/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 16:23:10,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 16:23:10,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 16:23:10,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-03 16:23:10,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-03 16:23:10,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 16:23:10,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 16:23:10,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 16:23:10,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 16:23:10,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 16:23:10,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 16:23:10,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 16:23:10,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 16:23:10,189 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 16:23:10,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 16:23:10,190 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 16:23:10,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 16:23:10,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 16:23:10,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 16:23:10,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 16:23:10,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 16:23:10,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 16:23:10,191 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 16:23:10,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 16:23:10,191 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 16:23:10,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 16:23:10,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 16:23:10,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 16:23:10,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 16:23:10,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 16:23:10,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:23:10,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 16:23:10,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 16:23:10,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 16:23:10,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 16:23:10,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 16:23:10,192 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 16:23:10,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 16:23:10,193 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 16:23:10,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 16:23:10,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 16:23:10,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 16:23:10,364 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 16:23:10,365 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 16:23:10,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-03-03 16:23:10,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3839226d/aff86ab5c1004ad4a51aa4603be69ce7/FLAGc4f352590 [2022-03-03 16:23:10,785 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 16:23:10,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-03-03 16:23:10,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3839226d/aff86ab5c1004ad4a51aa4603be69ce7/FLAGc4f352590 [2022-03-03 16:23:11,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3839226d/aff86ab5c1004ad4a51aa4603be69ce7 [2022-03-03 16:23:11,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 16:23:11,181 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 16:23:11,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 16:23:11,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 16:23:11,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 16:23:11,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309c468a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11, skipping insertion in model container [2022-03-03 16:23:11,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 16:23:11,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 16:23:11,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-03-03 16:23:11,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:23:11,529 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 16:23:11,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-03-03 16:23:11,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:23:11,586 INFO L208 MainTranslator]: Completed translation [2022-03-03 16:23:11,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11 WrapperNode [2022-03-03 16:23:11,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 16:23:11,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 16:23:11,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 16:23:11,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 16:23:11,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,641 INFO L137 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2022-03-03 16:23:11,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 16:23:11,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 16:23:11,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 16:23:11,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 16:23:11,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 16:23:11,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 16:23:11,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 16:23:11,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 16:23:11,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (1/1) ... [2022-03-03 16:23:11,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:23:11,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:23:11,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 16:23:11,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 16:23:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 16:23:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-03 16:23:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 16:23:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 16:23:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 16:23:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-03-03 16:23:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-03-03 16:23:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-03-03 16:23:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-03-03 16:23:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-03-03 16:23:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-03-03 16:23:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-03-03 16:23:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-03-03 16:23:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 16:23:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-03 16:23:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 16:23:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 16:23:11,723 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 16:23:11,842 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 16:23:11,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 16:23:11,988 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 16:23:11,993 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 16:23:11,993 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 16:23:11,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:23:11 BoogieIcfgContainer [2022-03-03 16:23:11,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 16:23:11,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 16:23:11,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 16:23:12,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 16:23:12,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 04:23:11" (1/3) ... [2022-03-03 16:23:12,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58849a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:23:12, skipping insertion in model container [2022-03-03 16:23:12,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:23:11" (2/3) ... [2022-03-03 16:23:12,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58849a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:23:12, skipping insertion in model container [2022-03-03 16:23:12,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:23:11" (3/3) ... [2022-03-03 16:23:12,008 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-03-03 