/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:09:26,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:09:26,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:09:26,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:09:26,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:09:26,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:09:26,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:09:26,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:09:26,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:09:26,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:09:26,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:09:26,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:09:26,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:09:26,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:09:26,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:09:26,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:09:26,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:09:26,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:09:26,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:09:26,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:09:26,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:09:26,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:09:26,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:09:26,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:09:26,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:09:26,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:09:26,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:09:26,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:09:26,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:09:26,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:09:26,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:09:26,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:09:26,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:09:26,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:09:26,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:09:26,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:09:26,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:09:26,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:09:26,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:09:26,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:09:26,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:09:26,651 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.epf [2020-10-21 23:09:26,673 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:09:26,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:09:26,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:09:26,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:09:26,675 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:09:26,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:09:26,676 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:09:26,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:09:26,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:09:26,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:09:26,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:09:26,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:09:26,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:09:26,677 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:09:26,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:09:26,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:09:26,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:09:26,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:09:26,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:09:26,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:09:26,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:09:26,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:09:26,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:09:26,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:09:26,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:09:26,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:09:26,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:09:26,680 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:09:26,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:09:27,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:09:27,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:09:27,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:09:27,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:09:27,038 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:09:27,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i [2020-10-21 23:09:27,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c75af997d/337d4c3c4f8049a98cbcbac96115ab37/FLAG7e6136e3d [2020-10-21 23:09:27,568 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:09:27,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i [2020-10-21 23:09:27,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c75af997d/337d4c3c4f8049a98cbcbac96115ab37/FLAG7e6136e3d [2020-10-21 23:09:27,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c75af997d/337d4c3c4f8049a98cbcbac96115ab37 [2020-10-21 23:09:27,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:09:27,869 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:09:27,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:09:27,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:09:27,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:09:27,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:09:27" (1/1) ... [2020-10-21 23:09:27,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d251aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:27, skipping insertion in model container [2020-10-21 23:09:27,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:09:27" (1/1) ... [2020-10-21 23:09:27,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:09:27,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:09:28,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:09:28,584 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:09:28,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:09:28,755 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:09:28,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28 WrapperNode [2020-10-21 23:09:28,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:09:28,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:09:28,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:09:28,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:09:28,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (1/1) ... [2020-10-21 23:09:28,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (1/1) ... [2020-10-21 23:09:28,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:09:28,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:09:28,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:09:28,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:09:28,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (1/1) ... [2020-10-21 23:09:28,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (1/1) ... [2020-10-21 23:09:28,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (1/1) ... [2020-10-21 23:09:28,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (1/1) ... [2020-10-21 23:09:28,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (1/1) ... [2020-10-21 23:09:28,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (1/1) ... [2020-10-21 23:09:28,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (1/1) ... [2020-10-21 23:09:28,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:09:28,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:09:28,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:09:28,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:09:28,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (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 [2020-10-21 23:09:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:09:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:09:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:09:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:09:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:09:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:09:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:09:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:09:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:09:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:09:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:09:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:09:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:09:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:09:28,923 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:09:29,331 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:09:29,332 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 23:09:29,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:09:29 BoogieIcfgContainer [2020-10-21 23:09:29,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:09:29,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:09:29,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:09:29,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:09:29,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:09:27" (1/3) ... [2020-10-21 23:09:29,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b3f078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:09:29, skipping insertion in model container [2020-10-21 23:09:29,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:09:28" (2/3) ... [2020-10-21 23:09:29,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b3f078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:09:29, skipping insertion in model container [2020-10-21 23:09:29,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:09:29" (3/3) ... [2020-10-21 23:09:29,344 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_power.oepc.i [2020-10-21 23:09:29,357 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:09:29,357 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:09:29,366 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 23:09:29,367 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:09:29,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,398 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,399 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,401 