/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 12:48:22,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 12:48:22,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 12:48:22,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 12:48:22,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 12:48:22,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 12:48:22,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 12:48:22,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 12:48:22,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 12:48:22,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 12:48:22,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 12:48:22,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 12:48:22,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 12:48:22,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 12:48:22,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 12:48:22,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 12:48:22,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 12:48:22,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 12:48:23,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 12:48:23,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 12:48:23,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 12:48:23,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 12:48:23,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 12:48:23,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 12:48:23,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 12:48:23,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 12:48:23,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 12:48:23,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 12:48:23,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 12:48:23,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 12:48:23,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 12:48:23,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 12:48:23,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 12:48:23,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 12:48:23,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 12:48:23,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 12:48:23,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 12:48:23,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 12:48:23,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 12:48:23,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 12:48:23,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 12:48:23,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 12:48:23,116 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 12:48:23,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 12:48:23,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 12:48:23,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 12:48:23,118 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 12:48:23,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 12:48:23,119 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 12:48:23,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 12:48:23,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 12:48:23,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 12:48:23,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 12:48:23,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 12:48:23,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 12:48:23,120 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 12:48:23,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 12:48:23,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 12:48:23,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 12:48:23,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 12:48:23,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 12:48:23,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 12:48:23,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 12:48:23,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:48:23,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 12:48:23,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 12:48:23,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 12:48:23,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 12:48:23,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 12:48:23,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 12:48:23,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 12:48:23,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 12:48:23,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 12:48:23,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 12:48:23,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 12:48:23,623 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 12:48:23,624 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 12:48:23,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-11-09 12:48:23,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ad4fd5d/2dda12ca53884349a3d465a921a69298/FLAG214bc3b3b [2020-11-09 12:48:24,569 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 12:48:24,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-11-09 12:48:24,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ad4fd5d/2dda12ca53884349a3d465a921a69298/FLAG214bc3b3b [2020-11-09 12:48:24,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77ad4fd5d/2dda12ca53884349a3d465a921a69298 [2020-11-09 12:48:24,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 12:48:24,858 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 12:48:24,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 12:48:24,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 12:48:24,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 12:48:24,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:24" (1/1) ... [2020-11-09 12:48:24,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383f74df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:24, skipping insertion in model container [2020-11-09 12:48:24,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:24" (1/1) ... [2020-11-09 12:48:24,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 12:48:24,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 12:48:25,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:48:25,501 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 12:48:25,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 12:48:25,684 INFO L208 MainTranslator]: Completed translation [2020-11-09 12:48:25,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25 WrapperNode [2020-11-09 12:48:25,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 12:48:25,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 12:48:25,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 12:48:25,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 12:48:25,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... [2020-11-09 12:48:25,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... [2020-11-09 12:48:25,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 12:48:25,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 12:48:25,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 12:48:25,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 12:48:25,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... [2020-11-09 12:48:25,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... [2020-11-09 12:48:25,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... [2020-11-09 12:48:25,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... [2020-11-09 12:48:25,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... [2020-11-09 12:48:25,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... [2020-11-09 12:48:25,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... [2020-11-09 12:48:25,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 12:48:25,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 12:48:25,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 12:48:25,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 12:48:25,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 12:48:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 12:48:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 12:48:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 12:48:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 12:48:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 12:48:25,886 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 12:48:25,887 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 12:48:25,888 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 12:48:25,888 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-09 12:48:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-09 