16:23:12,011 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 16:23:12,011 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 16:23:12,012 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 16:23:12,012 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 16:23:12,042 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,042 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,042 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,042 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,043 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,043 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,043 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,043 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,043 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,044 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,044 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,044 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,044 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,044 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,044 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,044 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,045 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,045 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,045 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,045 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,046 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,046 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,046 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,046 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,046 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,046 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,047 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,047 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,047 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,047 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,047 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,047 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,047 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,048 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,048 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,048 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,048 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,048 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,048 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,048 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,049 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,049 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,049 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,049 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,049 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,049 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,050 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,050 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,052 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,053 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,053 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,053 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,055 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,055 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,055 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,055 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,056 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,056 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,056 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,056 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,059 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,059 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,059 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,059 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:23:12,060 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 16:23:12,091 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 16:23:12,096 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 16:23:12,096 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-03 16:23:12,104 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 117 places, 106 transitions, 232 flow [2022-03-03 16:23:13,208 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34178 states, 34177 states have (on average 4.310267138719022) internal successors, (147312), 34177 states have internal predecessors, (147312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 34178 states, 34177 states have (on average 4.310267138719022) internal successors, (147312), 34177 states have internal predecessors, (147312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:13,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-03-03 16:23:13,398 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:13,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:13,400 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:13,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:13,407 INFO L85 PathProgramCache]: Analyzing trace with hash -793453068, now seen corresponding path program 1 times [2022-03-03 16:23:13,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:13,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063509027] [2022-03-03 16:23:13,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:13,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:13,944 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:13,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063509027] [2022-03-03 16:23:13,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063509027] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:13,945 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:13,946 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:23:13,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342829167] [2022-03-03 16:23:13,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:13,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:23:13,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:13,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:23:13,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:23:14,038 INFO L87 Difference]: Start difference. First operand has 34178 states, 34177 states have (on average 4.310267138719022) internal successors, (147312), 34177 states have internal predecessors, (147312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:15,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:15,280 INFO L93 Difference]: Finished difference Result 56870 states and 238198 transitions. [2022-03-03 16:23:15,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 16:23:15,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-03-03 16:23:15,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:15,643 INFO L225 Difference]: With dead ends: 56870 [2022-03-03 16:23:15,644 INFO L226 Difference]: Without dead ends: 38126 [2022-03-03 16:23:15,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:23:15,647 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 226 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:15,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 803 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:23:15,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38126 states. [2022-03-03 16:23:17,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38126 to 33086. [2022-03-03 16:23:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33086 states, 33085 states have (on average 4.173673870333988) internal successors, (138086), 33085 states have internal predecessors, (138086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33086 states to 33086 states and 138086 transitions. [2022-03-03 16:23:17,587 INFO L78 Accepts]: Start accepts. Automaton has 33086 states and 138086 transitions. Word has length 62 [2022-03-03 16:23:17,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:17,595 INFO L470 AbstractCegarLoop]: Abstraction has 33086 states and 138086 transitions. [2022-03-03 16:23:17,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 33086 states and 138086 