/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/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 14:53:15,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 14:53:15,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 14:53:16,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 14:53:16,046 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 [2022-03-01 14:53:16,070 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 14:53:16,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 14:53:16,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 14:53:16,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 14:53:16,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 14:53:16,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 14:53:16,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 14:53:16,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 14:53:16,072 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 14:53:16,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 14:53:16,072 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 14:53:16,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 14:53:16,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 14:53:16,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 14:53:16,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 14:53:16,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:53:16,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 14:53:16,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 14:53:16,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 14:53:16,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 14:53:16,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 14:53:16,075 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 14:53:16,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 14:53:16,075 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 14:53:16,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 14:53:16,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 14:53:16,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 14:53:16,292 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 14:53:16,292 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 14:53:16,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-03-01 14:53:16,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce077c4e1/4c5b9100da4d4bb682f6f1d6a9b14c1d/FLAG752091fbf [2022-03-01 14:53:16,759 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 14:53:16,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-03-01 14:53:16,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce077c4e1/4c5b9100da4d4bb682f6f1d6a9b14c1d/FLAG752091fbf [2022-03-01 14:53:16,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce077c4e1/4c5b9100da4d4bb682f6f1d6a9b14c1d [2022-03-01 14:53:16,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 14:53:16,783 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 14:53:16,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 14:53:16,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 14:53:16,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 14:53:16,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:53:16" (1/1) ... [2022-03-01 14:53:16,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16fb7672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:16, skipping insertion in model container [2022-03-01 14:53:16,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:53:16" (1/1) ... [2022-03-01 14:53:16,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 14:53:16,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 14:53:17,028 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/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-03-01 14:53:17,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:53:17,155 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 14:53:17,170 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/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-03-01 14:53:17,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:53:17,236 INFO L208 MainTranslator]: Completed translation [2022-03-01 14:53:17,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17 WrapperNode [2022-03-01 14:53:17,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 14:53:17,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 14:53:17,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 14:53:17,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 14:53:17,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,270 INFO L137 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2022-03-01 14:53:17,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 14:53:17,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 14:53:17,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 14:53:17,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 14:53:17,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 14:53:17,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 14:53:17,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 14:53:17,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 14:53:17,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (1/1) ... [2022-03-01 14:53:17,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:53:17,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:53:17,342 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) [2022-03-01 14:53:17,367 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 [2022-03-01 14:53:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 14:53:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 14:53:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 14:53:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 14:53:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 14:53:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-03-01 14:53:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-03-01 14:53:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-03-01 14:53:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-03-01 14:53:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-03-01 14:53:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-03-01 14:53:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-03-01 14:53:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-03-01 14:53:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 14:53:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 14:53:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 14:53:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 14:53:17,392 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 14:53:17,475 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 14:53:17,476 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 14:53:17,659 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 14:53:17,668 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 14:53:17,668 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 14:53:17,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:53:17 BoogieIcfgContainer [2022-03-01 14:53:17,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 14:53:17,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 14:53:17,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 14:53:17,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 14:53:17,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 02:53:16" (1/3) ... [2022-03-01 14:53:17,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a83f71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:53:17, skipping insertion in model container [2022-03-01 14:53:17,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:17" (2/3) ... [2022-03-01 14:53:17,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a83f71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:53:17, skipping insertion in model container [2022-03-01 14:53:17,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:53:17" (3/3) ... [2022-03-01 14:53:17,676 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-03-01 14:53:17,679 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 14:53:17,679 