/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 22:59:10,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 22:59:10,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 22:59:10,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 22:59:10,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 22:59:10,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 22:59:10,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 22:59:10,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 22:59:10,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 22:59:10,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 22:59:10,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 22:59:10,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 22:59:10,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 22:59:10,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 22:59:10,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 22:59:10,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 22:59:10,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 22:59:10,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 22:59:10,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 22:59:10,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 22:59:10,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 22:59:10,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 22:59:10,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 22:59:10,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 22:59:10,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-10 22:59:10,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 22:59:10,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 22:59:10,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 22:59:10,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2021-06-10 22:59:10,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 22:59:10,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 22:59:10,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 22:59:10,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 22:59:10,684 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 22:59:10,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 22:59:10,684 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 22:59:10,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 22:59:10,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 22:59:10,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 22:59:10,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 22:59:10,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 22:59:10,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 22:59:10,685 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 22:59:10,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 22:59:10,686 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 22:59:10,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 22:59:10,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 22:59:10,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 22:59:10,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 22:59:10,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 22:59:10,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 22:59:10,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 22:59:10,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 22:59:10,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 22:59:10,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 22:59:10,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 22:59:10,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 22:59:10,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 22:59:10,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 22:59:10,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 22:59:10,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 22:59:10,933 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 22:59:10,934 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 22:59:10,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-06-10 22:59:10,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f72e9165/eec73bbb09ba477cbbebec93512eb8c7/FLAG804236790 [2021-06-10 22:59:11,357 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 22:59:11,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-06-10 22:59:11,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f72e9165/eec73bbb09ba477cbbebec93512eb8c7/FLAG804236790 [2021-06-10 22:59:11,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f72e9165/eec73bbb09ba477cbbebec93512eb8c7 [2021-06-10 22:59:11,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 22:59:11,382 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 22:59:11,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 22:59:11,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 22:59:11,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 22:59:11,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209733af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11, skipping insertion in model container [2021-06-10 22:59:11,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 22:59:11,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 22:59:11,572 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926] [2021-06-10 22:59:11,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 22:59:11,622 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 22:59:11,641 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926] [2021-06-10 22:59:11,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 22:59:11,684 INFO L208 MainTranslator]: Completed translation [2021-06-10 22:59:11,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11 WrapperNode [2021-06-10 22:59:11,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 22:59:11,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 22:59:11,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 22:59:11,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 22:59:11,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 22:59:11,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 22:59:11,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 22:59:11,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 22:59:11,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (1/1) ... [2021-06-10 22:59:11,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 22:59:11,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 22:59:11,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 22:59:11,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 22:59:11,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (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 22:59:11,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-10 22:59:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 22:59:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-10 22:59:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 22:59:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-06-10 22:59:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-06-10 22:59:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 22:59:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 22:59:11,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 22:59:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 22:59:11,791 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 22:59:12,041 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 22:59:12,041 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-06-10 22:59:12,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 10:59:12 BoogieIcfgContainer [2021-06-10 22:59:12,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 22:59:12,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 22:59:12,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 22:59:12,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 22:59:12,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 10:59:11" (1/3) ... [2021-06-10 22:59:12,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c1646e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 10:59:12, skipping insertion in model container [2021-06-10 22:59:12,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 10:59:11" (2/3) ... [2021-06-10 22:59:12,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c1646e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 10:59:12, skipping insertion in model container [2021-06-10 22:59:12,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 10:59:12" (3/3) ... [2021-06-10 22:59:12,047 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2021-06-10 22:59:12,051 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 22:59:12,061 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-10 22:59:12,062 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 22:59:12,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,094 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,094 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,094 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,094 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,095 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,102 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,102 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,102 