12:48:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-09 12:48:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-09 12:48:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 12:48:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 12:48:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 12:48:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 12:48:25,892 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 12:48:26,543 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 12:48:26,544 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-09 12:48:26,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:26 BoogieIcfgContainer [2020-11-09 12:48:26,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 12:48:26,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 12:48:26,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 12:48:26,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 12:48:26,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:48:24" (1/3) ... [2020-11-09 12:48:26,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bc42de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:48:26, skipping insertion in model container [2020-11-09 12:48:26,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:25" (2/3) ... [2020-11-09 12:48:26,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19bc42de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:48:26, skipping insertion in model container [2020-11-09 12:48:26,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:26" (3/3) ... [2020-11-09 12:48:26,557 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2020-11-09 12:48:26,575 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 12:48:26,576 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 12:48:26,581 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 12:48:26,582 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 12:48:26,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,622 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,623 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,623 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,624 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,625 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,628 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,629 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,629 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,630 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,630 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,632 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,632 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,633 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,633 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,635 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,636 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,636 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,636 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,637 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,637 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,637 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,637 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,638 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,638 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,641 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,641 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,650 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,650 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,654 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,675 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,676 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 12:48:26,679 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 12:48:26,693 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 12:48:26,720 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 12:48:26,721 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 12:48:26,721 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 12:48:26,721 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 12:48:26,721 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 12:48:26,721 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 12:48:26,721 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 12:48:26,722 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 12:48:26,735 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 12:48:26,738 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 90 transitions, 200 flow [2020-11-09 12:48:26,741 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 90 transitions, 200 flow [2020-11-09 12:48:26,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 90 transitions, 200 flow [2020-11-09 12:48:26,796 INFO L129 PetriNetUnfolder]: 3/86 cut-off events. [2020-11-09 12:48:26,796 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 12:48:26,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 86 events. 3/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-11-09 12:48:26,806 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-11-09 12:48:31,357 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-11-09 12:48:31,638 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-11-09 12:48:32,383 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-11-09 12:48:32,935 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-11-09 12:48:33,381 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-11-09 12:48:33,546 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-09 12:48:33,907 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-11-09 12:48:34,067 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-09 12:48:34,459 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-11-09 12:48:34,683 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2020-11-09 12:48:34,886 INFO L131 LiptonReduction]: Checked pairs total: 4371 [2020-11-09 12:48:34,886 INFO L133 LiptonReduction]: Total number of compositions: 85 [2020-11-09 12:48:34,897 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-11-09 12:48:34,968 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-11-09 12:48:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-11-09 12:48:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 12:48:34,987 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:34,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:34,993 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:34,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:35,000 INFO L82 PathProgramCache]: Analyzing trace with hash -849468874, now seen corresponding path program 1 times [2020-11-09 12:48:35,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:35,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17318340] [2020-11-09 12:48:35,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:35,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:35,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17318340] [2020-11-09 12:48:35,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:35,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:48:35,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862617865] [2020-11-09 12:48:35,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:48:35,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:35,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:48:35,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:48:35,352 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-11-09 12:48:35,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:35,415 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-11-09 12:48:35,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:48:35,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-09 12:48:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:35,441 INFO L225 Difference]: With dead ends: 670 [2020-11-09 12:48:35,441 INFO L226 Difference]: Without dead ends: 526 [2020-11-09 12:48:35,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:48:35,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-11-09 12:48:35,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-11-09 12:48:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-11-09 12:48:35,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-11-09 12:48:35,590 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-11-09 12:48:35,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:35,591 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-11-09 12:48:35,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:48:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-11-09 12:48:35,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 