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 14:53:17,679 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 14:53:17,679 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 14:53:17,722 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,723 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,723 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,723 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,724 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,724 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,724 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,724 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,725 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,725 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,725 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,725 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,726 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,726 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,727 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,727 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,727 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,727 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,727 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,728 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,728 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,728 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,729 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,729 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,730 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,730 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,731 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,731 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,731 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,731 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,731 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,731 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,732 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,732 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,733 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,733 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,735 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,735 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,735 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,735 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,735 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,735 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,735 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,735 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,736 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,736 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,736 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,736 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,741 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,742 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,742 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,742 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,745 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,745 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,745 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,745 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,746 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,746 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,746 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,747 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,747 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,748 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,748 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,748 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:17,748 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 14:53:17,784 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 14:53:17,790 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 [2022-03-01 14:53:17,791 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-01 14:53:17,801 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 116 places, 105 transitions, 230 flow [2022-03-01 14:53:19,287 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34177 states, 34176 states have (on average 4.3103639981273405) internal successors, (147311), 34176 states have internal predecessors, (147311), 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) [2022-03-01 14:53:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 34177 states, 34176 states have (on average 4.3103639981273405) internal successors, (147311), 34176 states have internal predecessors, (147311), 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) [2022-03-01 14:53:19,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-01 14:53:19,681 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:19,682 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] [2022-03-01 14:53:19,682 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)] === [2022-03-01 14:53:19,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:19,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1881502097, now seen corresponding path program 1 times [2022-03-01 14:53:19,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:19,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661933502] [2022-03-01 14:53:19,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:19,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:20,085 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:20,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661933502] [2022-03-01 14:53:20,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661933502] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:20,087 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:20,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:53:20,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5356735] [2022-03-01 14:53:20,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:20,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:53:20,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:20,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:53:20,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:53:20,186 INFO L87 Difference]: Start difference. First operand has 34177 states, 34176 states have (on average 4.3103639981273405) internal successors, (147311), 34176 states have internal predecessors, (147311), 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 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2022-03-01 14:53:20,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:20,906 INFO L93 Difference]: Finished difference Result 39469 states and 166967 transitions. [2022-03-01 14:53:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:20,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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 61 [2022-03-01 14:53:20,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:21,222 INFO L225 Difference]: With dead ends: 39469 [2022-03-01 14:53:21,222 INFO L226 Difference]: Without dead ends: 28885 [2022-03-01 14:53:21,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:53:21,235 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 145 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:21,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 563 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:21,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28885 states. [2022-03-01 14:53:22,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28885 to 28885. [2022-03-01 14:53:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28885 states, 28884 states have (on average 4.218910123251627) internal successors, (121859), 28884 states have internal predecessors, (121859), 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) [2022-03-01 14:53:23,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28885 states to 28885 states and 121859 