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,102 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,104 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,104 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,104 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,105 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,105 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,105 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,106 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,106 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,106 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,107 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,107 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,108 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,108 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 22:59:12,123 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-10 22:59:12,135 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-10 22:59:12,159 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 22:59:12,159 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 22:59:12,159 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 22:59:12,159 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 22:59:12,159 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 22:59:12,159 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 22:59:12,159 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 22:59:12,159 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 22:59:12,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 99 transitions, 206 flow [2021-06-10 22:59:12,221 INFO L129 PetriNetUnfolder]: 9/98 cut-off events. [2021-06-10 22:59:12,222 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 22:59:12,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 9/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 143 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-06-10 22:59:12,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 99 transitions, 206 flow [2021-06-10 22:59:12,239 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 89 transitions, 181 flow [2021-06-10 22:59:12,240 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-10 22:59:12,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 89 transitions, 181 flow [2021-06-10 22:59:12,254 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 89 transitions, 181 flow [2021-06-10 22:59:12,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 89 transitions, 181 flow [2021-06-10 22:59:12,283 INFO L129 PetriNetUnfolder]: 9/89 cut-off events. [2021-06-10 22:59:12,283 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:59:12,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 89 events. 9/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-06-10 22:59:12,287 INFO L151 LiptonReduction]: Number of co-enabled transitions 1386 [2021-06-10 22:59:12,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:12,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:59:12,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:12,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:12,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:12,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:12,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:12,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:12,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:12,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:13,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,229 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-10 22:59:13,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:13,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:13,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:59:13,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:59:13,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:13,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 22:59:13,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:59:13,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:13,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:13,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 22:59:13,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:13,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:13,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:59:13,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:59:13,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:13,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:13,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 22:59:13,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:59:13,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:13,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:59:13,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 22:59:13,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:13,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:13,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:14,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 22:59:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-10 22:59:14,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:14,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:14,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:14,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 22:59:14,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:14,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:14,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:14,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:14,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:14,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:14,797 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-10 22:59:14,995 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-10 22:59:15,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-10 22:59:15,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-10 22:59:15,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-10 22:59:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-10 22:59:15,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-10 22:59:15,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-06-10 22:59:15,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:59:15,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:59:15,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 22:59:15,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:59:15,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:15,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:59:15,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-10 22:59:15,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,280 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-10 22:59:15,280 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 22:59:15,298 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:15,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:15,715 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 137 [2021-06-10 22:59:15,914 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-06-10 22:59:16,300 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 137 [2021-06-10 22:59:16,480 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-06-10 22:59:16,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:16,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:16,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 22:59:16,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-10 22:59:16,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:16,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:16,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 22:59:16,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-10 22:59:16,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 22:59:16,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-10 22:59:16,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-10 22:59:16,509 INFO L163 LiptonReduction]: Checked pairs total: 2792 [2021-06-10 22:59:16,509 INFO L165 LiptonReduction]: Total number of compositions: 83 [2021-06-10 22:59:16,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4273 [2021-06-10 22:59:16,519 INFO L129 PetriNetUnfolder]: 2/11 cut-off events. [2021-06-10 22:59:16,519 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:59:16,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:59:16,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-10 22:59:16,520 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 22:59:16,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:59:16,525 INFO L82 PathProgramCache]: Analyzing trace with hash 360099551, now seen corresponding path program 1 times [2021-06-10 22:59:16,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:59:16,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861249641] [2021-06-10 22:59:16,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:59:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:59:16,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:59:16,627 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 22:59:16,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861249641] [2021-06-10 22:59:16,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:59:16,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 22:59:16,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183152275] [2021-06-10 22:59:16,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 22:59:16,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:59:16,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 22:59:16,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 22:59:16,641 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 182 [2021-06-10 22:59:16,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 22:59:16,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:59:16,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 182 [2021-06-10 22:59:16,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:59:16,665 INFO L129 PetriNetUnfolder]: 11/60 cut-off events. [2021-06-10 22:59:16,666 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:59:16,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 60 events. 