/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/safe027_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:21:13,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:21:13,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:21:13,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:21:13,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:21:13,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:21:13,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:21:13,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:21:13,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:21:13,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:21:13,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:21:13,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:21:13,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:21:13,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:21:13,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:21:13,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:21:13,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:21:13,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:21:13,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:21:13,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:21:13,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:21:13,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:21:13,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:21:13,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:21:13,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 11:21:13,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:21:13,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:21:13,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:21:13,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:21:13,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:21:13,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:21:13,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:21:13,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:21:13,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:21:13,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:21:13,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:21:13,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-16 11:21:13,916 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:21:13,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:21:13,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:21:13,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:21:13,918 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:21:13,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:21:13,918 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:21:13,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:21:13,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:21:13,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:21:13,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:21:13,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:21:13,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:21:13,924 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:21:13,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:21:13,925 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:21:13,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:21:13,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:21:13,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:21:13,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:21:13,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:21:13,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:21:13,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:21:13,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 11:21:13,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:21:13,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:21:13,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:21:13,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:21:13,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-16 11:21:13,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 11:21:14,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:21:14,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:21:14,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:21:14,302 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:21:14,302 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:21:14,303 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i [2020-10-16 11:21:14,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/846c98483/2676b42049d246c398a4d3d2e6855552/FLAG7dde58ea4 [2020-10-16 11:21:14,949 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:21:14,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i [2020-10-16 11:21:14,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/846c98483/2676b42049d246c398a4d3d2e6855552/FLAG7dde58ea4 [2020-10-16 11:21:15,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/846c98483/2676b42049d246c398a4d3d2e6855552 [2020-10-16 11:21:15,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:21:15,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:21:15,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:21:15,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:21:15,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:21:15,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:15,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c29b860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15, skipping insertion in model container [2020-10-16 11:21:15,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:15,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:21:15,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:21:15,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:21:15,669 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:21:15,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:21:15,947 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:21:15,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15 WrapperNode [2020-10-16 11:21:15,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:21:15,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:21:15,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:21:15,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:21:15,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:15,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:16,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:21:16,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:21:16,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:21:16,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:21:16,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:16,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:16,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:16,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:16,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:16,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:16,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... [2020-10-16 11:21:16,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:21:16,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:21:16,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:21:16,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:21:16,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:21:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:21:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 11:21:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:21:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:21:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 11:21:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 11:21:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 11:21:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 11:21:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 11:21:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 11:21:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 11:21:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 11:21:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 11:21:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:21:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:21:16,119 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:21:16,492 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:21:16,492 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 11:21:16,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:21:16 BoogieIcfgContainer [2020-10-16 11:21:16,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:21:16,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:21:16,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:21:16,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:21:16,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:21:15" (1/3) ... [2020-10-16 11:21:16,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8016cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:21:16, skipping insertion