transitions. [2022-03-01 14:53:23,355 INFO L78 Accepts]: Start accepts. Automaton has 28885 states and 121859 transitions. Word has length 61 [2022-03-01 14:53:23,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:23,356 INFO L470 AbstractCegarLoop]: Abstraction has 28885 states and 121859 transitions. [2022-03-01 14:53:23,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2022-03-01 14:53:23,356 INFO L276 IsEmpty]: Start isEmpty. Operand 28885 states and 121859 transitions. [2022-03-01 14:53:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-03-01 14:53:23,441 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:23,441 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] [2022-03-01 14:53:23,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 14:53:23,442 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)] === [2022-03-01 14:53:23,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:23,442 INFO L85 PathProgramCache]: Analyzing trace with hash -300703474, now seen corresponding path program 1 times [2022-03-01 14:53:23,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:23,443 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109798934] [2022-03-01 14:53:23,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:23,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:23,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:23,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109798934] [2022-03-01 14:53:23,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109798934] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:23,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:23,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:53:23,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940436647] [2022-03-01 14:53:23,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:23,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:53:23,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:23,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:53:23,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:53:23,573 INFO L87 Difference]: Start difference. First operand 28885 states and 121859 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2022-03-01 14:53:24,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:24,136 INFO L93 Difference]: Finished difference Result 33925 states and 142181 transitions. [2022-03-01 14:53:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:24,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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 63 [2022-03-01 14:53:24,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:24,522 INFO L225 Difference]: With dead ends: 33925 [2022-03-01 14:53:24,522 INFO L226 Difference]: Without dead ends: 27625 [2022-03-01 14:53:24,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:53:24,523 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 127 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:24,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 528 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:24,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27625 states. [2022-03-01 14:53:25,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27625 to 27625. [2022-03-01 14:53:25,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27625 states, 27624 states have (on average 4.200007240081089) internal successors, (116021), 27624 states have internal predecessors, (116021), 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) [2022-03-01 14:53:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27625 states to 27625 states and 116021 transitions. [2022-03-01 14:53:25,837 INFO L78 Accepts]: Start accepts. Automaton has 27625 states and 116021 transitions. Word has length 63 [2022-03-01 14:53:25,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:25,837 INFO L470 AbstractCegarLoop]: Abstraction has 27625 states and 116021 transitions. [2022-03-01 14:53:25,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2022-03-01 14:53:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 27625 states and 116021 transitions. [2022-03-01 14:53:25,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-01 14:53:25,886 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:25,886 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] [2022-03-01 14:53:25,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 14:53:25,887 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)] === [2022-03-01 14:53:25,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:25,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1166229359, now seen corresponding path program 1 times [2022-03-01 14:53:25,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:25,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885659952] [2022-03-01 14:53:25,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:25,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:26,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:26,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885659952] [2022-03-01 14:53:26,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885659952] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:26,007 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:26,007 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:53:26,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127459298] [2022-03-01 14:53:26,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:26,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:53:26,008 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:26,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:53:26,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:53:26,009 INFO L87 Difference]: Start difference. First operand 27625 states and 116021 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2022-03-01 14:53:26,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:26,500 INFO L93 Difference]: Finished difference Result 30145 states and 125867 transitions. [2022-03-01 14:53:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:26,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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 65 [2022-03-01 14:53:26,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:26,638 INFO L225 Difference]: With dead ends: 30145 [2022-03-01 14:53:26,638 INFO L226 Difference]: Without dead ends: 25945 [2022-03-01 14:53:26,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:53:26,640 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 116 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:26,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 511 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:26,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25945 states. [2022-03-01 14:53:27,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25945 to 25945. [2022-03-01 14:53:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25945 states, 25944 states have (on average 4.1881359851988895) internal successors, (108657), 25944 states have internal predecessors, (108657), 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) [2022-03-01 14:53:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25945 states to 25945 states and 108657 transitions. [2022-03-01 14:53:27,728 INFO L78 Accepts]: Start accepts. Automaton has 25945 states and 108657 transitions. Word has length 65 [2022-03-01 14:53:27,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:27,728 INFO L470 AbstractCegarLoop]: Abstraction has 25945 states and 108657 transitions. [2022-03-01 14:53:27,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2022-03-01 14:53:27,728 INFO L276 IsEmpty]: Start isEmpty. Operand 25945 states and 108657 transitions. [2022-03-01 14:53:27,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-01 14:53:27,789 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:27,790 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] [2022-03-01 14:53:27,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 14:53:27,790 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)] === [2022-03-01 