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,401 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,402 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,402 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,402 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,408 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,408 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,415 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,416 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,420 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,420 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:09:29,423 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:09:29,439 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-21 23:09:29,463 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:09:29,464 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:09:29,464 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:09:29,464 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:09:29,464 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:09:29,464 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:09:29,465 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:09:29,465 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:09:29,480 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:09:29,481 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 80 transitions, 175 flow [2020-10-21 23:09:29,484 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 80 transitions, 175 flow [2020-10-21 23:09:29,486 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 87 places, 80 transitions, 175 flow [2020-10-21 23:09:29,537 INFO L129 PetriNetUnfolder]: 3/77 cut-off events. [2020-10-21 23:09:29,537 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:09:29,543 INFO L80 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 77 events. 3/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-21 23:09:29,546 INFO L116 LiptonReduction]: Number of co-enabled transitions 1440 [2020-10-21 23:09:31,225 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-10-21 23:09:31,479 INFO L131 LiptonReduction]: Checked pairs total: 2901 [2020-10-21 23:09:31,479 INFO L133 LiptonReduction]: Total number of compositions: 75 [2020-10-21 23:09:31,487 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 57 flow [2020-10-21 23:09:31,515 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-10-21 23:09:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-10-21 23:09:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-21 23:09:31,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:31,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:31,527 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:31,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:31,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1054042143, now seen corresponding path program 1 times [2020-10-21 23:09:31,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:31,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417480759] [2020-10-21 23:09:31,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:31,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417480759] [2020-10-21 23:09:31,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:31,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:09:31,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527168312] [2020-10-21 23:09:31,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:09:31,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:31,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:09:31,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:09:31,831 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 4 states. [2020-10-21 23:09:31,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:31,926 INFO L93 Difference]: Finished difference Result 281 states and 711 transitions. [2020-10-21 23:09:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:09:31,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-21 23:09:31,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:31,942 INFO L225 Difference]: With dead ends: 281 [2020-10-21 23:09:31,943 INFO L226 Difference]: Without dead ends: 180 [2020-10-21 23:09:31,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:09:31,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-21 23:09:31,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2020-10-21 23:09:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-21 23:09:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 440 transitions. [2020-10-21 23:09:32,003 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 440 transitions. Word has length 8 [2020-10-21 23:09:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:32,004 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 440 transitions. [2020-10-21 23:09:32,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:09:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 440 transitions. [2020-10-21 23:09:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:09:32,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:32,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:32,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:09:32,006 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:32,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:32,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1550829140, now seen corresponding path program 1 times [2020-10-21 23:09:32,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:32,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578615271] [2020-10-21 23:09:32,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:32,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578615271] [2020-10-21 23:09:32,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:32,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:09:32,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723612412] [2020-10-21 23:09:32,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:09:32,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:32,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:09:32,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:09:32,103 INFO L87 Difference]: Start difference. First operand 180 states and 440 transitions. Second operand 5 states. [2020-10-21 23:09:32,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:32,144 INFO L93 Difference]: Finished difference Result 163 states and 368 transitions. [2020-10-21 23:09:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:09:32,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-21 23:09:32,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:32,147 INFO L225 Difference]: With dead ends: 163 [2020-10-21 23:09:32,147 INFO L226 Difference]: Without dead ends: 126 [2020-10-21 23:09:32,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:09:32,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-21 23:09:32,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-10-21 23:09:32,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-21 23:09:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 278 transitions. [2020-10-21 23:09:32,160 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 278 transitions. Word has length 11 [2020-10-21 23:09:32,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:32,160 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 278 transitions. [2020-10-21 23:09:32,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:09:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 278 transitions. [2020-10-21 23:09:32,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:09:32,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:32,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:32,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:09:32,163 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:32,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:32,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1926964344, now seen corresponding path program 1 times [2020-10-21 23:09:32,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:32,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505188899] [2020-10-21 23:09:32,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:32,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505188899] [2020-10-21 23:09:32,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:32,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:09:32,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241630487] [2020-10-21 23:09:32,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:09:32,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:32,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:09:32,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:09:32,238 INFO L87 Difference]: Start difference. First operand 126 states and 278 transitions. Second operand 6 states. [2020-10-21 23:09:32,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:32,295 INFO L93 Difference]: Finished difference Result 118 states and 260 transitions. [2020-10-21 23:09:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:09:32,295 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-21 23:09:32,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:32,297 INFO L225 Difference]: With dead ends: 118 [2020-10-21 23:09:32,297 INFO L226 Difference]: Without dead ends: 108 [2020-10-21 23:09:32,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-21 23:09:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-21 23:09:32,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-10-21 23:09:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-21 23:09:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 242 transitions. [2020-10-21 23:09:32,306 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 242 transitions. Word has length 14 [2020-10-21 23:09:32,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:32,306 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 242 transitions. [2020-10-21 23:09:32,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:09:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 242 transitions. [2020-10-21 23:09:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:09:32,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:32,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:32,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:09:32,308 