/usr/bin/java -Xmx16000000000 -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/forkMultipleParameter.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 14:21:34,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 14:21:34,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 14:21:34,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 14:21:34,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 14:21:34,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 14:21:34,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 14:21:34,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 14:21:34,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 14:21:34,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 14:21:34,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 14:21:34,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 14:21:34,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 14:21:34,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 14:21:34,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 14:21:34,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 14:21:34,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 14:21:34,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 14:21:34,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 14:21:34,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 14:21:34,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 14:21:34,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 14:21:34,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 14:21:34,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 14:21:34,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 14:21:34,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 14:21:34,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 14:21:34,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 14:21:34,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 14:21:34,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 14:21:34,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 14:21:34,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 14:21:34,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 14:21:34,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 14:21:34,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 14:21:34,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 14:21:34,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 14:21:34,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 14:21:34,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 14:21:34,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 14:21:34,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 14:21:34,701 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 [2021-06-10 14:21:34,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 14:21:34,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 14:21:34,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 14:21:34,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 14:21:34,739 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 14:21:34,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 14:21:34,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 14:21:34,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 14:21:34,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 14:21:34,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 14:21:34,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 14:21:34,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 14:21:34,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 14:21:34,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 14:21:34,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 14:21:34,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 14:21:34,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 14:21:34,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 14:21:34,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 14:21:34,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 14:21:34,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 14:21:34,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 14:21:34,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 14:21:34,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 14:21:34,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 14:21:34,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 14:21:34,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 14:21:34,743 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-10 14:21:34,743 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 14:21:34,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 14:21:35,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 14:21:35,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 14:21:35,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 14:21:35,096 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 14:21:35,098 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 14:21:35,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-06-10 14:21:35,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c429662c8/798f1e60c3294d049ede902988ade60a/FLAGe2da087af [2021-06-10 14:21:35,616 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 14:21:35,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkMultipleParameter.c [2021-06-10 14:21:35,617 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-10 14:21:35,617 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-10 14:21:35,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c429662c8/798f1e60c3294d049ede902988ade60a/FLAGe2da087af [2021-06-10 14:21:36,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c429662c8/798f1e60c3294d049ede902988ade60a [2021-06-10 14:21:36,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 14:21:36,127 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 14:21:36,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 14:21:36,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 14:21:36,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 14:21:36,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34210d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36, skipping insertion in model container [2021-06-10 14:21:36,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 14:21:36,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 14:21:36,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 14:21:36,321 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 14:21:36,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 14:21:36,350 INFO L208 MainTranslator]: Completed translation [2021-06-10 14:21:36,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36 WrapperNode [2021-06-10 14:21:36,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 14:21:36,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 14:21:36,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 14:21:36,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 14:21:36,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 14:21:36,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 14:21:36,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 14:21:36,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 14:21:36,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (1/1) ... [2021-06-10 14:21:36,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 14:21:36,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 14:21:36,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 14:21:36,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 14:21:36,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (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 [2021-06-10 14:21:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-10 14:21:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 14:21:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure add [2021-06-10 14:21:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2021-06-10 14:21:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 14:21:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 14:21:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 14:21:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-10 14:21:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-10 14:21:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 14:21:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 14:21:36,503 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 14:21:36,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 14:21:36,749 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-10 14:21:36,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 02:21:36 BoogieIcfgContainer [2021-06-10 14:21:36,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 14:21:36,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 14:21:36,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 14:21:36,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 14:21:36,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 02:21:36" (1/3) ... [2021-06-10 14:21:36,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1950a5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 02:21:36, skipping insertion in model container [2021-06-10 14:21:36,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 02:21:36" (2/3) ... [2021-06-10 14:21:36,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1950a5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 02:21:36, skipping insertion in model container [2021-06-10 14:21:36,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 02:21:36" (3/3) ... [2021-06-10 14:21:36,757 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleParameter.c [2021-06-10 14:21:36,761 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 14:21:36,765 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-10 14:21:36,766 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 14:21:36,786 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,786 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,786 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,786 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,787 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,787 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,787 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,787 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,787 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,787 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,788 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,788 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,788 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,788 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,788 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,788 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,788 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,789 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,789 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,789 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,789 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,789 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,789 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,789 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,790 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,790 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,790 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,790 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,790 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,790 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,790 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,791 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,791 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,791 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,791 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,791 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,791 