14:53:27,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:27,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1097323382, now seen corresponding path program 1 times [2022-03-01 14:53:27,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:27,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429698224] [2022-03-01 14:53:27,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:27,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:27,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:27,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429698224] [2022-03-01 14:53:27,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429698224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:27,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:27,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:53:27,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689610055] [2022-03-01 14:53:27,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:27,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:53:27,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:27,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:53:27,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:53:27,886 INFO L87 Difference]: Start difference. First operand 25945 states and 108657 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 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) [2022-03-01 14:53:28,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:28,561 INFO L93 Difference]: Finished difference Result 52937 states and 219209 transitions. [2022-03-01 14:53:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:28,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 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 [2022-03-01 14:53:28,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:28,820 INFO L225 Difference]: With dead ends: 52937 [2022-03-01 14:53:28,820 INFO L226 Difference]: Without dead ends: 41497 [2022-03-01 14:53:28,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:53:28,825 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 159 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:28,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 565 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:28,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41497 states. [2022-03-01 14:53:30,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41497 to 30241. [2022-03-01 14:53:30,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30241 states, 30240 states have (on average 4.121792328042328) internal successors, (124643), 30240 states have internal predecessors, (124643), 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) [2022-03-01 14:53:30,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30241 states to 30241 states and 124643 transitions. [2022-03-01 14:53:30,235 INFO L78 Accepts]: Start accepts. Automaton has 30241 states and 124643 transitions. Word has length 66 [2022-03-01 14:53:30,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:30,236 INFO L470 AbstractCegarLoop]: Abstraction has 30241 states and 124643 transitions. [2022-03-01 14:53:30,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 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) [2022-03-01 14:53:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 30241 states and 124643 transitions. [2022-03-01 14:53:30,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-01 14:53:30,289 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:30,289 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] [2022-03-01 14:53:30,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 14:53:30,290 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)] === [2022-03-01 14:53:30,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:30,290 INFO L85 PathProgramCache]: Analyzing trace with hash 783324234, now seen corresponding path program 2 times [2022-03-01 14:53:30,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:30,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194291165] [2022-03-01 14:53:30,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:30,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:30,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:30,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194291165] [2022-03-01 14:53:30,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194291165] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:30,366 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:30,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 14:53:30,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794435675] [2022-03-01 14:53:30,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:30,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 14:53:30,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:30,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 14:53:30,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 14:53:30,367 INFO L87 Difference]: Start difference. First operand 30241 states and 124643 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) [2022-03-01 14:53:31,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:31,088 INFO L93 Difference]: Finished difference Result 53465 states and 217653 transitions. [2022-03-01 14:53:31,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 14:53:31,089 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 [2022-03-01 14:53:31,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:31,331 INFO L225 Difference]: With dead ends: 53465 [2022-03-01 14:53:31,331 INFO L226 Difference]: Without dead ends: 38505 [2022-03-01 14:53:31,331 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 [2022-03-01 14:53:31,332 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 196 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:31,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 842 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:53:31,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38505 states. [2022-03-01 14:53:32,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38505 to 25865. [2022-03-01 14:53:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25865 states, 25864 states have (on average 4.067932261057841) internal successors, (105213), 25864 states have internal predecessors, (105213), 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) [2022-03-01 14:53:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25865 states to 25865 states and 105213 transitions. [2022-03-01 14:53:32,798 INFO L78 Accepts]: Start accepts. Automaton has 25865 states and 105213 transitions. Word has length 66 [2022-03-01 14:53:32,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:32,799 INFO L470 AbstractCegarLoop]: Abstraction has 25865 states and 105213 transitions. [2022-03-01 14:53:32,799 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) [2022-03-01 14:53:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 25865 states and 105213 transitions. [2022-03-01 14:53:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-01 14:53:32,849 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:32,849 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] [2022-03-01 14:53:32,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 14:53:32,849 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)] === [2022-03-01 14:53:32,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:32,850 INFO L85 PathProgramCache]: Analyzing trace with hash -696097874, now seen corresponding path program 1 times [2022-03-01 14:53:32,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:32,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032928538] [2022-03-01 14:53:32,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:32,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:32,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:32,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032928538] [2022-03-01 14:53:32,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032928538] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:32,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:32,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 