transitions. [2022-03-03 16:23:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-03 16:23:17,709 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:17,709 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:17,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 16:23:17,710 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:17,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1154109869, now seen corresponding path program 1 times [2022-03-03 16:23:17,711 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:17,711 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692910868] [2022-03-03 16:23:17,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:17,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:17,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:17,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692910868] [2022-03-03 16:23:17,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692910868] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:17,861 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:17,861 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:23:17,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597086394] [2022-03-03 16:23:17,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:17,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:23:17,862 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:17,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:23:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:23:17,863 INFO L87 Difference]: Start difference. First operand 33086 states and 138086 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:18,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:18,646 INFO L93 Difference]: Finished difference Result 46766 states and 193352 transitions. [2022-03-03 16:23:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 16:23:18,646 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-03-03 16:23:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:19,038 INFO L225 Difference]: With dead ends: 46766 [2022-03-03 16:23:19,038 INFO L226 Difference]: Without dead ends: 37106 [2022-03-03 16:23:19,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:23:19,040 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 212 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:19,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 723 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:23:19,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37106 states. [2022-03-03 16:23:20,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37106 to 31826. [2022-03-03 16:23:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31826 states, 31825 states have (on average 4.155475255302435) internal successors, (132248), 31825 states have internal predecessors, (132248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:20,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31826 states to 31826 states and 132248 transitions. [2022-03-03 16:23:20,394 INFO L78 Accepts]: Start accepts. Automaton has 31826 states and 132248 transitions. Word has length 64 [2022-03-03 16:23:20,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:20,396 INFO L470 AbstractCegarLoop]: Abstraction has 31826 states and 132248 transitions. [2022-03-03 16:23:20,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 31826 states and 132248 transitions. [2022-03-03 16:23:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-03 16:23:20,467 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:20,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:20,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 16:23:20,468 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:20,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:20,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1338787916, now seen corresponding path program 1 times [2022-03-03 16:23:20,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:20,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640347024] [2022-03-03 16:23:20,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:20,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:20,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:20,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640347024] [2022-03-03 16:23:20,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640347024] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:20,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:20,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:23:20,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11501433] [2022-03-03 16:23:20,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:20,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:23:20,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:20,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:23:20,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:23:20,604 INFO L87 Difference]: Start difference. First operand 31826 states and 132248 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:21,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:21,294 INFO L93 Difference]: Finished difference Result 41546 states and 171086 transitions. [2022-03-03 16:23:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 16:23:21,294 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-03-03 16:23:21,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:21,451 INFO L225 Difference]: With dead ends: 41546 [2022-03-03 16:23:21,451 INFO L226 Difference]: Without dead ends: 35426 [2022-03-03 16:23:21,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:23:21,457 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 223 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:21,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 601 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:23:21,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35426 states. [2022-03-03 16:23:22,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35426 to 30146. [2022-03-03 16:23:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30146 states, 30145 states have (on average 4.142776579863991) internal successors, (124884), 30145 states have internal predecessors, (124884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30146 states to 30146 states and 124884 transitions. [2022-03-03 16:23:22,751 INFO L78 Accepts]: Start accepts. Automaton has 30146 states and 124884 transitions. Word has length 66 [2022-03-03 16:23:22,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:22,752 INFO L470 AbstractCegarLoop]: Abstraction has 30146 states and 124884 transitions. [2022-03-03 16:23:22,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 30146 states and 124884 transitions. [2022-03-03 16:23:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-03 16:23:22,812 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:22,812 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:22,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 16:23:22,812 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:22,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:22,813 INFO L85 PathProgramCache]: Analyzing trace with hash 394272013, now seen corresponding path program 1 times [2022-03-03 16:23:22,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:22,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750740779] [2022-03-03 16:23:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:22,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:23,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:23,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750740779] [2022-03-03 16:23:23,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750740779] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:23,103 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:23,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:23:23,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932379762] [2022-03-03 16:23:23,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:23,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:23:23,104 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:23,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:23:23,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:23:23,105 