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,791 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,792 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,792 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,792 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,792 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,792 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,792 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,794 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,794 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,795 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,795 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,795 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~result~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,795 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,795 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~numbers~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,795 WARN L313 ript$VariableManager]: TermVariabe addThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,796 WARN L313 ript$VariableManager]: TermVariabe |addThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:21:36,802 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-10 14:21:36,818 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-10 14:21:36,843 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:21:36,843 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:21:36,843 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:21:36,843 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:21:36,843 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:21:36,843 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:21:36,843 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:21:36,844 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:21:36,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 92 flow [2021-06-10 14:21:36,879 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-06-10 14:21:36,879 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 14:21:36,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 41 events. 0/41 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-10 14:21:36,881 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 42 transitions, 92 flow [2021-06-10 14:21:36,884 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 31 transitions, 68 flow [2021-06-10 14:21:36,895 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-06-10 14:21:36,896 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 14:21:36,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:21:36,897 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 14:21:36,897 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:21:36,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:21:36,903 INFO L82 PathProgramCache]: Analyzing trace with hash -219609098, now seen corresponding path program 1 times [2021-06-10 14:21:36,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:21:36,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806529344] [2021-06-10 14:21:36,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:21:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 14:21:37,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 14:21:37,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 14:21:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 14:21:37,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-10 14:21:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 14:21:37,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 14:21:37,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 14:21:37,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-10 14:21:37,358 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-06-10 14:21:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 14:21:37,374 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-06-10 14:21:37,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 14:21:37,390 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-10 14:21:37,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 14:21:37,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 14:21:37,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 14:21:37,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 14:21:37,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 14:21:37,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:21:37,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 14:21:37,541 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-06-10 14:21:37,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 14:21:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 14:21:37,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806529344] [2021-06-10 14:21:37,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 14:21:37,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-06-10 14:21:37,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138149343] [2021-06-10 14:21:37,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-10 14:21:37,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 14:21:37,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-10 14:21:37,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-06-10 14:21:37,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2021-06-10 14:21:37,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 31 transitions, 68 flow. Second operand has 17 states, 17 states have (on average 11.470588235294118) internal successors, (195), 17 states have internal predecessors, (195), 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) [2021-06-10 14:21:37,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 14:21:37,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2021-06-10 14:21:37,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 14:21:38,570 INFO L129 PetriNetUnfolder]: 16/64 cut-off events. [2021-06-10 14:21:38,570 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-10 14:21:38,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 64 events. 16/64 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 95 event pairs, 0 based on Foata normal form. 1/65 useless extension candidates. Maximal degree in co-relation 88. Up to 10 conditions per place. [2021-06-10 14:21:38,574 INFO L132 encePairwiseOnDemand]: 23/42 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2021-06-10 14:21:38,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 44 transitions, 170 flow [2021-06-10 14:21:38,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-10 14:21:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-10 14:21:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 239 transitions. [2021-06-10 14:21:38,590 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2845238095238095 [2021-06-10 14:21:38,590 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 239 transitions. [2021-06-10 14:21:38,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 239 transitions. [2021-06-10 14:21:38,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 14:21:38,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 239 transitions. [2021-06-10 14:21:38,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 11.95) internal successors, (239), 20 states have internal predecessors, (239), 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) [2021-06-10 14:21:38,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 42.0) internal successors, (882), 21 states have internal predecessors, (882), 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) [2021-06-10 14:21:38,606 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 42.0) internal successors, (882), 21 states have internal predecessors, (882), 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) [2021-06-10 14:21:38,608 INFO L185 Difference]: Start difference. First operand has 35 places, 31 transitions, 68 flow. Second operand 20 states and 239 transitions. [2021-06-10 14:21:38,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 44 transitions, 170 flow [2021-06-10 14:21:38,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 44 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 14:21:38,614 INFO L241 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2021-06-10 14:21:38,616 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2021-06-10 14:21:38,617 INFO L343 CegarLoopForPetriNet]: 35 programPoint places, 16 predicate places. [2021-06-10 14:21:38,617 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2021-06-10 14:21:38,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.470588235294118) internal successors, (195), 17 states have internal predecessors, (195), 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) [2021-06-10 14:21:38,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-10 14:21:38,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 02:21:38 BasicIcfg [2021-06-10 14:21:38,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 14:21:38,623 INFO L168 Benchmark]: Toolchain (without parser) took 2495.69 ms. Allocated memory is still 327.2 MB. Free memory was 289.8 MB in the beginning and 261.9 MB in the end (delta: 27.9 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:38,624 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 327.2 MB. Free memory was 308.4 MB in the beginning and 308.3 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 14:21:38,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.11 ms. Allocated memory is still 327.2 MB. Free memory was 289.6 MB in the beginning and 305.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:38,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.23 ms. Allocated memory is still 327.2 MB. Free memory was 305.7 MB in the beginning and 309.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:38,626 INFO L168 Benchmark]: Boogie Preprocessor took 34.86 ms. Allocated memory is still 327.2 MB. Free memory was 309.8 MB in the beginning and 308.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 14:21:38,627 INFO L168 Benchmark]: RCFGBuilder took 310.64 ms. Allocated memory is still 327.2 MB. Free memory was 308.8 MB in the beginning and 290.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:38,631 INFO L168 Benchmark]: TraceAbstraction took 1869.84 ms. Allocated memory is still 327.2 MB. Free memory was 289.9 MB in the beginning and 261.9 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. [2021-06-10 14:21:38,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 327.2 MB. Free memory was 308.4 MB in the beginning and 308.3 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 210.11 ms. Allocated memory is still 327.2 MB. Free memory was 289.6 MB in the beginning and 305.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 52.23 ms. Allocated memory is still 327.2 MB. Free memory was 305.7 MB in the beginning and 309.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.86 ms. Allocated memory is still 327.2 MB. Free memory was 309.8 MB in the beginning and 308.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 310.64 ms. Allocated memory is still 327.2 MB. Free memory was 308.8 MB in the beginning and 290.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1869.84 ms. Allocated memory is still 327.2 MB. Free memory was 289.9 MB in the beginning and 261.9 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 1779.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1034.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 40.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7 SDtfs, 100 SDslu, 58 SDs, 0 SdLazy, 278 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 176.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 943.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 20, 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: 16.0ms SsaConstructionTime, 75.0ms SatisfiabilityAnalysisTime, 491.2ms InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 371 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...