/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:39:28,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:39:28,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:39:28,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:39:28,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:39:28,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:39:28,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:39:28,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:39:28,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:39:28,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:39:28,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:39:28,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:39:28,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:39:28,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:39:28,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:39:28,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:39:28,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:39:28,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:39:28,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:39:28,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:39:28,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:39:28,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:39:28,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:39:28,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:39:28,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 00:39:28,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:39:28,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:39:28,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:39:28,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:39:28,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:39:28,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:39:28,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:39:28,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:39:28,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:39:28,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:39:28,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:39:28,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 00:39:28,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:39:28,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:39:28,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:39:28,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:39:28,680 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:39:28,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:39:28,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:39:28,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:39:28,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:39:28,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:39:28,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:39:28,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:39:28,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:39:28,682 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:39:28,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:39:28,682 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:39:28,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:39:28,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:39:28,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:39:28,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:39:28,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:39:28,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:39:28,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:39:28,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:39:28,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:39:28,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:39:28,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:39:28,686 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:39:28,687 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:39:28,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:39:28,687 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:39:28,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:39:29,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:39:29,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:39:29,013 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:39:29,014 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:39:29,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i [2020-10-22 00:39:29,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd6d8ad68/3f90c59e0d084ff6bed03817111c25c3/FLAG6b5e27b7b [2020-10-22 00:39:29,600 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:39:29,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc.i [2020-10-22 00:39:29,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd6d8ad68/3f90c59e0d084ff6bed03817111c25c3/FLAG6b5e27b7b [2020-10-22 00:39:29,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd6d8ad68/3f90c59e0d084ff6bed03817111c25c3 [2020-10-22 00:39:29,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:39:29,874 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:39:29,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:39:29,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:39:29,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:39:29,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:39:29" (1/1) ... [2020-10-22 00:39:29,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a70ef65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:29, skipping insertion in model container [2020-10-22 00:39:29,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:39:29" (1/1) ... [2020-10-22 00:39:29,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:39:29,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:39:30,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:39:30,392 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:39:30,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:39:30,551 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:39:30,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30 WrapperNode [2020-10-22 00:39:30,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:39:30,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:39:30,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:39:30,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:39:30,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... [2020-10-22 00:39:30,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... [2020-10-22 00:39:30,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:39:30,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:39:30,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:39:30,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:39:30,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... [2020-10-22 00:39:30,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... [2020-10-22 00:39:30,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... [2020-10-22 00:39:30,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... [2020-10-22 00:39:30,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... [2020-10-22 00:39:30,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... [2020-10-22 00:39:30,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... [2020-10-22 00:39:30,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:39:30,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:39:30,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:39:30,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:39:30,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:39:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:39:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:39:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:39:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:39:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 00:39:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 00:39:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 00:39:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 00:39:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-22 00:39:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-22 00:39:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-22 00:39:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-22 00:39:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:39:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:39:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:39:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:39:30,717 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:39:31,203 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:39:31,204 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 00:39:31,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:39:31 BoogieIcfgContainer [2020-10-22 00:39:31,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:39:31,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:39:31,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:39:31,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:39:31,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:39:29" (1/3) ... [2020-10-22 00:39:31,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ef4747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:39:31, skipping insertion in model container [2020-10-22 00:39:31,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:39:30" (2/3) ... [2020-10-22 00:39:31,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ef4747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:39:31, skipping insertion in model container [2020-10-22 00:39:31,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:39:31" (3/3) ... [2020-10-22 00:39:31,222 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc.i [2020-10-22 00:39:31,234 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:39:31,234 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:39:31,242 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 00:39:31,243 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:39:31,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,290 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,290 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,291 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,291 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,292 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,293 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,293 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,293 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,293 