transitions. [2021-06-13 08:15:17,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 63 transitions, 250 flow [2021-06-13 08:15:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 08:15:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-13 08:15:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 320 transitions. [2021-06-13 08:15:17,814 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5023547880690737 [2021-06-13 08:15:17,814 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 320 transitions. [2021-06-13 08:15:17,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 320 transitions. [2021-06-13 08:15:17,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-13 08:15:17,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 320 transitions. [2021-06-13 08:15:17,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 24.615384615384617) internal successors, (320), 13 states have internal predecessors, (320), 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) [2021-06-13 08:15:17,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 49.0) internal successors, (686), 14 states have internal predecessors, (686), 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) [2021-06-13 08:15:17,818 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 49.0) internal successors, (686), 14 states have internal predecessors, (686), 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) [2021-06-13 08:15:17,818 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 108 flow. Second operand 13 states and 320 transitions. [2021-06-13 08:15:17,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 63 transitions, 250 flow [2021-06-13 08:15:17,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 63 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-13 08:15:17,821 INFO L241 Difference]: Finished difference. Result has 64 places, 51 transitions, 195 flow [2021-06-13 08:15:17,821 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=195, PETRI_PLACES=64, PETRI_TRANSITIONS=51} [2021-06-13 08:15:17,821 INFO L335 CegarLoopForPetriNet]: 42 programPoint places, 22 predicate places. [2021-06-13 08:15:17,821 INFO L482 AbstractCegarLoop]: Abstraction has has 64 places, 51 transitions, 195 flow [2021-06-13 08:15:17,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 23.5) internal successors, (329), 14 states have internal predecessors, (329), 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) [2021-06-13 08:15:17,822 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-06-13 08:15:17,822 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-13 08:15:18,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-06-13 08:15:18,045 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 08:15:18,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 08:15:18,046 INFO L82 PathProgramCache]: Analyzing trace with hash -833566371, now seen corresponding path program 2 times [2021-06-13 08:15:18,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 08:15:18,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482117388] [2021-06-13 08:15:18,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 08:15:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-13 08:15:18,072 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-13 08:15:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-13 08:15:18,121 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-13 08:15:18,153 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-13 08:15:18,153 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-13 08:15:18,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 08:15:18,156 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 08:15:18,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 08:15:18 BasicIcfg [2021-06-13 08:15:18,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 08:15:18,216 INFO L168 Benchmark]: Toolchain (without parser) took 3131.58 ms. Allocated memory was 179.3 MB in the beginning and 240.1 MB in the end (delta: 60.8 MB). Free memory was 141.9 MB in the beginning and 204.9 MB in the end (delta: -63.0 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 08:15:18,217 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 179.3 MB. Free memory is still 160.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 08:15:18,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.75 ms. Allocated memory is still 179.3 MB. Free memory was 141.7 MB in the beginning and 162.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:18,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.73 ms. Allocated memory is still 179.3 MB. Free memory was 162.6 MB in the beginning and 161.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:18,217 INFO L168 Benchmark]: Boogie Preprocessor took 27.32 ms. Allocated memory is still 179.3 MB. Free memory was 161.0 MB in the beginning and 160.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:18,217 INFO L168 Benchmark]: RCFGBuilder took 343.93 ms. Allocated memory is still 179.3 MB. Free memory was 160.0 MB in the beginning and 143.7 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-13 08:15:18,217 INFO L168 Benchmark]: TraceAbstraction took 2485.34 ms. Allocated memory was 179.3 MB in the beginning and 240.1 MB in the end (delta: 60.8 MB). Free memory was 143.2 MB in the beginning and 204.9 MB in the end (delta: -61.7 MB). Peak memory consumption was 128.5 kB. Max. memory is 8.0 GB. [2021-06-13 08:15:18,218 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 179.3 MB. Free memory is still 160.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 239.75 ms. Allocated memory is still 179.3 MB. Free memory was 141.7 MB in the beginning and 162.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.73 ms. Allocated memory is still 179.3 MB. Free memory was 162.6 MB in the beginning and 161.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.32 ms. Allocated memory is still 179.3 MB. Free memory was 161.0 MB in the beginning and 160.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 343.93 ms. Allocated memory is still 179.3 MB. Free memory was 160.0 MB in the beginning and 143.7 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2485.34 ms. Allocated memory was 179.3 MB in the beginning and 240.1 MB in the end (delta: 60.8 MB). Free memory was 143.2 MB in the beginning and 204.9 MB in the end (delta: -61.7 MB). Peak memory consumption was 128.5 kB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: assertion can be violated assertion can be violated We found a FailurePath: [L19] 0 pthread_t thread_id; [L21] 0 int x = 1; [L23] EXPR 0 \read(x) [L23] COND TRUE 0 x < 3 [L24] FCALL, FORK 0 pthread_create(&thread_id, NULL, foo, &x) VAL [i={5:0}] [L25] 0 \read(x) VAL [i={5:0}] [L26] 0 \read(thread_id) VAL [i={5:0}] [L15] 1 int y = 4; VAL [i={5:0}, i={5:0}, y=4] [L26] FCALL, JOIN 1 pthread_join(thread_id, NULL) VAL [i={5:0}, i={5:0}, y=4] [L27] 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L28] EXPR 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L28] 0 x++ VAL [i={5:0}, i={5:0}, y=4] [L23] EXPR 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L23] COND TRUE 0 x < 3 VAL [i={5:0}, i={5:0}, y=4] [L24] FCALL, FORK 0 pthread_create(&thread_id, NULL, foo, &x) VAL [i={5:0}] [L15] 1 int y = 4; VAL [i={5:0}, i={5:0}, y=4] [L25] 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L26] 0 \read(thread_id) VAL [i={5:0}, i={5:0}, y=4] [L26] FCALL, JOIN 1 pthread_join(thread_id, NULL) VAL [i={5:0}, i={5:0}, y=4] [L27] 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L28] EXPR 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L28] 0 x++ VAL [i={5:0}, i={5:0}, y=4] [L23] EXPR 0 \read(x) VAL [i={5:0}, i={5:0}, y=4] [L23] COND FALSE 0 !(x < 3) VAL [i={5:0}, i={5:0}, y=4] [L30] 0 CodeAnnotStmt[Assertion] VAL [i={5:0}, i={5:0}, y=4] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 53 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 2337.4ms, OverallIterations: 4, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 687.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 39.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 22 SDtfs, 101 SDslu, 81 SDs, 0 SdLazy, 152 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 170.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 491.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=3, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.2ms SsaConstructionTime, 129.8ms SatisfiabilityAnalysisTime, 955.5ms InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 555 SizeOfPredicates, 8 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...