in model container [2020-10-16 11:21:16,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:21:15" (2/3) ... [2020-10-16 11:21:16,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8016cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:21:16, skipping insertion in model container [2020-10-16 11:21:16,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:21:16" (3/3) ... [2020-10-16 11:21:16,505 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc.i [2020-10-16 11:21:16,517 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:21:16,517 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:21:16,524 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 11:21:16,526 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:21:16,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,561 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,561 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,565 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,565 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,567 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,567 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,567 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,567 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,568 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,568 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,569 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,569 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,571 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,574 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,575 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,575 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,575 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,587 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,587 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,587 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,588 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,592 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,592 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,595 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,596 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:21:16,599 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:21:16,613 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 11:21:16,632 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:21:16,633 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:21:16,633 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 11:21:16,633 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:21:16,633 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:21:16,633 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:21:16,633 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:21:16,634 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:21:16,647 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 11:21:16,650 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 82 transitions, 184 flow [2020-10-16 11:21:16,652 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 82 transitions, 184 flow [2020-10-16 11:21:16,653 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 93 places, 82 transitions, 184 flow [2020-10-16 11:21:16,706 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2020-10-16 11:21:16,706 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 11:21:16,714 INFO L80 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-10-16 11:21:16,718 INFO L117 LiptonReduction]: Number of co-enabled transitions 1822 [2020-10-16 11:21:18,262 INFO L132 LiptonReduction]: Checked pairs total: 3047 [2020-10-16 11:21:18,262 INFO L134 LiptonReduction]: Total number of compositions: 64 [2020-10-16 11:21:18,269 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 27 transitions, 74 flow [2020-10-16 11:21:18,322 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 850 states. [2020-10-16 11:21:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states. [2020-10-16 11:21:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 11:21:18,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:18,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:18,336 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:18,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:18,342 INFO L82 PathProgramCache]: Analyzing trace with hash 91051740, now seen corresponding path program 1 times [2020-10-16 11:21:18,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:18,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834102294] [2020-10-16 11:21:18,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:18,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834102294] [2020-10-16 11:21:18,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:18,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:21:18,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838189771] [2020-10-16 11:21:18,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 11:21:18,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:18,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 11:21:18,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 11:21:18,568 INFO L87 Difference]: Start difference. First operand 850 states. Second operand 2 states. [2020-10-16 11:21:18,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:18,633 INFO L93 Difference]: Finished difference Result 850 states and 2994 transitions. [2020-10-16 11:21:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 11:21:18,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-16 11:21:18,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:18,678 INFO L225 Difference]: With dead ends: 850 [2020-10-16 11:21:18,679 INFO L226 Difference]: Without dead ends: 706 [2020-10-16 11:21:18,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 11:21:18,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-10-16 11:21:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2020-10-16 11:21:18,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-10-16 11:21:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2442 transitions. [2020-10-16 11:21:18,805 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2442 transitions. Word has length 10 [2020-10-16 11:21:18,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:18,807 INFO L481 AbstractCegarLoop]: Abstraction has 706 states and 2442 transitions. [2020-10-16 11:21:18,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 11:21:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2442 transitions. [2020-10-16 11:21:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 11:21:18,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:18,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:18,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:21:18,811 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:18,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:18,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1472387704, now seen corresponding path program 1 times [2020-10-16 11:21:18,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:18,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578152859] [2020-10-16 11:21:18,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:18,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578152859] [2020-10-16 11:21:18,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:18,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:21:18,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378757638] [2020-10-16 11:21:18,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:21:18,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:18,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:21:18,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:21:18,971 INFO L87 Difference]: Start difference. First operand 706 states and 2442 transitions. Second operand 4 states. [2020-10-16 11:21:19,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:19,007 INFO L93 Difference]: Finished difference Result 778 states and 2592 transitions. [2020-10-16 11:21:19,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:21:19,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-16 11:21:19,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:19,014 INFO L225 Difference]: With dead ends: 778 [2020-10-16 11:21:19,014 INFO L226 Difference]: Without dead ends: 634 [2020-10-16 11:21:19,015 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 [2020-10-16 11:21:19,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-16 11:21:19,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-10-16 11:21:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-10-16 11:21:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 2148 transitions. [2020-10-16 11:21:19,047 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 2148 transitions. Word has length 11 [2020-10-16 11:21:19,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:19,047 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 2148 transitions. [2020-10-16 