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,294 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,294 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,298 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,299 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,308 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,309 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,317 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,317 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,323 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,324 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,328 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:39:31,332 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 00:39:31,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 00:39:31,364 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:39:31,364 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:39:31,364 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:39:31,364 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:39:31,364 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:39:31,365 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:39:31,365 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:39:31,365 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:39:31,379 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:39:31,379 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-22 00:39:31,381 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 91 transitions, 202 flow [2020-10-22 00:39:31,383 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 101 places, 91 transitions, 202 flow [2020-10-22 00:39:31,436 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-10-22 00:39:31,437 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 00:39:31,443 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 87 events. 3/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-10-22 00:39:31,447 INFO L116 LiptonReduction]: Number of co-enabled transitions 2042 [2020-10-22 00:39:33,296 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-22 00:39:33,420 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-22 00:39:33,547 INFO L131 LiptonReduction]: Checked pairs total: 3854 [2020-10-22 00:39:33,547 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-10-22 00:39:33,554 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 26 transitions, 72 flow [2020-10-22 00:39:33,607 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-22 00:39:33,610 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-22 00:39:33,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 00:39:33,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:33,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:33,622 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:33,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:33,629 INFO L82 PathProgramCache]: Analyzing trace with hash -709438342, now seen corresponding path program 1 times [2020-10-22 00:39:33,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:33,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686039381] [2020-10-22 00:39:33,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:33,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686039381] [2020-10-22 00:39:33,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:33,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:39:33,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [15623801] [2020-10-22 00:39:33,887 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:33,891 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:33,907 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 00:39:33,908 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:33,913 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:33,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:39:33,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:33,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:39:33,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:33,933 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-22 00:39:33,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:33,985 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-22 00:39:33,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:39:33,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-22 00:39:33,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:34,013 INFO L225 Difference]: With dead ends: 670 [2020-10-22 00:39:34,013 INFO L226 Difference]: Without dead ends: 526 [2020-10-22 00:39:34,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:34,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-22 00:39:34,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-22 00:39:34,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-22 00:39:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-22 00:39:34,134 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-22 00:39:34,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:34,136 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-22 00:39:34,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:39:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-22 00:39:34,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 00:39:34,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:34,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:34,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:39:34,143 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:34,144 INFO L82 PathProgramCache]: Analyzing trace with hash -534620391, now seen corresponding path program 1 times [2020-10-22 00:39:34,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:34,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473270619] [2020-10-22 00:39:34,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:34,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473270619] [2020-10-22 00:39:34,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:34,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:39:34,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [252089838] [2020-10-22 00:39:34,236 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:34,237 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:34,240 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 17 transitions. [2020-10-22 00:39:34,240 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:34,292 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:34,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:34,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:34,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:34,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:34,295 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-22 00:39:34,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:34,338 INFO L93 Difference]: Finished difference Result 682 states and 2180 transitions. [2020-10-22 00:39:34,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:34,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-22 00:39:34,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:34,344 INFO L225 Difference]: With dead ends: 682 [2020-10-22 00:39:34,344 INFO L226 Difference]: Without dead ends: 394 [2020-10-22 00:39:34,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:34,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-22 00:39:34,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-22 00:39:34,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-22 00:39:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1224 transitions. [2020-10-22 00:39:34,364 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1224 transitions. Word has length 11 [2020-10-22 00:39:34,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:34,365 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1224 transitions. [2020-10-22 00:39:34,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1224 transitions. [2020-10-22 00:39:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 00:39:34,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:34,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:34,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:39:34,367 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:34,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:34,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1129499006, now seen corresponding path program 1 times [2020-10-22 00:39:34,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:34,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686753046] [2020-10-22 00:39:34,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:34,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686753046] [2020-10-22 00:39:34,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:34,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:39:34,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1642487002] [2020-10-22 00:39:34,427 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:34,428 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:34,431 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 28 transitions. [2020-10-22 00:39:34,432 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:34,548 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:34,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:39:34,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:34,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:39:34,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:34,549 INFO L87 Difference]: Start difference. First operand 394 states and 1224 transitions. Second operand 3 states. [2020-10-22 00:39:34,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:34,558 INFO L93 Difference]: Finished difference Result 376 states and 1155 transitions. [2020-10-22 00:39:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:39:34,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-22 00:39:34,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:34,562 INFO L225 Difference]: With dead ends: 376 [2020-10-22 00:39:34,562 INFO L226 Difference]: Without dead ends: 376 [2020-10-22 00:39:34,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:39:34,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-22 00:39:34,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2020-10-22 00:39:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-22 00:39:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 1155 transitions. [2020-10-22 00:39:34,576 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 1155 transitions. Word has length 