11/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 201 event pairs, 4 based on Foata normal form. 14/70 useless extension candidates. Maximal degree in co-relation 92. Up to 20 conditions per place. [2021-06-10 22:59:16,667 INFO L132 encePairwiseOnDemand]: 169/182 looper letters, 5 selfloop transitions, 2 changer transitions 9/23 dead transitions. [2021-06-10 22:59:16,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 23 transitions, 75 flow [2021-06-10 22:59:16,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 22:59:16,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 22:59:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2021-06-10 22:59:16,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2021-06-10 22:59:16,676 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 312 transitions. [2021-06-10 22:59:16,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 312 transitions. [2021-06-10 22:59:16,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:59:16,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 312 transitions. [2021-06-10 22:59:16,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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 22:59:16,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 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 22:59:16,684 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 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 22:59:16,685 INFO L185 Difference]: Start difference. First operand has 23 places, 27 transitions, 57 flow. Second operand 3 states and 312 transitions. [2021-06-10 22:59:16,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 23 transitions, 75 flow [2021-06-10 22:59:16,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 23 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 22:59:16,687 INFO L241 Difference]: Finished difference. Result has 25 places, 14 transitions, 40 flow [2021-06-10 22:59:16,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=25, PETRI_TRANSITIONS=14} [2021-06-10 22:59:16,689 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places. [2021-06-10 22:59:16,689 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 14 transitions, 40 flow [2021-06-10 22:59:16,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 22:59:16,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:59:16,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:59:16,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-10 22:59:16,690 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 22:59:16,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:59:16,690 INFO L82 PathProgramCache]: Analyzing trace with hash -525422749, now seen corresponding path program 1 times [2021-06-10 22:59:16,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:59:16,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180178462] [2021-06-10 22:59:16,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:59:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:59:16,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 22:59:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 22:59:16,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 22:59:16,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 22:59:16,738 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 22:59:16,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180178462] [2021-06-10 22:59:16,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:59:16,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 22:59:16,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288154393] [2021-06-10 22:59:16,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 22:59:16,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:59:16,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 22:59:16,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-10 22:59:16,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 182 [2021-06-10 22:59:16,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 14 transitions, 40 flow. Second operand has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 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 22:59:16,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:59:16,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 182 [2021-06-10 22:59:16,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:59:16,760 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-06-10 22:59:16,760 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 22:59:16,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 16 events. 0/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 7/23 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-06-10 22:59:16,761 INFO L132 encePairwiseOnDemand]: 178/182 looper letters, 5 selfloop transitions, 4 changer transitions 0/14 dead transitions. [2021-06-10 22:59:16,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 14 transitions, 58 flow [2021-06-10 22:59:16,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 22:59:16,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 22:59:16,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 419 transitions. [2021-06-10 22:59:16,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5755494505494505 [2021-06-10 22:59:16,763 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 419 transitions. [2021-06-10 22:59:16,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 419 transitions. [2021-06-10 22:59:16,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:59:16,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 419 transitions. [2021-06-10 22:59:16,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 104.75) internal successors, (419), 4 states have internal predecessors, (419), 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 22:59:16,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 182.0) internal successors, (910), 5 states have internal predecessors, (910), 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 22:59:16,766 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 182.0) internal successors, (910), 5 states have internal predecessors, (910), 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 22:59:16,766 INFO L185 Difference]: Start difference. First operand has 25 places, 14 transitions, 40 flow. Second operand 4 states and 419 transitions. [2021-06-10 22:59:16,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 14 transitions, 58 flow [2021-06-10 22:59:16,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 14 transitions, 52 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-10 22:59:16,766 INFO L241 Difference]: Finished difference. Result has 21 places, 14 transitions, 42 flow [2021-06-10 22:59:16,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=42, PETRI_PLACES=21, PETRI_TRANSITIONS=14} [2021-06-10 22:59:16,767 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, -2 predicate places. [2021-06-10 22:59:16,767 INFO L480 AbstractCegarLoop]: Abstraction has has 21 places, 14 transitions, 42 flow [2021-06-10 22:59:16,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 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 22:59:16,767 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 22:59:16,767 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 22:59:16,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-10 22:59:16,767 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 22:59:16,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 22:59:16,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1395386315, now seen corresponding path program 1 times [2021-06-10 22:59:16,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 22:59:16,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223188231] [2021-06-10 22:59:16,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 22:59:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 22:59:16,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:59:16,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:16,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:16,859 INFO L142 QuantifierPusher]: treesize reduction 5, result has 66.7 percent of original size [2021-06-10 22:59:16,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 