12:48:35,597 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:35,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:35,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 12:48:35,598 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:35,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:35,599 INFO L82 PathProgramCache]: Analyzing trace with hash -579920157, now seen corresponding path program 1 times [2020-11-09 12:48:35,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:35,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837217022] [2020-11-09 12:48:35,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:35,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837217022] [2020-11-09 12:48:35,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:35,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:48:35,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252661140] [2020-11-09 12:48:35,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:35,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:35,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:35,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:35,735 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-11-09 12:48:35,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:35,791 INFO L93 Difference]: Finished difference Result 682 states and 2180 transitions. [2020-11-09 12:48:35,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 12:48:35,792 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-09 12:48:35,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:35,799 INFO L225 Difference]: With dead ends: 682 [2020-11-09 12:48:35,799 INFO L226 Difference]: Without dead ends: 394 [2020-11-09 12:48:35,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:35,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-11-09 12:48:35,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-11-09 12:48:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-11-09 12:48:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1224 transitions. [2020-11-09 12:48:35,831 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1224 transitions. Word has length 11 [2020-11-09 12:48:35,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:35,831 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1224 transitions. [2020-11-09 12:48:35,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:35,832 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1224 transitions. [2020-11-09 12:48:35,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 12:48:35,836 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:35,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:35,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 12:48:35,836 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:35,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:35,837 INFO L82 PathProgramCache]: Analyzing trace with hash -536731131, now seen corresponding path program 1 times [2020-11-09 12:48:35,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:35,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730231625] [2020-11-09 12:48:35,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:35,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730231625] [2020-11-09 12:48:35,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:35,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 12:48:35,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51076252] [2020-11-09 12:48:35,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 12:48:35,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:35,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 12:48:35,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:48:35,896 INFO L87 Difference]: Start difference. First operand 394 states and 1224 transitions. Second operand 3 states. [2020-11-09 12:48:35,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:35,907 INFO L93 Difference]: Finished difference Result 376 states and 1155 transitions. [2020-11-09 12:48:35,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 12:48:35,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-11-09 12:48:35,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:35,912 INFO L225 Difference]: With dead ends: 376 [2020-11-09 12:48:35,912 INFO L226 Difference]: Without dead ends: 376 [2020-11-09 12:48:35,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 12:48:35,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-11-09 12:48:35,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2020-11-09 12:48:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-11-09 12:48:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 1155 transitions. [2020-11-09 12:48:35,928 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 1155 transitions. Word has length 12 [2020-11-09 12:48:35,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:35,929 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 1155 transitions. [2020-11-09 12:48:35,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 12:48:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1155 transitions. [2020-11-09 12:48:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 12:48:35,931 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:35,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:35,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 12:48:35,931 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:35,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:35,932 INFO L82 PathProgramCache]: Analyzing trace with hash 553894509, now seen corresponding path program 1 times [2020-11-09 12:48:35,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:35,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705096104] [2020-11-09 12:48:35,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:35,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705096104] [2020-11-09 12:48:35,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:35,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:48:35,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906632294] [2020-11-09 12:48:35,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:35,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:35,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:35,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:35,987 INFO L87 Difference]: Start difference. First operand 376 states and 1155 transitions. Second operand 4 states. [2020-11-09 12:48:36,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:36,033 INFO L93 Difference]: Finished difference Result 526 states and 1582 transitions. [2020-11-09 12:48:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 12:48:36,033 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-09 12:48:36,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:36,036 INFO L225 Difference]: With dead ends: 526 [2020-11-09 12:48:36,036 INFO L226 Difference]: Without dead ends: 286 [2020-11-09 12:48:36,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:36,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-11-09 12:48:36,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2020-11-09 12:48:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-09 12:48:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 851 transitions. [2020-11-09 12:48:36,049 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 851 transitions. Word has length 13 [2020-11-09 12:48:36,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:36,049 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 851 transitions. [2020-11-09 12:48:36,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:36,050 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 851 transitions. [2020-11-09 12:48:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 12:48:36,051 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:36,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:36,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 12:48:36,051 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash -402598089, now seen corresponding path program 1 times [2020-11-09 12:48:36,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:36,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098667035] [2020-11-09 12:48:36,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:36,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098667035] [2020-11-09 12:48:36,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:36,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 12:48:36,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5319209] [2020-11-09 12:48:36,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:36,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:36,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:36,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:36,170 