14:53:32,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999821534] [2022-03-01 14:53:32,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:32,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 14:53:32,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:32,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 14:53:32,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-01 14:53:32,980 INFO L87 Difference]: Start difference. First operand 25865 states and 105213 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 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) [2022-03-01 14:53:33,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:33,531 INFO L93 Difference]: Finished difference Result 49145 states and 198369 transitions. [2022-03-01 14:53:33,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 14:53:33,532 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 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 [2022-03-01 14:53:33,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:33,657 INFO L225 Difference]: With dead ends: 49145 [2022-03-01 14:53:33,657 INFO L226 Difference]: Without dead ends: 30230 [2022-03-01 14:53:33,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-03-01 14:53:33,658 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 269 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:33,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 578 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:33,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30230 states. [2022-03-01 14:53:34,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30230 to 23190. [2022-03-01 14:53:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23190 states, 23189 states have (on average 4.036957177972314) internal successors, (93613), 23189 states have internal predecessors, (93613), 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) [2022-03-01 14:53:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23190 states to 23190 states and 93613 transitions. [2022-03-01 14:53:34,500 INFO L78 Accepts]: Start accepts. Automaton has 23190 states and 93613 transitions. Word has length 67 [2022-03-01 14:53:34,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:34,500 INFO L470 AbstractCegarLoop]: Abstraction has 23190 states and 93613 transitions. [2022-03-01 14:53:34,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 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) [2022-03-01 14:53:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 23190 states and 93613 transitions. [2022-03-01 14:53:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-03-01 14:53:34,550 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:34,550 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] [2022-03-01 14:53:34,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 14:53:34,551 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)] === [2022-03-01 14:53:34,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:34,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1628856816, now seen corresponding path program 2 times [2022-03-01 14:53:34,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:34,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835023528] [2022-03-01 14:53:34,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:34,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:34,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:34,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835023528] [2022-03-01 14:53:34,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835023528] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:34,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:34,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 14:53:34,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986756535] [2022-03-01 14:53:34,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:34,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 14:53:34,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:34,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 14:53:34,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-01 14:53:34,646 INFO L87 Difference]: Start difference. First operand 23190 states and 93613 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 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) [2022-03-01 14:53:35,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:35,267 INFO L93 Difference]: Finished difference Result 37438 states and 149135 transitions. [2022-03-01 14:53:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 14:53:35,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 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 [2022-03-01 14:53:35,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:35,346 INFO L225 Difference]: With dead ends: 37438 [2022-03-01 14:53:35,346 INFO L226 Difference]: Without dead ends: 19898 [2022-03-01 14:53:35,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-03-01 14:53:35,350 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 258 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:35,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 628 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:53:35,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19898 states. [2022-03-01 14:53:35,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19898 to 17210. [2022-03-01 14:53:35,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17210 states, 17209 states have (on average 3.9594979371259225) internal successors, (68139), 17209 states have internal predecessors, (68139), 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) [2022-03-01 14:53:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17210 states to 17210 states and 68139 transitions. [2022-03-01 14:53:36,037 INFO L78 Accepts]: Start accepts. Automaton has 17210 states and 68139 transitions. Word has length 67 [2022-03-01 14:53:36,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:36,037 INFO L470 AbstractCegarLoop]: Abstraction has 17210 states and 68139 transitions. [2022-03-01 14:53:36,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 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) [2022-03-01 14:53:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 17210 states and 68139 transitions. [2022-03-01 14:53:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-01 14:53:36,067 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:36,068 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] [2022-03-01 14:53:36,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 14:53:36,068 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)] === [2022-03-01 14:53:36,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:36,068 INFO L85 PathProgramCache]: Analyzing trace with hash 638700530, now seen corresponding path program 1 times [2022-03-01 14:53:36,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:36,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621110423] [2022-03-01 14:53:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:36,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:36,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:36,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621110423] [2022-03-01 14:53:36,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621110423] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:36,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:36,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 14:53:36,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878368104] [2022-03-01 14:53:36,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:36,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 14:53:36,159 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:36,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 14:53:36,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 14:53:36,160 INFO L87 Difference]: Start difference. First operand 17210 states and 68139 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 