11:21:19,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:21:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 2148 transitions. [2020-10-16 11:21:19,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 11:21:19,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:19,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:19,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:21:19,051 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:19,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:19,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1607812272, now seen corresponding path program 1 times [2020-10-16 11:21:19,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:19,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751190761] [2020-10-16 11:21:19,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:19,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751190761] [2020-10-16 11:21:19,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:19,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:21:19,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879585897] [2020-10-16 11:21:19,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:21:19,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:19,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:21:19,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:21:19,122 INFO L87 Difference]: Start difference. First operand 634 states and 2148 transitions. Second operand 5 states. [2020-10-16 11:21:19,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:19,187 INFO L93 Difference]: Finished difference Result 862 states and 2843 transitions. [2020-10-16 11:21:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:21:19,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-16 11:21:19,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:19,192 INFO L225 Difference]: With dead ends: 862 [2020-10-16 11:21:19,192 INFO L226 Difference]: Without dead ends: 466 [2020-10-16 11:21:19,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:21:19,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-16 11:21:19,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2020-10-16 11:21:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-16 11:21:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 1482 transitions. [2020-10-16 11:21:19,238 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 1482 transitions. Word has length 12 [2020-10-16 11:21:19,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:19,238 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 1482 transitions. [2020-10-16 11:21:19,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:21:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1482 transitions. [2020-10-16 11:21:19,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 11:21:19,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:19,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:19,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:21:19,241 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:19,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:19,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1203540713, now seen corresponding path program 1 times [2020-10-16 11:21:19,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:19,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889208418] [2020-10-16 11:21:19,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:19,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889208418] [2020-10-16 11:21:19,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:19,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:21:19,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106390162] [2020-10-16 11:21:19,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:21:19,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:19,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:21:19,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:21:19,355 INFO L87 Difference]: Start difference. First operand 466 states and 1482 transitions. Second operand 4 states. [2020-10-16 11:21:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:19,378 INFO L93 Difference]: Finished difference Result 502 states and 1548 transitions. [2020-10-16 11:21:19,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:21:19,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 11:21:19,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:19,382 INFO L225 Difference]: With dead ends: 502 [2020-10-16 11:21:19,382 INFO L226 Difference]: Without dead ends: 430 [2020-10-16 11:21:19,384 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 [2020-10-16 11:21:19,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-16 11:21:19,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2020-10-16 11:21:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-16 11:21:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 1344 transitions. [2020-10-16 11:21:19,400 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 1344 transitions. Word has length 13 [2020-10-16 11:21:19,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:19,400 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 1344 transitions. [2020-10-16 11:21:19,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:21:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1344 transitions. [2020-10-16 11:21:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 11:21:19,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:19,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:19,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:21:19,403 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:19,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:19,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1251334402, now seen corresponding path program 1 times [2020-10-16 11:21:19,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:19,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814678534] [2020-10-16 11:21:19,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:19,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814678534] [2020-10-16 11:21:19,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:19,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:21:19,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475635112] [2020-10-16 11:21:19,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:21:19,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:19,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:21:19,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:21:19,515 INFO L87 Difference]: Start difference. First operand 430 states and 1344 transitions. Second operand 5 states. [2020-10-16 11:21:19,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:19,580 INFO L93 Difference]: Finished difference Result 556 states and 1707 transitions. [2020-10-16 11:21:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:21:19,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 11:21:19,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:19,583 INFO L225 Difference]: With dead ends: 556 [2020-10-16 11:21:19,583 INFO L226 Difference]: Without dead ends: 262 [2020-10-16 11:21:19,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:21:19,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-16 11:21:19,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2020-10-16 11:21:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-16 11:21:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 771 transitions. [2020-10-16 11:21:19,594 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 771 transitions. Word has length 14 [2020-10-16 11:21:19,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:19,594 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 771 transitions. [2020-10-16 11:21:19,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:21:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 771 transitions. [2020-10-16 11:21:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 11:21:19,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:19,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:19,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:21:19,596 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:19,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:19,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1257194017, now seen corresponding path program 1 times [2020-10-16 11:21:19,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:19,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091982128] [2020-10-16 11:21:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:19,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091982128] [2020-10-16 11:21:19,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:19,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:21:19,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423705056] [2020-10-16 