INFO L87 Difference]: Start difference. First operand 286 states and 851 transitions. Second operand 4 states. [2020-11-09 12:48:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:36,244 INFO L93 Difference]: Finished difference Result 355 states and 990 transitions. [2020-11-09 12:48:36,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:48:36,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-09 12:48:36,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:36,251 INFO L225 Difference]: With dead ends: 355 [2020-11-09 12:48:36,252 INFO L226 Difference]: Without dead ends: 262 [2020-11-09 12:48:36,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-11-09 12:48:36,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2020-11-09 12:48:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-09 12:48:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 738 transitions. [2020-11-09 12:48:36,263 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 738 transitions. Word has length 14 [2020-11-09 12:48:36,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:36,264 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 738 transitions. [2020-11-09 12:48:36,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 738 transitions. [2020-11-09 12:48:36,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 12:48:36,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:36,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:36,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 12:48:36,266 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:36,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:36,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1456913458, now seen corresponding path program 1 times [2020-11-09 12:48:36,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:36,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87524095] [2020-11-09 12:48:36,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:36,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87524095] [2020-11-09 12:48:36,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:36,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:48:36,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505194422] [2020-11-09 12:48:36,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 12:48:36,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:36,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 12:48:36,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:36,348 INFO L87 Difference]: Start difference. First operand 262 states and 738 transitions. Second operand 5 states. [2020-11-09 12:48:36,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:36,422 INFO L93 Difference]: Finished difference Result 283 states and 734 transitions. [2020-11-09 12:48:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 12:48:36,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-09 12:48:36,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:36,425 INFO L225 Difference]: With dead ends: 283 [2020-11-09 12:48:36,425 INFO L226 Difference]: Without dead ends: 208 [2020-11-09 12:48:36,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:48:36,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-11-09 12:48:36,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2020-11-09 12:48:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-11-09 12:48:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 528 transitions. [2020-11-09 12:48:36,433 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 528 transitions. Word has length 15 [2020-11-09 12:48:36,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:36,434 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 528 transitions. [2020-11-09 12:48:36,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 12:48:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 528 transitions. [2020-11-09 12:48:36,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 12:48:36,435 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:36,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:36,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 12:48:36,435 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:36,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:36,436 INFO L82 PathProgramCache]: Analyzing trace with hash -2108608562, now seen corresponding path program 1 times [2020-11-09 12:48:36,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:36,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35108837] [2020-11-09 12:48:36,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:36,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35108837] [2020-11-09 12:48:36,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:36,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 12:48:36,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441554911] [2020-11-09 12:48:36,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 12:48:36,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:36,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 12:48:36,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 12:48:36,511 INFO L87 Difference]: Start difference. First operand 208 states and 528 transitions. Second operand 6 states. [2020-11-09 12:48:36,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:36,634 INFO L93 Difference]: Finished difference Result 201 states and 486 transitions. [2020-11-09 12:48:36,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 12:48:36,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-11-09 12:48:36,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:36,637 INFO L225 Difference]: With dead ends: 201 [2020-11-09 12:48:36,637 INFO L226 Difference]: Without dead ends: 163 [2020-11-09 12:48:36,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:48:36,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-11-09 12:48:36,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-11-09 12:48:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-11-09 12:48:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 394 transitions. [2020-11-09 12:48:36,644 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 394 transitions. Word has length 16 [2020-11-09 12:48:36,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:36,644 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 394 transitions. [2020-11-09 12:48:36,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 12:48:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 394 transitions. [2020-11-09 12:48:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:48:36,645 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:36,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:36,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 12:48:36,646 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:36,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:36,646 INFO L82 PathProgramCache]: Analyzing trace with hash -999056211, now seen corresponding path program 1 times [2020-11-09 12:48:36,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:36,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209185111] [2020-11-09 12:48:36,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:36,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209185111] [2020-11-09 12:48:36,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:36,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:48:36,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747471373] [2020-11-09 12:48:36,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:36,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:36,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:36,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:36,688 INFO L87 Difference]: Start difference. First operand 163 states and 394 transitions. Second operand 4 states. [2020-11-09 12:48:36,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:36,725 INFO L93 Difference]: Finished difference Result 263 states and 604 transitions. [2020-11-09 12:48:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 12:48:36,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-11-09 12:48:36,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:36,728 INFO L225 Difference]: With dead ends: 263 [2020-11-09 12:48:36,728 INFO L226 Difference]: Without dead ends: 127 [2020-11-09 12:48:36,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:36,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-11-09 12:48:36,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2020-11-09 12:48:36,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-09 