INFO L87 Difference]: Start difference. First operand 30146 states and 124884 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:23,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:23,559 INFO L93 Difference]: Finished difference Result 44546 states and 183036 transitions. [2022-03-03 16:23:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 16:23:23,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-03-03 16:23:23,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:23,698 INFO L225 Difference]: With dead ends: 44546 [2022-03-03 16:23:23,698 INFO L226 Difference]: Without dead ends: 30866 [2022-03-03 16:23:23,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-03-03 16:23:23,699 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 177 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:23,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 778 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:23:23,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30866 states. [2022-03-03 16:23:24,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30866 to 24266. [2022-03-03 16:23:24,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24266 states, 24265 states have (on average 4.105254481763858) internal successors, (99614), 24265 states have internal predecessors, (99614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24266 states to 24266 states and 99614 transitions. [2022-03-03 16:23:24,754 INFO L78 Accepts]: Start accepts. Automaton has 24266 states and 99614 transitions. Word has length 67 [2022-03-03 16:23:24,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:24,754 INFO L470 AbstractCegarLoop]: Abstraction has 24266 states and 99614 transitions. [2022-03-03 16:23:24,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:24,754 INFO L276 IsEmpty]: Start isEmpty. Operand 24266 states and 99614 transitions. [2022-03-03 16:23:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-03 16:23:24,802 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:24,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:24,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 16:23:24,802 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:24,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:24,803 INFO L85 PathProgramCache]: Analyzing trace with hash 904369627, now seen corresponding path program 1 times [2022-03-03 16:23:24,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:24,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975311302] [2022-03-03 16:23:24,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:24,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:24,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:24,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975311302] [2022-03-03 16:23:24,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975311302] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:24,941 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:24,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 16:23:24,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091057106] [2022-03-03 16:23:24,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:24,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 16:23:24,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:24,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 16:23:24,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-03 16:23:24,942 INFO L87 Difference]: Start difference. First operand 24266 states and 99614 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:25,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:25,542 INFO L93 Difference]: Finished difference Result 42266 states and 172274 transitions. [2022-03-03 16:23:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 16:23:25,542 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-03-03 16:23:25,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:25,709 INFO L225 Difference]: With dead ends: 42266 [2022-03-03 16:23:25,709 INFO L226 Difference]: Without dead ends: 24951 [2022-03-03 16:23:25,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-03-03 16:23:25,710 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 226 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:25,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 576 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:23:25,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24951 states. [2022-03-03 16:23:26,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24951 to 21591. [2022-03-03 16:23:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21591 states, 21590 states have (on average 4.076609541454377) internal successors, (88014), 21590 states have internal predecessors, (88014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21591 states to 21591 states and 88014 transitions. [2022-03-03 16:23:26,492 INFO L78 Accepts]: Start accepts. Automaton has 21591 states and 88014 transitions. Word has length 68 [2022-03-03 16:23:26,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:26,493 INFO L470 AbstractCegarLoop]: Abstraction has 21591 states and 88014 transitions. [2022-03-03 16:23:26,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 21591 states and 88014 transitions. [2022-03-03 16:23:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-03 16:23:26,537 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:26,537 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:26,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 16:23:26,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:26,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:26,538 INFO L85 PathProgramCache]: Analyzing trace with hash 163149299, now seen corresponding path program 2 times [2022-03-03 16:23:26,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:26,539 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779517433] [2022-03-03 16:23:26,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:26,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:26,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:26,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779517433] [2022-03-03 16:23:26,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779517433] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:26,627 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:26,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 16:23:26,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439052035] [2022-03-03 16:23:26,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:26,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 16:23:26,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:26,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 16:23:26,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-03 16:23:26,629 INFO L87 Difference]: Start difference. First operand 21591 states and 88014 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:27,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:27,212 INFO L93 Difference]: Finished difference Result 34271 states and 137840 transitions. [2022-03-03 16:23:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 16:23:27,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-03-03 16:23:27,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:27,284 INFO L225 Difference]: With dead ends: 34271 [2022-03-03 16:23:27,284 INFO L226 Difference]: Without dead ends: 18011 [2022-03-03 16:23:27,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:23:27,286 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 347 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:27,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 578 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:23:27,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18011 states. [2022-03-03 16:23:27,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18011 to 15771. [2022-03-03 16:23:27,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15771 states, 15770 states have (on average 3.985034876347495) internal successors, (62844), 15770 states have internal predecessors, (62844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15771 states to 15771 states and 62844 transitions. [2022-03-03 16:23:27,896 INFO L78 