/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/safe010_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 01:02:18,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 01:02:18,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 01:02:18,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 01:02:18,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 01:02:18,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 01:02:18,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 01:02:18,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 01:02:18,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 01:02:18,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 01:02:18,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 01:02:18,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 01:02:18,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 01:02:18,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 01:02:18,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 01:02:18,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 01:02:18,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 01:02:18,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 01:02:18,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 01:02:18,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 01:02:18,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 01:02:18,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 01:02:18,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 01:02:18,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 01:02:18,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 01:02:18,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 01:02:18,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 01:02:18,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 01:02:18,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 01:02:18,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 01:02:18,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 01:02:18,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 01:02:18,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 01:02:18,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 01:02:18,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 01:02:18,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 01:02:18,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 01:02:18,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 01:02:18,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 01:02:18,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 01:02:18,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 01:02:18,601 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 [2020-10-06 01:02:18,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 01:02:18,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 01:02:18,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 01:02:18,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 01:02:18,650 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 01:02:18,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 01:02:18,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 01:02:18,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 01:02:18,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 01:02:18,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 01:02:18,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 01:02:18,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 01:02:18,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 01:02:18,652 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 01:02:18,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 01:02:18,652 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 01:02:18,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 01:02:18,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 01:02:18,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 01:02:18,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 01:02:18,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 01:02:18,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:02:18,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 01:02:18,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 01:02:18,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 01:02:18,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 01:02:18,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 01:02:18,656 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 01:02:18,656 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 01:02:18,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 01:02:18,657 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 01:02:18,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 01:02:18,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 01:02:18,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 01:02:19,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 01:02:19,000 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 01:02:19,001 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_power.oepc.i [2020-10-06 01:02:19,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442b2c7a3/5f5a2fa1cbda4db0898f1b8f6d57680e/FLAGecf6d49be [2020-10-06 01:02:19,649 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 01:02:19,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_power.oepc.i [2020-10-06 01:02:19,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442b2c7a3/5f5a2fa1cbda4db0898f1b8f6d57680e/FLAGecf6d49be [2020-10-06 01:02:19,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/442b2c7a3/5f5a2fa1cbda4db0898f1b8f6d57680e [2020-10-06 01:02:19,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 01:02:19,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 01:02:19,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 01:02:19,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 01:02:19,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 01:02:19,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:02:19" (1/1) ... [2020-10-06 01:02:19,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2408771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:19, skipping insertion in model container [2020-10-06 01:02:19,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:02:19" (1/1) ... [2020-10-06 01:02:19,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 01:02:19,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 01:02:20,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:02:20,501 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 01:02:20,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:02:20,646 INFO L208 MainTranslator]: Completed translation [2020-10-06 01:02:20,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20 WrapperNode [2020-10-06 01:02:20,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 01:02:20,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 01:02:20,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 01:02:20,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 01:02:20,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (1/1) ... [2020-10-06 01:02:20,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (1/1) ... [2020-10-06 01:02:20,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 01:02:20,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 01:02:20,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 01:02:20,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 01:02:20,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (1/1) ... [2020-10-06 01:02:20,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (1/1) ... [2020-10-06 01:02:20,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (1/1) ... [2020-10-06 01:02:20,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (1/1) ... [2020-10-06 01:02:20,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (1/1) ... [2020-10-06 01:02:20,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (1/1) ... [2020-10-06 01:02:20,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (1/1) ... [2020-10-06 01:02:20,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 01:02:20,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 01:02:20,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 01:02:20,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 01:02:20,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (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 [2020-10-06 01:02:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 01:02:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 01:02:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 01:02:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 01:02:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 01:02:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 01:02:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 01:02:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 01:02:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 01:02:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 01:02:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 01:02:20,842 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 01:02:22,924 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 01:02:22,925 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 01:02:22,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:02:22 BoogieIcfgContainer [2020-10-06 01:02:22,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 01:02:22,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 01:02:22,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 01:02:22,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 01:02:22,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 01:02:19" (1/3) ... [2020-10-06 01:02:22,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebc96e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:02:22, skipping insertion in model container [2020-10-06 01:02:22,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:02:20" (2/3) ... [2020-10-06 01:02:22,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebc96e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:02:22, skipping insertion in model container [2020-10-06 01:02:22,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:02:22" (3/3) ... [2020-10-06 01:02:22,935 INFO L109 eAbstractionObserver]: Analyzing ICFG safe010_power.oepc.i [2020-10-06 01:02:22,947 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 01:02:22,947 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 01:02:22,955 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 01:02:22,956 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 01:02:22,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,984 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,985 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,985 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,985 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,988 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,989 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,989 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,990 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,990 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,990 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,990 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,990 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,991 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,991 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,996 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,997 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,997 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,999 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:22,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:23,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:23,000 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:23,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:23,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:23,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:23,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:23,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:23,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:02:23,016 