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:32,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:32,309 INFO L82 PathProgramCache]: Analyzing trace with hash 337836795, now seen corresponding path program 1 times [2020-10-21 23:09:32,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:32,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988118436] [2020-10-21 23:09:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:32,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988118436] [2020-10-21 23:09:32,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:32,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:09:32,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604609890] [2020-10-21 23:09:32,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:09:32,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:32,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:09:32,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:09:32,364 INFO L87 Difference]: Start difference. First operand 108 states and 242 transitions. Second operand 4 states. [2020-10-21 23:09:32,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:32,380 INFO L93 Difference]: Finished difference Result 133 states and 289 transitions. [2020-10-21 23:09:32,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:09:32,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-21 23:09:32,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:32,381 INFO L225 Difference]: With dead ends: 133 [2020-10-21 23:09:32,381 INFO L226 Difference]: Without dead ends: 54 [2020-10-21 23:09:32,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:09:32,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-21 23:09:32,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-21 23:09:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-21 23:09:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 98 transitions. [2020-10-21 23:09:32,386 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 98 transitions. Word has length 17 [2020-10-21 23:09:32,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:32,386 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 98 transitions. [2020-10-21 23:09:32,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:09:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2020-10-21 23:09:32,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:09:32,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:32,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:32,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:09:32,388 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:32,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:32,389 INFO L82 PathProgramCache]: Analyzing trace with hash 64468355, now seen corresponding path program 2 times [2020-10-21 23:09:32,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:32,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521270883] [2020-10-21 23:09:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:32,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521270883] [2020-10-21 23:09:32,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:32,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:09:32,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680217914] [2020-10-21 23:09:32,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:09:32,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:32,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:09:32,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:09:32,434 INFO L87 Difference]: Start difference. First operand 54 states and 98 transitions. Second operand 4 states. [2020-10-21 23:09:32,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:32,450 INFO L93 Difference]: Finished difference Result 67 states and 119 transitions. [2020-10-21 23:09:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:09:32,451 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-21 23:09:32,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:32,451 INFO L225 Difference]: With dead ends: 67 [2020-10-21 23:09:32,451 INFO L226 Difference]: Without dead ends: 30 [2020-10-21 23:09:32,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:09:32,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-21 23:09:32,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-21 23:09:32,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-21 23:09:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-10-21 23:09:32,455 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 17 [2020-10-21 23:09:32,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:32,455 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-10-21 23:09:32,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:09:32,455 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-10-21 23:09:32,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:09:32,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:09:32,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:09:32,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:09:32,457 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:09:32,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:09:32,457 INFO L82 PathProgramCache]: Analyzing trace with hash -339277395, now seen corresponding path program 3 times [2020-10-21 23:09:32,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:09:32,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763906967] [2020-10-21 23:09:32,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:09:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:09:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:09:32,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763906967] [2020-10-21 23:09:32,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:09:32,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:09:32,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487584854] [2020-10-21 23:09:32,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:09:32,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:09:32,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:09:32,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:09:32,498 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 4 states. [2020-10-21 23:09:32,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:09:32,511 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2020-10-21 23:09:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:09:32,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-21 23:09:32,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:09:32,511 INFO L225 Difference]: With dead ends: 29 [2020-10-21 23:09:32,512 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 23:09:32,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:09:32,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 23:09:32,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 23:09:32,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 23:09:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 23:09:32,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-10-21 23:09:32,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:09:32,513 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 23:09:32,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:09:32,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 23:09:32,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 23:09:32,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:09:32,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:09:32 BasicIcfg [2020-10-21 23:09:32,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:09:32,520 INFO L168 Benchmark]: Toolchain (without parser) took 4656.47 ms. Allocated memory was 144.2 MB in the beginning and 246.9 MB in the end (delta: 102.8 MB). Free memory was 101.5 MB in the beginning and 143.1 MB in the end (delta: -41.6 MB). Peak memory consumption was 61.1 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:32,521 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 23:09:32,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 886.93 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.5 MB in the beginning and 157.8 MB in the end (delta: -57.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:32,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.89 ms. Allocated memory is still 203.4 MB. Free memory was 157.8 MB in the beginning and 155.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:32,524 INFO L168 Benchmark]: Boogie Preprocessor took 35.83 ms. Allocated memory is still 203.4 MB. Free memory was 155.7 MB in the beginning and 154.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:32,525 INFO L168 Benchmark]: RCFGBuilder took 481.07 ms. Allocated memory is still 203.4 MB. Free memory was 153.7 MB in the beginning and 129.3 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:32,526 INFO L168 Benchmark]: TraceAbstraction took 3182.29 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 129.3 MB in the beginning and 143.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:09:32,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 886.93 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.5 MB in the beginning and 157.8 MB in the end (delta: -57.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.89 ms. Allocated memory is still 203.4 MB. Free memory was 157.8 MB in the beginning and 155.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.83 ms. Allocated memory is still 203.4 MB. Free memory was 155.7 MB in the beginning and 154.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 481.07 ms. Allocated memory is still 203.4 MB. Free memory was 153.7 MB in the beginning and 129.3 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3182.29 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 129.3 MB in the beginning and 143.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 792 VarBasedMoverChecksPositive, 22 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 49 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.9s, 87 PlacesBefore, 31 PlacesAfterwards, 80 TransitionsBefore, 21 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 75 TotalNumberOfCompositions, 2901 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 4 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 115 SDtfs, 168 SDslu, 151 SDs, 0 SdLazy, 57 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 2874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...