22:59:16,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 22:59:16,873 INFO L142 QuantifierPusher]: treesize reduction 5, result has 66.7 percent of original size [2021-06-10 22:59:16,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 22:59:16,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 22:59:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 22:59:16,882 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 22:59:16,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223188231] [2021-06-10 22:59:16,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 22:59:16,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 22:59:16,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968304567] [2021-06-10 22:59:16,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 22:59:16,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 22:59:16,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 22:59:16,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-10 22:59:16,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 182 [2021-06-10 22:59:16,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 14 transitions, 42 flow. Second operand has 8 states, 8 states have (on average 82.25) internal successors, (658), 8 states have internal predecessors, (658), 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 22:59:16,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 22:59:16,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 182 [2021-06-10 22:59:16,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 22:59:16,967 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-06-10 22:59:16,967 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 22:59:16,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 15 events. 0/15 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 1/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-10 22:59:16,967 INFO L132 encePairwiseOnDemand]: 172/182 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2021-06-10 22:59:16,967 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 13 transitions, 56 flow [2021-06-10 22:59:16,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 22:59:16,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 22:59:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 901 transitions. [2021-06-10 22:59:16,972 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4500499500499501 [2021-06-10 22:59:16,972 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 901 transitions. [2021-06-10 22:59:16,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 901 transitions. [2021-06-10 22:59:16,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 22:59:16,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 901 transitions. [2021-06-10 22:59:16,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 81.9090909090909) internal successors, (901), 11 states have internal predecessors, (901), 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 22:59:16,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 182.0) internal successors, (2184), 12 states have internal predecessors, (2184), 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 22:59:16,981 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 182.0) internal successors, (2184), 12 states have internal predecessors, (2184), 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 22:59:16,981 INFO L185 Difference]: Start difference. First operand has 21 places, 14 transitions, 42 flow. Second operand 11 states and 901 transitions. [2021-06-10 22:59:16,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 13 transitions, 56 flow [2021-06-10 22:59:16,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 13 transitions, 50 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-10 22:59:16,982 INFO L241 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow [2021-06-10 22:59:16,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=27, PETRI_TRANSITIONS=0} [2021-06-10 22:59:16,982 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 4 predicate places. [2021-06-10 22:59:16,982 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 0 transitions, 0 flow [2021-06-10 22:59:16,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 82.25) internal successors, (658), 8 states have internal predecessors, (658), 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 22:59:16,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-10 22:59:16,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 10:59:16 BasicIcfg [2021-06-10 22:59:16,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 22:59:16,986 INFO L168 Benchmark]: Toolchain (without parser) took 5603.64 ms. Allocated memory was 356.5 MB in the beginning and 432.0 MB in the end (delta: 75.5 MB). Free memory was 319.5 MB in the beginning and 220.6 MB in the end (delta: 99.0 MB). Peak memory consumption was 176.1 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:16,986 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 356.5 MB. Free memory was 337.6 MB in the beginning and 337.5 MB in the end (delta: 76.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 22:59:16,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.23 ms. Allocated memory is still 356.5 MB. Free memory was 319.3 MB in the beginning and 320.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:16,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.64 ms. Allocated memory is still 356.5 MB. Free memory was 320.6 MB in the beginning and 318.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:16,987 INFO L168 Benchmark]: Boogie Preprocessor took 21.88 ms. Allocated memory is still 356.5 MB. Free memory was 318.5 MB in the beginning and 317.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 22:59:16,987 INFO L168 Benchmark]: RCFGBuilder took 311.82 ms. Allocated memory is still 356.5 MB. Free memory was 317.5 MB in the beginning and 290.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:16,987 INFO L168 Benchmark]: TraceAbstraction took 4941.49 ms. Allocated memory was 356.5 MB in the beginning and 432.0 MB in the end (delta: 75.5 MB). Free memory was 290.2 MB in the beginning and 220.6 MB in the end (delta: 69.7 MB). Peak memory consumption was 147.3 MB. Max. memory is 16.0 GB. [2021-06-10 22:59:16,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 356.5 MB. Free memory was 337.6 MB in the beginning and 337.5 MB in the end (delta: 76.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 302.23 ms. Allocated memory is still 356.5 MB. Free memory was 319.3 MB in the beginning and 320.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.64 ms. Allocated memory is still 356.5 MB. Free memory was 320.6 MB in the beginning and 318.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.88 ms. Allocated memory is still 356.5 MB. Free memory was 318.5 MB in the beginning and 317.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 311.82 ms. Allocated memory is still 356.5 MB. Free memory was 317.5 MB in the beginning and 290.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4941.49 ms. Allocated memory was 356.5 MB in the beginning and 432.0 MB in the end (delta: 75.5 MB). Free memory was 290.2 MB in the beginning and 220.6 MB in the end (delta: 69.7 MB). Peak memory consumption was 147.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4255.4ms, 84 PlacesBefore, 23 PlacesAfterwards, 89 TransitionsBefore, 27 TransitionsAfterwards, 1386 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 83 TotalNumberOfCompositions, 2792 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1591, positive: 1473, positive conditional: 0, positive unconditional: 1473, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1026, positive: 982, positive conditional: 0, positive unconditional: 982, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1026, positive: 982, positive conditional: 0, positive unconditional: 982, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1026, positive: 913, positive conditional: 0, positive unconditional: 913, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 236, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 148, negative conditional: 0, negative unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1591, positive: 491, positive conditional: 0, positive unconditional: 491, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 1026, unknown conditional: 0, unknown unconditional: 1026] , Statistics on independence cache: Total cache size (in pairs): 1927, Positive cache size: 1884, Positive conditional cache size: 0, Positive unconditional cache size: 1884, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43 - PositiveResult [Line: 684]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4827.4ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 177.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4358.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 8 SDtfs, 12 SDslu, 7 SDs, 0 SdLazy, 56 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 94.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 18, 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: 5.4ms SsaConstructionTime, 52.0ms SatisfiabilityAnalysisTime, 165.2ms InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...