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) [2022-03-01 14:53:36,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:36,421 INFO L93 Difference]: Finished difference Result 25978 states and 101931 transitions. [2022-03-01 14:53:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 14:53:36,421 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 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 [2022-03-01 14:53:36,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:36,470 INFO L225 Difference]: With dead ends: 25978 [2022-03-01 14:53:36,471 INFO L226 Difference]: Without dead ends: 14490 [2022-03-01 14:53:36,471 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 [2022-03-01 14:53:36,471 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 204 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:36,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 737 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:36,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14490 states. [2022-03-01 14:53:36,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14490 to 11802. [2022-03-01 14:53:36,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11802 states, 11801 states have (on average 3.871790526226591) internal successors, (45691), 11801 states have internal predecessors, (45691), 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) [2022-03-01 14:53:36,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11802 states to 11802 states and 45691 transitions. [2022-03-01 14:53:36,970 INFO L78 Accepts]: Start accepts. Automaton has 11802 states and 45691 transitions. Word has length 68 [2022-03-01 14:53:36,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:36,970 INFO L470 AbstractCegarLoop]: Abstraction has 11802 states and 45691 transitions. [2022-03-01 14:53:36,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 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) [2022-03-01 14:53:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 11802 states and 45691 transitions. [2022-03-01 14:53:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-03-01 14:53:36,991 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:36,991 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] [2022-03-01 14:53:36,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 14:53:36,992 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)] === [2022-03-01 14:53:36,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:36,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1604703909, now seen corresponding path program 1 times [2022-03-01 14:53:36,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:36,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600816737] [2022-03-01 14:53:36,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:36,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:37,149 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:37,150 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600816737] [2022-03-01 14:53:37,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600816737] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:37,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:37,150 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:53:37,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317764659] [2022-03-01 14:53:37,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:37,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:53:37,151 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:37,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:53:37,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:53:37,152 INFO L87 Difference]: Start difference. First operand 11802 states and 45691 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2022-03-01 14:53:37,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:37,316 INFO L93 Difference]: Finished difference Result 15465 states and 59362 transitions. [2022-03-01 14:53:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:37,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 69 [2022-03-01 14:53:37,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:37,350 INFO L225 Difference]: With dead ends: 15465 [2022-03-01 14:53:37,350 INFO L226 Difference]: Without dead ends: 11305 [2022-03-01 14:53:37,350 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 [2022-03-01 14:53:37,352 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 161 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 404 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 [2022-03-01 14:53:37,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 404 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:37,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11305 states. [2022-03-01 14:53:37,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11305 to 11305. [2022-03-01 14:53:37,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11305 states, 11304 states have (on average 3.8470452937013446) internal successors, (43487), 11304 states have internal predecessors, (43487), 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) [2022-03-01 14:53:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11305 states to 11305 states and 43487 transitions. [2022-03-01 14:53:37,763 INFO L78 Accepts]: Start accepts. Automaton has 11305 states and 43487 transitions. Word has length 69 [2022-03-01 14:53:37,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:37,763 INFO L470 AbstractCegarLoop]: Abstraction has 11305 states and 43487 transitions. [2022-03-01 14:53:37,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2022-03-01 14:53:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 11305 states and 43487 transitions. [2022-03-01 14:53:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-03-01 14:53:37,782 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:37,782 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] [2022-03-01 14:53:37,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 14:53:37,783 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)] === [2022-03-01 14:53:37,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:37,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1129407581, now seen corresponding path program 1 times [2022-03-01 14:53:37,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:37,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291484926] [2022-03-01 14:53:37,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:37,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:37,887 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:37,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291484926] [2022-03-01 14:53:37,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291484926] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:37,887 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:37,887 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 14:53:37,887 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807310641] [2022-03-01 14:53:37,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:37,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 14:53:37,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:37,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 14:53:37,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 14:53:37,888 INFO L87 Difference]: Start difference. First operand 11305 states and 43487 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 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) [2022-03-01 14:53:38,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:38,046 INFO L93 Difference]: Finished difference Result 13051 states and 49277 transitions. [2022-03-01 14:53:38,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 14:53:38,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 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 [2022-03-01 14:53:38,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:38,074 INFO L225 Difference]: With dead ends: 13051 [2022-03-01 14:53:38,074 INFO L226 Difference]: Without dead ends: 9226 [2022-03-01 14:53:38,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-03-01 