11:21:19,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:21:19,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:19,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:21:19,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:21:19,701 INFO L87 Difference]: Start difference. First operand 262 states and 771 transitions. Second operand 4 states. [2020-10-16 11:21:19,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:19,739 INFO L93 Difference]: Finished difference Result 319 states and 873 transitions. [2020-10-16 11:21:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:21:19,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-16 11:21:19,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:19,742 INFO L225 Difference]: With dead ends: 319 [2020-10-16 11:21:19,743 INFO L226 Difference]: Without dead ends: 238 [2020-10-16 11:21:19,743 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 [2020-10-16 11:21:19,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-16 11:21:19,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-10-16 11:21:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-10-16 11:21:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 659 transitions. [2020-10-16 11:21:19,752 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 659 transitions. Word has length 15 [2020-10-16 11:21:19,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:19,752 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 659 transitions. [2020-10-16 11:21:19,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:21:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 659 transitions. [2020-10-16 11:21:19,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 11:21:19,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:19,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:19,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:21:19,754 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:19,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:19,754 INFO L82 PathProgramCache]: Analyzing trace with hash -857649028, now seen corresponding path program 1 times [2020-10-16 11:21:19,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:19,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674106886] [2020-10-16 11:21:19,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:19,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674106886] [2020-10-16 11:21:19,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:19,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:21:19,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911218373] [2020-10-16 11:21:19,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:21:19,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:19,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:21:19,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:21:19,829 INFO L87 Difference]: Start difference. First operand 238 states and 659 transitions. Second operand 5 states. [2020-10-16 11:21:19,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:19,880 INFO L93 Difference]: Finished difference Result 247 states and 617 transitions. [2020-10-16 11:21:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 11:21:19,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-16 11:21:19,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:19,882 INFO L225 Difference]: With dead ends: 247 [2020-10-16 11:21:19,883 INFO L226 Difference]: Without dead ends: 182 [2020-10-16 11:21:19,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:21:19,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-16 11:21:19,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-10-16 11:21:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-16 11:21:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 443 transitions. [2020-10-16 11:21:19,890 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 443 transitions. Word has length 16 [2020-10-16 11:21:19,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:19,891 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 443 transitions. [2020-10-16 11:21:19,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:21:19,891 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 443 transitions. [2020-10-16 11:21:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 11:21:19,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:19,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:19,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:21:19,892 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:19,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:19,893 INFO L82 PathProgramCache]: Analyzing trace with hash -981483084, now seen corresponding path program 1 times [2020-10-16 11:21:19,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:19,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411120472] [2020-10-16 11:21:19,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:19,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411120472] [2020-10-16 11:21:19,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:19,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 11:21:19,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002064671] [2020-10-16 11:21:19,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 11:21:19,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:19,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 11:21:19,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 11:21:19,958 INFO L87 Difference]: Start difference. First operand 182 states and 443 transitions. Second operand 6 states. [2020-10-16 11:21:20,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:20,017 INFO L93 Difference]: Finished difference Result 165 states and 373 transitions. [2020-10-16 11:21:20,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 11:21:20,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-16 11:21:20,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:20,019 INFO L225 Difference]: With dead ends: 165 [2020-10-16 11:21:20,019 INFO L226 Difference]: Without dead ends: 132 [2020-10-16 11:21:20,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:21:20,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-16 11:21:20,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-10-16 11:21:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-16 11:21:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 295 transitions. [2020-10-16 11:21:20,024 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 295 transitions. Word has length 17 [2020-10-16 11:21:20,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:20,025 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 295 transitions. [2020-10-16 11:21:20,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 11:21:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 295 transitions. [2020-10-16 11:21:20,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 11:21:20,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:20,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:20,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 11:21:20,026 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:20,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:20,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1311703103, now seen corresponding path program 1 times [2020-10-16 11:21:20,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:20,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642335546] [2020-10-16 11:21:20,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:20,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642335546] [2020-10-16 11:21:20,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:20,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 11:21:20,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159280344] [2020-10-16 11:21:20,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 11:21:20,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:20,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 11:21:20,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:21:20,102 INFO L87 Difference]: Start difference. First operand 132 states and 295 transitions. Second operand 7 states. [2020-10-16 11:21:20,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:20,169 INFO L93 Difference]: Finished difference Result 121 states and 271 transitions. [2020-10-16 11:21:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 11:21:20,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-10-16 11:21:20,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:20,171 INFO L225 Difference]: With dead ends: 121 [2020-10-16 11:21:20,171 INFO L226 Difference]: Without dead ends: 112 [2020-10-16 11:21:20,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 11:21:20,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-16 11:21:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-16 11:21:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-16 11:21:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 255 transitions. [2020-10-16 11:21:20,175 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 255 transitions. Word has length 19 [2020-10-16 