12 [2020-10-22 00:39:34,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:34,577 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 1155 transitions. [2020-10-22 00:39:34,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:39:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1155 transitions. [2020-10-22 00:39:34,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:39:34,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:34,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:34,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:39:34,580 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:34,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:34,580 INFO L82 PathProgramCache]: Analyzing trace with hash -951035328, now seen corresponding path program 1 times [2020-10-22 00:39:34,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:34,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734801560] [2020-10-22 00:39:34,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:34,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734801560] [2020-10-22 00:39:34,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:34,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:39:34,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [62320131] [2020-10-22 00:39:34,639 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:34,663 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:34,670 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 71 transitions. [2020-10-22 00:39:34,670 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:35,053 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:35,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:35,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:35,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:35,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:35,055 INFO L87 Difference]: Start difference. First operand 376 states and 1155 transitions. Second operand 4 states. [2020-10-22 00:39:35,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:35,083 INFO L93 Difference]: Finished difference Result 466 states and 1398 transitions. [2020-10-22 00:39:35,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:35,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-22 00:39:35,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:35,086 INFO L225 Difference]: With dead ends: 466 [2020-10-22 00:39:35,087 INFO L226 Difference]: Without dead ends: 226 [2020-10-22 00:39:35,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:35,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-22 00:39:35,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-22 00:39:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-22 00:39:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 651 transitions. [2020-10-22 00:39:35,096 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 651 transitions. Word has length 13 [2020-10-22 00:39:35,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:35,096 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 651 transitions. [2020-10-22 00:39:35,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 651 transitions. [2020-10-22 00:39:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 00:39:35,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:35,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:35,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:39:35,098 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:35,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:35,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1524641156, now seen corresponding path program 1 times [2020-10-22 00:39:35,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:35,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599938288] [2020-10-22 00:39:35,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:35,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599938288] [2020-10-22 00:39:35,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:35,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:39:35,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [784538650] [2020-10-22 00:39:35,174 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:35,176 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:35,181 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 54 transitions. [2020-10-22 00:39:35,182 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:35,250 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:35,286 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:35,310 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:35,385 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-22 00:39:35,455 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [6776#(not (= 4 ~__unbuffered_cnt~0))] [2020-10-22 00:39:35,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:39:35,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:35,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:39:35,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:35,457 INFO L87 Difference]: Start difference. First operand 226 states and 651 transitions. Second operand 5 states. [2020-10-22 00:39:35,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:35,524 INFO L93 Difference]: Finished difference Result 243 states and 637 transitions. [2020-10-22 00:39:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:39:35,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-22 00:39:35,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:35,526 INFO L225 Difference]: With dead ends: 243 [2020-10-22 00:39:35,527 INFO L226 Difference]: Without dead ends: 162 [2020-10-22 00:39:35,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:39:35,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-22 00:39:35,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-10-22 00:39:35,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-22 00:39:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 391 transitions. [2020-10-22 00:39:35,533 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 391 transitions. Word has length 14 [2020-10-22 00:39:35,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:35,533 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 391 transitions. [2020-10-22 00:39:35,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:39:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 391 transitions. [2020-10-22 00:39:35,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 00:39:35,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:35,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:35,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:39:35,535 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:35,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:35,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1193386920, now seen corresponding path program 1 times [2020-10-22 00:39:35,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:35,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796407879] [2020-10-22 00:39:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:35,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796407879] [2020-10-22 00:39:35,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:35,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:39:35,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [510228823] [2020-10-22 00:39:35,597 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:35,599 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:35,604 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 62 transitions. [2020-10-22 00:39:35,605 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:35,860 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7354#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 00:39:35,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 00:39:35,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:35,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 00:39:35,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:39:35,862 INFO L87 Difference]: Start difference. First operand 162 states and 391 transitions. Second operand 7 states. [2020-10-22 00:39:35,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:35,963 INFO L93 Difference]: Finished difference Result 158 states and 360 transitions. [2020-10-22 00:39:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:39:35,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-22 00:39:35,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:35,965 INFO L225 Difference]: With dead ends: 158 [2020-10-22 00:39:35,965 INFO L226 Difference]: Without dead ends: 125 [2020-10-22 00:39:35,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:39:35,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-22 00:39:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-22 00:39:35,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-22 00:39:35,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 282 transitions. [2020-10-22 00:39:35,971 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 282 transitions. Word has length 16 [2020-10-22 00:39:35,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:35,972 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 282 transitions. [2020-10-22 00:39:35,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 00:39:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 282 transitions. [2020-10-22 00:39:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 00:39:35,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:35,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:35,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 00:39:35,973 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:35,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1709090152, now seen corresponding path program 1 times [2020-10-22 00:39:35,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:35,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658035561] [2020-10-22 00:39:35,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:36,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658035561] [2020-10-22 00:39:36,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:36,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 00:39:36,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1561200091] [2020-10-22 00:39:36,054 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:36,056 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:36,061 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 34 transitions. [2020-10-22 00:39:36,061 