14:53:38,075 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 261 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 464 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 [2022-03-01 14:53:38,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 464 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:38,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9226 states. [2022-03-01 14:53:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9226 to 9226. [2022-03-01 14:53:38,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9226 states, 9225 states have (on average 3.7533875338753386) internal successors, (34625), 9225 states have internal predecessors, (34625), 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) [2022-03-01 14:53:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 34625 transitions. [2022-03-01 14:53:38,289 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 34625 transitions. Word has length 70 [2022-03-01 14:53:38,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:38,289 INFO L470 AbstractCegarLoop]: Abstraction has 9226 states and 34625 transitions. [2022-03-01 14:53:38,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 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) [2022-03-01 14:53:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 34625 transitions. [2022-03-01 14:53:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-03-01 14:53:38,378 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:38,379 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] [2022-03-01 14:53:38,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 14:53:38,379 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)] === [2022-03-01 14:53:38,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:38,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1978125916, now seen corresponding path program 1 times [2022-03-01 14:53:38,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:38,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138890750] [2022-03-01 14:53:38,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:38,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:38,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:38,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:38,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138890750] [2022-03-01 14:53:38,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138890750] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:38,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:38,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 14:53:38,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526174377] [2022-03-01 14:53:38,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:38,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 14:53:38,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:38,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 14:53:38,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-01 14:53:38,450 INFO L87 Difference]: Start difference. First operand 9226 states and 34625 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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) [2022-03-01 14:53:38,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:38,581 INFO L93 Difference]: Finished difference Result 8200 states and 29990 transitions. [2022-03-01 14:53:38,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 14:53:38,582 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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 [2022-03-01 14:53:38,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:38,595 INFO L225 Difference]: With dead ends: 8200 [2022-03-01 14:53:38,595 INFO L226 Difference]: Without dead ends: 5203 [2022-03-01 14:53:38,595 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 [2022-03-01 14:53:38,596 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 352 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:38,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 484 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:38,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5203 states. [2022-03-01 14:53:38,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5203 to 5203. [2022-03-01 14:53:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 5202 states have (on average 3.583429450211457) internal successors, (18641), 5202 states have internal predecessors, (18641), 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) [2022-03-01 14:53:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 18641 transitions. [2022-03-01 14:53:38,686 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 18641 transitions. Word has length 71 [2022-03-01 14:53:38,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:38,686 INFO L470 AbstractCegarLoop]: Abstraction has 5203 states and 18641 transitions. [2022-03-01 14:53:38,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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) [2022-03-01 14:53:38,686 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 18641 transitions. [2022-03-01 14:53:38,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-01 14:53:38,694 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:38,694 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] [2022-03-01 14:53:38,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 14:53:38,694 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)] === [2022-03-01 14:53:38,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:38,694 INFO L85 PathProgramCache]: Analyzing trace with hash -981904543, now seen corresponding path program 1 times [2022-03-01 14:53:38,695 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:38,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89211219] [2022-03-01 14:53:38,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:38,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:38,769 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:38,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89211219] [2022-03-01 14:53:38,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89211219] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:38,769 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:38,769 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 14:53:38,770 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738401971] [2022-03-01 14:53:38,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:38,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 14:53:38,770 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:38,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 14:53:38,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-01 14:53:38,770 INFO L87 Difference]: Start difference. First operand 5203 states and 18641 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2022-03-01 14:53:38,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:38,871 INFO L93 Difference]: Finished difference Result 6826 states and 24223 transitions. [2022-03-01 14:53:38,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:38,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 73 [2022-03-01 14:53:38,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:38,884 INFO L225 Difference]: With dead ends: 6826 [2022-03-01 14:53:38,884 INFO L226 Difference]: Without dead ends: 5562 [2022-03-01 14:53:38,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-03-01 14:53:38,885 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 166 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:38,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 800 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:38,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5562 states. [2022-03-01 14:53:38,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5562 to 4995. [2022-03-01 14:53:38,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4995 states, 4994 states have (on average 3.5740889066880257) internal successors, (17849), 4994 states have internal predecessors, (17849), 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) [2022-03-01 