12:48:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions. [2020-11-09 12:48:36,735 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 18 [2020-11-09 12:48:36,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:36,735 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions. [2020-11-09 12:48:36,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions. [2020-11-09 12:48:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:48:36,736 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:36,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:36,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 12:48:36,737 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:36,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:36,737 INFO L82 PathProgramCache]: Analyzing trace with hash 833653032, now seen corresponding path program 1 times [2020-11-09 12:48:36,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:36,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265968393] [2020-11-09 12:48:36,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:36,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265968393] [2020-11-09 12:48:36,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:36,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 12:48:36,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849574416] [2020-11-09 12:48:36,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 12:48:36,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:36,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 12:48:36,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 12:48:36,811 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 4 states. [2020-11-09 12:48:36,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:36,839 INFO L93 Difference]: Finished difference Result 142 states and 293 transitions. [2020-11-09 12:48:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 12:48:36,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-11-09 12:48:36,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:36,840 INFO L225 Difference]: With dead ends: 142 [2020-11-09 12:48:36,841 INFO L226 Difference]: Without dead ends: 87 [2020-11-09 12:48:36,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 12:48:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-09 12:48:36,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2020-11-09 12:48:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-11-09 12:48:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 160 transitions. [2020-11-09 12:48:36,845 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 160 transitions. Word has length 18 [2020-11-09 12:48:36,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:36,845 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 160 transitions. [2020-11-09 12:48:36,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 12:48:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 160 transitions. [2020-11-09 12:48:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-09 12:48:36,846 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 12:48:36,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 12:48:36,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 12:48:36,847 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 12:48:36,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 12:48:36,847 INFO L82 PathProgramCache]: Analyzing trace with hash 721666079, now seen corresponding path program 2 times [2020-11-09 12:48:36,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 12:48:36,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909895105] [2020-11-09 12:48:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 12:48:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 12:48:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 12:48:36,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909895105] [2020-11-09 12:48:36,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 12:48:36,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 12:48:36,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124616590] [2020-11-09 12:48:36,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 12:48:36,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 12:48:36,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 12:48:36,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-09 12:48:36,936 INFO L87 Difference]: Start difference. First operand 86 states and 160 transitions. Second operand 7 states. [2020-11-09 12:48:37,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 12:48:37,022 INFO L93 Difference]: Finished difference Result 81 states and 154 transitions. [2020-11-09 12:48:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 12:48:37,022 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-11-09 12:48:37,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 12:48:37,024 INFO L225 Difference]: With dead ends: 81 [2020-11-09 12:48:37,025 INFO L226 Difference]: Without dead ends: 0 [2020-11-09 12:48:37,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-09 12:48:37,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-09 12:48:37,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-09 12:48:37,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-09 12:48:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-09 12:48:37,026 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-11-09 12:48:37,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 12:48:37,026 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-09 12:48:37,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 12:48:37,026 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-09 12:48:37,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-09 12:48:37,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 12:48:37,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:48:37 BasicIcfg [2020-11-09 12:48:37,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 12:48:37,033 INFO L168 Benchmark]: Toolchain (without parser) took 12181.89 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 125.1 MB in the beginning and 154.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 46.7 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:37,034 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 12:48:37,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.87 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 93.2 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:37,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.59 ms. Allocated memory is still 151.0 MB. Free memory was 93.2 MB in the beginning and 91.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:37,039 INFO L168 Benchmark]: Boogie Preprocessor took 34.32 ms. Allocated memory is still 151.0 MB. Free memory was 91.2 MB in the beginning and 89.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:37,040 INFO L168 Benchmark]: RCFGBuilder took 769.73 ms. Allocated memory is still 151.0 MB. Free memory was 89.7 MB in the beginning and 66.0 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-11-09 12:48:37,041 INFO L168 Benchmark]: TraceAbstraction took 10481.37 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 65.6 MB in the beginning and 154.9 MB in the end (delta: -89.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 12:48:37,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 822.87 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 93.2 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.59 ms. Allocated memory is still 151.0 MB. Free memory was 93.2 MB in the beginning and 91.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.32 ms. Allocated memory is still 151.0 MB. Free memory was 91.2 MB in the beginning and 89.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 769.73 ms. Allocated memory is still 151.0 MB. Free memory was 89.7 MB in the beginning and 66.0 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10481.37 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 65.6 MB in the beginning and 154.9 MB in the end (delta: -89.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1452 VarBasedMoverChecksPositive, 69 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 53 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 96 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.1s, 100 PlacesBefore, 38 PlacesAfterwards, 90 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 7 FixpointIterations, 18 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 85 TotalNumberOfCompositions, 4371 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.2s, HoareTripleCheckerStatistics: 218 SDtfs, 241 SDslu, 328 SDs, 0 SdLazy, 161 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 5745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...