Accepts]: Start accepts. Automaton has 15771 states and 62844 transitions. Word has length 68 [2022-03-03 16:23:27,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:27,896 INFO L470 AbstractCegarLoop]: Abstraction has 15771 states and 62844 transitions. [2022-03-03 16:23:27,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:27,897 INFO L276 IsEmpty]: Start isEmpty. Operand 15771 states and 62844 transitions. [2022-03-03 16:23:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-03-03 16:23:27,928 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:27,928 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:27,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-03 16:23:27,928 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:27,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:27,929 INFO L85 PathProgramCache]: Analyzing trace with hash 726869420, now seen corresponding path program 1 times [2022-03-03 16:23:27,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:27,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309908167] [2022-03-03 16:23:27,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:27,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:27,993 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:27,993 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309908167] [2022-03-03 16:23:27,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309908167] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:27,994 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:27,994 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 16:23:27,994 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344435917] [2022-03-03 16:23:27,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:27,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 16:23:27,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:27,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 16:23:27,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-03 16:23:27,995 INFO L87 Difference]: Start difference. First operand 15771 states and 62844 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:28,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:28,190 INFO L93 Difference]: Finished difference Result 21187 states and 83926 transitions. [2022-03-03 16:23:28,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 16:23:28,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-03-03 16:23:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:28,242 INFO L225 Difference]: With dead ends: 21187 [2022-03-03 16:23:28,242 INFO L226 Difference]: Without dead ends: 15267 [2022-03-03 16:23:28,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:23:28,243 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 158 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:28,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 408 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 16:23:28,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15267 states. [2022-03-03 16:23:28,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15267 to 15267. [2022-03-03 16:23:28,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15267 states, 15266 states have (on average 3.9671164679680335) internal successors, (60562), 15266 states have internal predecessors, (60562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15267 states to 15267 states and 60562 transitions. [2022-03-03 16:23:28,759 INFO L78 Accepts]: Start accepts. Automaton has 15267 states and 60562 transitions. Word has length 70 [2022-03-03 16:23:28,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:28,760 INFO L470 AbstractCegarLoop]: Abstraction has 15267 states and 60562 transitions. [2022-03-03 16:23:28,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 15267 states and 60562 transitions. [2022-03-03 16:23:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-03-03 16:23:28,790 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:28,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:28,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-03 16:23:28,791 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:28,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:28,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1653582270, now seen corresponding path program 1 times [2022-03-03 16:23:28,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:28,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13812733] [2022-03-03 16:23:28,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:28,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:28,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:28,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13812733] [2022-03-03 16:23:28,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13812733] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:28,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:28,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:23:28,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050704177] [2022-03-03 16:23:28,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:28,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:23:28,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:28,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:23:28,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:23:28,863 INFO L87 Difference]: Start difference. First operand 15267 states and 60562 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:29,039 INFO L93 Difference]: Finished difference Result 18705 states and 73195 transitions. [2022-03-03 16:23:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 16:23:29,040 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-03-03 16:23:29,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:29,082 INFO L225 Difference]: With dead ends: 18705 [2022-03-03 16:23:29,082 INFO L226 Difference]: Without dead ends: 13125 [2022-03-03 16:23:29,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-03-03 16:23:29,083 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 274 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:29,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 466 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 16:23:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13125 states. [2022-03-03 16:23:29,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13125 to 13125. [2022-03-03 16:23:29,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13125 states, 13124 states have (on average 3.892944224321853) internal successors, (51091), 13124 states have internal predecessors, (51091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13125 states to 13125 states and 51091 transitions. [2022-03-03 16:23:29,587 INFO L78 Accepts]: Start accepts. Automaton has 13125 states and 51091 transitions. Word has length 71 [2022-03-03 16:23:29,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:29,588 INFO L470 AbstractCegarLoop]: Abstraction has 13125 states and 51091 transitions. [2022-03-03 16:23:29,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:29,588 INFO L276 IsEmpty]: Start isEmpty. Operand 13125 states and 51091 transitions. [2022-03-03 16:23:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-03-03 16:23:29,612 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:29,612 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:29,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-03 16:23:29,613 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:29,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:29,613 INFO L85 PathProgramCache]: Analyzing trace with hash 964707105, now seen corresponding path program 1 times [2022-03-03 16:23:29,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:29,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847712451] [2022-03-03 16:23:29,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:29,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:29,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:29,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847712451] [2022-03-03 16:23:29,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847712451] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:29,701 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:29,701 