14:53:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4995 states to 4995 states and 17849 transitions. [2022-03-01 14:53:38,978 INFO L78 Accepts]: Start accepts. Automaton has 4995 states and 17849 transitions. Word has length 73 [2022-03-01 14:53:38,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:38,978 INFO L470 AbstractCegarLoop]: Abstraction has 4995 states and 17849 transitions. [2022-03-01 14:53:38,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2022-03-01 14:53:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 17849 transitions. [2022-03-01 14:53:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-03-01 14:53:38,986 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:38,986 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] [2022-03-01 14:53:38,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-01 14:53:38,986 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-01 14:53:38,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:38,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1759913251, now seen corresponding path program 2 times [2022-03-01 14:53:38,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:38,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378643441] [2022-03-01 14:53:38,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:38,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:39,058 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:39,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378643441] [2022-03-01 14:53:39,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378643441] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:39,058 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:39,058 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-01 14:53:39,058 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259872477] [2022-03-01 14:53:39,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:39,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-01 14:53:39,058 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:39,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-01 14:53:39,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-01 14:53:39,059 INFO L87 Difference]: Start difference. First operand 4995 states and 17849 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 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) [2022-03-01 14:53:39,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:39,154 INFO L93 Difference]: Finished difference Result 3348 states and 11693 transitions. [2022-03-01 14:53:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:39,154 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 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 73 [2022-03-01 14:53:39,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:39,155 INFO L225 Difference]: With dead ends: 3348 [2022-03-01 14:53:39,155 INFO L226 Difference]: Without dead ends: 0 [2022-03-01 14:53:39,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-03-01 14:53:39,155 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 290 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:39,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 380 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:39,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-01 14:53:39,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-01 14:53:39,156 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) [2022-03-01 14:53:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-01 14:53:39,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2022-03-01 14:53:39,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:39,156 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-01 14:53:39,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 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) [2022-03-01 14:53:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-01 14:53:39,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-01 14:53:39,158 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-01 14:53:39,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-01 14:53:39,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-01 14:53:39,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-01 14:53:39,159 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-01 14:53:39,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 14:53:39,161 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:39,163 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 14:53:39,163 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 14:53:39,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 02:53:39 BasicIcfg [2022-03-01 14:53:39,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 14:53:39,165 INFO L158 Benchmark]: Toolchain (without parser) took 22381.55ms. Allocated memory was 199.2MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 145.9MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-01 14:53:39,165 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 14:53:39,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.41ms. Allocated memory was 199.2MB in the beginning and 343.9MB in the end (delta: 144.7MB). Free memory was 145.8MB in the beginning and 307.9MB in the end (delta: -162.1MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. [2022-03-01 14:53:39,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.59ms. Allocated memory is still 343.9MB. Free memory was 307.5MB in the beginning and 305.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 14:53:39,165 INFO L158 Benchmark]: Boogie Preprocessor took 22.56ms. Allocated memory is still 343.9MB. Free memory was 305.4MB in the beginning and 304.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 14:53:39,165 INFO L158 Benchmark]: RCFGBuilder took 375.54ms. Allocated memory is still 343.9MB. Free memory was 304.0MB in the beginning and 291.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-01 14:53:39,166 INFO L158 Benchmark]: TraceAbstraction took 21493.54ms. Allocated memory was 343.9MB in the beginning and 7.3GB in the end (delta: 6.9GB). Free memory was 290.7MB in the beginning and 5.2GB in the end (delta: -4.9GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-01 14:53:39,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 451.41ms. Allocated memory was 199.2MB in the beginning and 343.9MB in the end (delta: 144.7MB). Free memory was 145.8MB in the beginning and 307.9MB in the end (delta: -162.1MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.59ms. Allocated memory is still 343.9MB. Free memory was 307.5MB in the beginning and 305.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.56ms. Allocated memory is still 343.9MB. Free memory was 305.4MB in the beginning and 304.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 375.54ms. Allocated memory is still 343.9MB. Free memory was 304.0MB in the beginning and 291.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 21493.54ms. Allocated memory was 343.9MB in the beginning and 7.3GB in the end (delta: 6.9GB). Free memory was 290.7MB in the beginning and 5.2GB in the end (delta: -4.9GB). Peak memory consumption was 2.1GB. 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, 134 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.9s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2704 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2704 mSDsluCounter, 7484 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5985 mSDsCounter, 131 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 821 IncrementalHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 131 mSolverCounterUnsat, 1702 mSDtfsCounter, 821 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34177occurred in iteration=0, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 36879 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 866 ConstructedInterpolants, 0 QuantifiedInterpolants, 3386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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! [2022-03-01 14:53:39,192 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...