11:21:20,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:20,176 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 255 transitions. [2020-10-16 11:21:20,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 11:21:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 255 transitions. [2020-10-16 11:21:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 11:21:20,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:20,177 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:20,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 11:21:20,177 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:20,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:20,177 INFO L82 PathProgramCache]: Analyzing trace with hash 188961609, now seen corresponding path program 1 times [2020-10-16 11:21:20,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:20,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889115894] [2020-10-16 11:21:20,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:20,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889115894] [2020-10-16 11:21:20,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:20,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:21:20,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402204879] [2020-10-16 11:21:20,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:21:20,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:20,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:21:20,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:21:20,255 INFO L87 Difference]: Start difference. First operand 112 states and 255 transitions. Second operand 5 states. [2020-10-16 11:21:20,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:20,286 INFO L93 Difference]: Finished difference Result 146 states and 329 transitions. [2020-10-16 11:21:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:21:20,287 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-16 11:21:20,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:20,287 INFO L225 Difference]: With dead ends: 146 [2020-10-16 11:21:20,288 INFO L226 Difference]: Without dead ends: 52 [2020-10-16 11:21:20,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:21:20,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-16 11:21:20,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-16 11:21:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-16 11:21:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 98 transitions. [2020-10-16 11:21:20,290 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 98 transitions. Word has length 21 [2020-10-16 11:21:20,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:20,291 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 98 transitions. [2020-10-16 11:21:20,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:21:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2020-10-16 11:21:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 11:21:20,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:21:20,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:21:20,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 11:21:20,292 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:21:20,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:21:20,292 INFO L82 PathProgramCache]: Analyzing trace with hash -62971415, now seen corresponding path program 2 times [2020-10-16 11:21:20,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:21:20,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063642105] [2020-10-16 11:21:20,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:21:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:21:20,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:21:20,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063642105] [2020-10-16 11:21:20,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:21:20,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 11:21:20,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244620943] [2020-10-16 11:21:20,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 11:21:20,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:21:20,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 11:21:20,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:21:20,332 INFO L87 Difference]: Start difference. First operand 52 states and 98 transitions. Second operand 5 states. [2020-10-16 11:21:20,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:21:20,353 INFO L93 Difference]: Finished difference Result 51 states and 97 transitions. [2020-10-16 11:21:20,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:21:20,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-16 11:21:20,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:21:20,354 INFO L225 Difference]: With dead ends: 51 [2020-10-16 11:21:20,354 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 11:21:20,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 11:21:20,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 11:21:20,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 11:21:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 11:21:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 11:21:20,355 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-10-16 11:21:20,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:21:20,355 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 11:21:20,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 11:21:20,355 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 11:21:20,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 11:21:20,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 11:21:20,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:21:20 BasicIcfg [2020-10-16 11:21:20,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:21:20,363 INFO L168 Benchmark]: Toolchain (without parser) took 5137.47 ms. Allocated memory was 138.9 MB in the beginning and 297.8 MB in the end (delta: 158.9 MB). Free memory was 101.0 MB in the beginning and 241.6 MB in the end (delta: -140.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:21:20,364 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:21:20,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.71 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 100.6 MB in the beginning and 158.9 MB in the end (delta: -58.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-10-16 11:21:20,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.41 ms. Allocated memory is still 200.8 MB. Free memory was 158.9 MB in the beginning and 156.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:21:20,366 INFO L168 Benchmark]: Boogie Preprocessor took 29.82 ms. Allocated memory is still 200.8 MB. Free memory was 156.7 MB in the beginning and 155.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-16 11:21:20,367 INFO L168 Benchmark]: RCFGBuilder took 464.89 ms. Allocated memory is still 200.8 MB. Free memory was 154.7 MB in the beginning and 130.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:21:20,368 INFO L168 Benchmark]: TraceAbstraction took 3862.86 ms. Allocated memory was 200.8 MB in the beginning and 297.8 MB in the end (delta: 97.0 MB). Free memory was 130.5 MB in the beginning and 241.6 MB in the end (delta: -111.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 11:21:20,372 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.71 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 100.6 MB in the beginning and 158.9 MB in the end (delta: -58.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.41 ms. Allocated memory is still 200.8 MB. Free memory was 158.9 MB in the beginning and 156.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.82 ms. Allocated memory is still 200.8 MB. Free memory was 156.7 MB in the beginning and 155.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 464.89 ms. Allocated memory is still 200.8 MB. Free memory was 154.7 MB in the beginning and 130.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3862.86 ms. Allocated memory was 200.8 MB in the beginning and 297.8 MB in the end (delta: 97.0 MB). Free memory was 130.5 MB in the beginning and 241.6 MB in the end (delta: -111.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1256 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 14 SemBasedMoverChecksPositive, 30 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 115 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 93 PlacesBefore, 39 PlacesAfterwards, 82 TransitionsBefore, 27 TransitionsAfterwards, 1822 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 64 TotalNumberOfCompositions, 3047 MoverChecksTotal - PositiveResult [Line: 7]: 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, 81 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 267 SDtfs, 301 SDslu, 479 SDs, 0 SdLazy, 217 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=850occurred 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, 11 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 6930 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...