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 16:23:29,701 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042606289] [2022-03-03 16:23:29,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:29,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 16:23:29,702 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:29,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 16:23:29,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-03 16:23:29,703 INFO L87 Difference]: Start difference. First operand 13125 states and 51091 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:29,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:29,912 INFO L93 Difference]: Finished difference Result 13449 states and 51289 transitions. [2022-03-03 16:23:29,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 16:23:29,912 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-03-03 16:23:29,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:29,941 INFO L225 Difference]: With dead ends: 13449 [2022-03-03 16:23:29,941 INFO L226 Difference]: Without dead ends: 9219 [2022-03-03 16:23:29,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:23:29,942 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 326 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:29,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 549 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:23:29,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9219 states. [2022-03-03 16:23:30,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9219 to 9219. [2022-03-03 16:23:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9219 states, 9218 states have (on average 3.761011065307008) internal successors, (34669), 9218 states have internal predecessors, (34669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9219 states to 9219 states and 34669 transitions. [2022-03-03 16:23:30,291 INFO L78 Accepts]: Start accepts. Automaton has 9219 states and 34669 transitions. Word has length 72 [2022-03-03 16:23:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:30,292 INFO L470 AbstractCegarLoop]: Abstraction has 9219 states and 34669 transitions. [2022-03-03 16:23:30,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 9219 states and 34669 transitions. [2022-03-03 16:23:30,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-03 16:23:30,308 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:30,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:30,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 16:23:30,308 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:30,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:30,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1389731576, now seen corresponding path program 1 times [2022-03-03 16:23:30,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:30,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348855790] [2022-03-03 16:23:30,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:30,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:30,399 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:30,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348855790] [2022-03-03 16:23:30,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348855790] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:30,399 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:30,399 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 16:23:30,399 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779879692] [2022-03-03 16:23:30,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:30,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 16:23:30,400 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:30,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 16:23:30,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-03 16:23:30,401 INFO L87 Difference]: Start difference. First operand 9219 states and 34669 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:30,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:30,542 INFO L93 Difference]: Finished difference Result 13527 states and 51008 transitions. [2022-03-03 16:23:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 16:23:30,542 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-03-03 16:23:30,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:30,566 INFO L225 Difference]: With dead ends: 13527 [2022-03-03 16:23:30,566 INFO L226 Difference]: Without dead ends: 8557 [2022-03-03 16:23:30,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-03-03 16:23:30,567 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 188 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:30,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 815 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 16:23:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8557 states. [2022-03-03 16:23:30,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8557 to 7801. [2022-03-03 16:23:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7801 states, 7800 states have (on average 3.7432051282051284) internal successors, (29197), 7800 states have internal predecessors, (29197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:30,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7801 states to 7801 states and 29197 transitions. [2022-03-03 16:23:30,749 INFO L78 Accepts]: Start accepts. Automaton has 7801 states and 29197 transitions. Word has length 74 [2022-03-03 16:23:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:30,749 INFO L470 AbstractCegarLoop]: Abstraction has 7801 states and 29197 transitions. [2022-03-03 16:23:30,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 7801 states and 29197 transitions. [2022-03-03 16:23:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-03 16:23:30,826 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:30,826 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:30,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-03 16:23:30,826 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:30,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:30,827 INFO L85 PathProgramCache]: Analyzing trace with hash -285023136, now seen corresponding path program 2 times [2022-03-03 16:23:30,827 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:30,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6862383] [2022-03-03 16:23:30,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:30,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:30,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:30,910 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:30,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6862383] [2022-03-03 16:23:30,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6862383] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:30,910 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:30,910 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 16:23:30,910 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906399339] [2022-03-03 16:23:30,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:30,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 16:23:30,911 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:30,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 16:23:30,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-03 16:23:30,912 INFO L87 Difference]: Start difference. First operand 7801 states and 29197 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:31,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:31,060 INFO L93 Difference]: Finished difference Result 6532 states and 23959 transitions. [2022-03-03 16:23:31,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 16:23:31,060 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-03-03 16:23:31,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:31,069 INFO L225 Difference]: With dead ends: 6532 [2022-03-03 16:23:31,069 INFO L226 Difference]: Without dead ends: 3433 [2022-03-03 16:23:31,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2022-03-03 16:23:31,070 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 315 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:31,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 495 