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:36,134 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [7772#(<= ~__unbuffered_cnt~0 0)] [2020-10-22 00:39:36,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-22 00:39:36,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:36,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-22 00:39:36,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:39:36,136 INFO L87 Difference]: Start difference. First operand 125 states and 282 transitions. Second operand 8 states. [2020-10-22 00:39:36,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:36,202 INFO L93 Difference]: Finished difference Result 120 states and 270 transitions. [2020-10-22 00:39:36,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 00:39:36,203 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-22 00:39:36,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:36,204 INFO L225 Difference]: With dead ends: 120 [2020-10-22 00:39:36,204 INFO L226 Difference]: Without dead ends: 111 [2020-10-22 00:39:36,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:39:36,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-22 00:39:36,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-22 00:39:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-22 00:39:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 254 transitions. [2020-10-22 00:39:36,208 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 254 transitions. Word has length 18 [2020-10-22 00:39:36,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:36,209 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 254 transitions. [2020-10-22 00:39:36,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-22 00:39:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 254 transitions. [2020-10-22 00:39:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 00:39:36,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:36,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:36,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 00:39:36,210 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:36,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:36,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1760559887, now seen corresponding path program 1 times [2020-10-22 00:39:36,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:36,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424236753] [2020-10-22 00:39:36,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:36,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:36,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424236753] [2020-10-22 00:39:36,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:36,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:39:36,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [762947312] [2020-10-22 00:39:36,248 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:36,250 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:36,256 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 40 transitions. [2020-10-22 00:39:36,257 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:36,358 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:36,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:36,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:36,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:36,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:36,359 INFO L87 Difference]: Start difference. First operand 111 states and 254 transitions. Second operand 4 states. [2020-10-22 00:39:36,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:36,386 INFO L93 Difference]: Finished difference Result 144 states and 327 transitions. [2020-10-22 00:39:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:36,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-22 00:39:36,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:36,387 INFO L225 Difference]: With dead ends: 144 [2020-10-22 00:39:36,387 INFO L226 Difference]: Without dead ends: 71 [2020-10-22 00:39:36,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:36,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-22 00:39:36,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-22 00:39:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-22 00:39:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-10-22 00:39:36,392 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 20 [2020-10-22 00:39:36,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:36,392 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-10-22 00:39:36,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-10-22 00:39:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 00:39:36,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:39:36,393 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:39:36,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 00:39:36,394 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:39:36,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:39:36,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1416850207, now seen corresponding path program 2 times [2020-10-22 00:39:36,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:39:36,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110466567] [2020-10-22 00:39:36,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:39:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:39:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:39:36,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110466567] [2020-10-22 00:39:36,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:39:36,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:39:36,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [68244312] [2020-10-22 00:39:36,454 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:39:36,458 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:39:36,466 INFO L252 McrAutomatonBuilder]: Finished intersection with 46 states and 74 transitions. [2020-10-22 00:39:36,466 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:39:36,782 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:39:36,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:39:36,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:39:36,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:39:36,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:39:36,784 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-10-22 00:39:36,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:39:36,796 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-10-22 00:39:36,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:39:36,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-22 00:39:36,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:39:36,797 INFO L225 Difference]: With dead ends: 70 [2020-10-22 00:39:36,797 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 00:39:36,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:39:36,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 00:39:36,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 00:39:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 00:39:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 00:39:36,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-22 00:39:36,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:39:36,799 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 00:39:36,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:39:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 00:39:36,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 00:39:36,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 00:39:36,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:39:36 BasicIcfg [2020-10-22 00:39:36,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:39:36,805 INFO L168 Benchmark]: Toolchain (without parser) took 6937.13 ms. Allocated memory was 140.5 MB in the beginning and 284.7 MB in the end (delta: 144.2 MB). Free memory was 101.7 MB in the beginning and 129.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 116.5 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:36,806 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 00:39:36,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.46 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 159.5 MB in the end (delta: -58.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:36,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.69 ms. Allocated memory is still 203.9 MB. Free memory was 159.5 MB in the beginning and 156.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:36,809 INFO L168 Benchmark]: Boogie Preprocessor took 30.80 ms. Allocated memory is still 203.9 MB. Free memory was 156.9 MB in the beginning and 155.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:36,809 INFO L168 Benchmark]: RCFGBuilder took 569.61 ms. Allocated memory is still 203.9 MB. Free memory was 155.6 MB in the beginning and 129.4 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:36,810 INFO L168 Benchmark]: TraceAbstraction took 5592.13 ms. Allocated memory was 203.9 MB in the beginning and 284.7 MB in the end (delta: 80.7 MB). Free memory was 128.7 MB in the beginning and 129.4 MB in the end (delta: -666.5 kB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-10-22 00:39:36,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.46 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 159.5 MB in the end (delta: -58.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.69 ms. Allocated memory is still 203.9 MB. Free memory was 159.5 MB in the beginning and 156.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.80 ms. Allocated memory is still 203.9 MB. Free memory was 156.9 MB in the beginning and 155.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 569.61 ms. Allocated memory is still 203.9 MB. Free memory was 155.6 MB in the beginning and 129.4 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5592.13 ms. Allocated memory was 203.9 MB in the beginning and 284.7 MB in the end (delta: 80.7 MB). Free memory was 128.7 MB in the beginning and 129.4 MB in the end (delta: -666.5 kB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1064 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 66 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.1s, 101 PlacesBefore, 38 PlacesAfterwards, 91 TransitionsBefore, 26 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 3854 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 188 SDtfs, 179 SDslu, 299 SDs, 0 SdLazy, 168 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 4945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...