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:23:31,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3433 states. [2022-03-03 16:23:31,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3433 to 3433. [2022-03-03 16:23:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3433 states, 3432 states have (on average 3.5565268065268065) internal successors, (12206), 3432 states have internal predecessors, (12206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:31,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 3433 states and 12206 transitions. [2022-03-03 16:23:31,132 INFO L78 Accepts]: Start accepts. Automaton has 3433 states and 12206 transitions. Word has length 74 [2022-03-03 16:23:31,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:31,133 INFO L470 AbstractCegarLoop]: Abstraction has 3433 states and 12206 transitions. [2022-03-03 16:23:31,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:31,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 12206 transitions. [2022-03-03 16:23:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-03-03 16:23:31,138 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:23:31,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:31,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-03 16:23:31,139 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 16:23:31,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:23:31,139 INFO L85 PathProgramCache]: Analyzing trace with hash 974067583, now seen corresponding path program 1 times [2022-03-03 16:23:31,139 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:23:31,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585123401] [2022-03-03 16:23:31,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:23:31,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:23:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:23:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:23:31,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:23:31,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585123401] [2022-03-03 16:23:31,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585123401] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:23:31,211 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:23:31,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:23:31,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056338924] [2022-03-03 16:23:31,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:23:31,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:23:31,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:23:31,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:23:31,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:23:31,212 INFO L87 Difference]: Start difference. First operand 3433 states and 12206 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:31,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:23:31,279 INFO L93 Difference]: Finished difference Result 3271 states and 11612 transitions. [2022-03-03 16:23:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 16:23:31,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-03-03 16:23:31,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:23:31,280 INFO L225 Difference]: With dead ends: 3271 [2022-03-03 16:23:31,280 INFO L226 Difference]: Without dead ends: 0 [2022-03-03 16:23:31,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:23:31,280 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 83 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 16:23:31,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 571 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 16:23:31,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-03 16:23:31,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-03 16:23:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-03 16:23:31,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2022-03-03 16:23:31,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:23:31,281 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-03 16:23:31,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:23:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-03 16:23:31,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-03 16:23:31,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-03 16:23:31,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-03 16:23:31,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-03 16:23:31,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-03 16:23:31,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-03 16:23:31,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-03 16:23:31,286 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:23:31,288 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 16:23:31,288 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 16:23:31,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 04:23:31 BasicIcfg [2022-03-03 16:23:31,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 16:23:31,290 INFO L158 Benchmark]: Toolchain (without parser) took 20109.13ms. Allocated memory was 177.2MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 118.6MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-03 16:23:31,290 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 16:23:31,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.25ms. Allocated memory was 177.2MB in the beginning and 271.6MB in the end (delta: 94.4MB). Free memory was 118.4MB in the beginning and 233.9MB in the end (delta: -115.6MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-03-03 16:23:31,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.04ms. Allocated memory is still 271.6MB. Free memory was 233.9MB in the beginning and 231.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 16:23:31,291 INFO L158 Benchmark]: Boogie Preprocessor took 16.86ms. Allocated memory is still 271.6MB. Free memory was 231.8MB in the beginning and 230.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 16:23:31,291 INFO L158 Benchmark]: RCFGBuilder took 335.71ms. Allocated memory is still 271.6MB. Free memory was 230.3MB in the beginning and 216.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-03 16:23:31,291 INFO L158 Benchmark]: TraceAbstraction took 19293.55ms. Allocated memory was 271.6MB in the beginning and 7.1GB in the end (delta: 6.8GB). Free memory was 215.6MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-03 16:23:31,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 391.25ms. Allocated memory was 177.2MB in the beginning and 271.6MB in the end (delta: 94.4MB). Free memory was 118.4MB in the beginning and 233.9MB in the end (delta: -115.6MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.04ms. Allocated memory is still 271.6MB. Free memory was 233.9MB in the beginning and 231.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.86ms. Allocated memory is still 271.6MB. Free memory was 231.8MB in the beginning and 230.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 335.71ms. Allocated memory is still 271.6MB. Free memory was 230.3MB in the beginning and 216.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 19293.55ms. Allocated memory was 271.6MB in the beginning and 7.1GB in the end (delta: 6.8GB). Free memory was 215.6MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 135 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 19.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.7s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2755 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2755 mSDsluCounter, 7363 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5989 mSDsCounter, 133 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 887 IncrementalHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 133 mSolverCounterUnsat, 1573 mSDtfsCounter, 887 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34178occurred in iteration=0, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 28556 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 832 NumberOfCodeBlocks, 832 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 820 ConstructedInterpolants, 0 QuantifiedInterpolants, 3820 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-03 16:23:31,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...