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 01:02:23,038 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:02:23,039 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:02:23,039 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:02:23,039 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:02:23,039 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:02:23,039 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:02:23,039 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:02:23,040 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:02:23,056 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 75 transitions, 160 flow [2020-10-06 01:02:23,058 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 80 places, 75 transitions, 160 flow [2020-10-06 01:02:23,104 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2020-10-06 01:02:23,104 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:02:23,112 INFO L80 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-06 01:02:23,115 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 80 places, 75 transitions, 160 flow [2020-10-06 01:02:23,135 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2020-10-06 01:02:23,135 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:02:23,136 INFO L80 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-06 01:02:23,138 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 896 [2020-10-06 01:02:23,139 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:02:24,374 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 224 DAG size of output: 184 [2020-10-06 01:02:24,432 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 2, 2, 1] term [2020-10-06 01:02:24,433 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 01:02:24,435 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 1] term [2020-10-06 01:02:24,435 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-06 01:02:25,564 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 139 DAG size of output: 119 [2020-10-06 01:02:26,496 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-06 01:02:27,548 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 105 [2020-10-06 01:02:27,827 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-06 01:02:28,861 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 125 [2020-10-06 01:02:29,205 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-06 01:02:29,414 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-10-06 01:02:29,520 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2325 [2020-10-06 01:02:29,520 INFO L214 etLargeBlockEncoding]: Total number of compositions: 64 [2020-10-06 01:02:29,525 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 19 transitions, 48 flow [2020-10-06 01:02:29,541 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 164 states. [2020-10-06 01:02:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-06 01:02:29,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-06 01:02:29,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:02:29,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-06 01:02:29,552 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:02:29,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:02:29,557 INFO L82 PathProgramCache]: Analyzing trace with hash 897514, now seen corresponding path program 1 times [2020-10-06 01:02:29,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:02:29,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31326692] [2020-10-06 01:02:29,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:02:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:02:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:02:29,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31326692] [2020-10-06 01:02:29,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:02:29,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:02:29,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1897775977] [2020-10-06 01:02:29,775 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:02:29,777 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:02:29,790 INFO L258 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-06 01:02:29,791 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:02:29,795 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:02:29,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:02:29,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:02:29,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:02:29,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:02:29,814 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-10-06 01:02:29,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:02:29,883 INFO L93 Difference]: Finished difference Result 137 states and 320 transitions. [2020-10-06 01:02:29,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:02:29,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-06 01:02:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:02:29,919 INFO L225 Difference]: With dead ends: 137 [2020-10-06 01:02:29,919 INFO L226 Difference]: Without dead ends: 112 [2020-10-06 01:02:29,920 INFO L675 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 [2020-10-06 01:02:29,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-06 01:02:29,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-06 01:02:29,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-06 01:02:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 255 transitions. [2020-10-06 01:02:29,965 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 255 transitions. Word has length 3 [2020-10-06 01:02:29,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:02:29,965 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 255 transitions. [2020-10-06 01:02:29,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:02:29,966 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 255 transitions. [2020-10-06 01:02:29,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 01:02:29,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:02:29,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:02:29,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 01:02:29,967 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:02:29,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:02:29,968 INFO L82 PathProgramCache]: Analyzing trace with hash -13139348, now seen corresponding path program 1 times [2020-10-06 01:02:29,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:02:29,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386660365] [2020-10-06 01:02:29,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:02:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:02:30,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:02:30,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386660365] [2020-10-06 01:02:30,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:02:30,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:02:30,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [460017254] [2020-10-06 01:02:30,148 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:02:30,149 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:02:30,152 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-06 01:02:30,152 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:02:30,153 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:02:30,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:02:30,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:02:30,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:02:30,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:02:30,155 INFO L87 Difference]: Start difference. First operand 112 states and 255 transitions. Second operand 3 states. [2020-10-06 01:02:30,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:02:30,189 INFO L93 Difference]: Finished difference Result 111 states and 252 transitions. [2020-10-06 01:02:30,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:02:30,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-06 01:02:30,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:02:30,193 INFO L225 Difference]: With dead ends: 111 [2020-10-06 01:02:30,193 INFO L226 Difference]: Without dead ends: 111 [2020-10-06 01:02:30,194 INFO L675 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 [2020-10-06 01:02:30,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-06 01:02:30,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-06 01:02:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-06 01:02:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 252 transitions. [2020-10-06 01:02:30,208 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 252 transitions. Word has length 7 [2020-10-06 01:02:30,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:02:30,208 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 252 transitions. [2020-10-06 01:02:30,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:02:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 252 transitions. [2020-10-06 01:02:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-06 01:02:30,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:02:30,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:02:30,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 01:02:30,210 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:02:30,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:02:30,211 INFO L82 PathProgramCache]: Analyzing trace with hash -936774400, now seen corresponding path program 1 times [2020-10-06 01:02:30,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:02:30,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290873399] [2020-10-06 01:02:30,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:02:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:02:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:02:30,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290873399] [2020-10-06 01:02:30,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:02:30,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:02:30,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [586314271] [2020-10-06 01:02:30,286 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:02:30,288 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:02:30,291 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 14 transitions. [2020-10-06 01:02:30,292 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:02:30,338 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:02:30,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:02:30,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:02:30,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:02:30,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:02:30,340 INFO L87 Difference]: Start difference. First operand 111 states and 252 transitions. Second operand 3 states. [2020-10-06 01:02:30,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:02:30,349 INFO L93 Difference]: Finished difference Result 107 states and 241 transitions. [2020-10-06 01:02:30,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:02:30,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-06 01:02:30,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:02:30,351 INFO L225 Difference]: With dead ends: 107 [2020-10-06 01:02:30,352 INFO L226 Difference]: Without dead ends: 107 [2020-10-06 01:02:30,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:02:30,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-06 01:02:30,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-06 01:02:30,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-06 01:02:30,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 241 transitions. [2020-10-06 01:02:30,363 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 241 transitions. Word has length 8 [2020-10-06 01:02:30,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:02:30,364 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 241 transitions. [2020-10-06 01:02:30,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:02:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 241 transitions. [2020-10-06 01:02:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-06 01:02:30,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:02:30,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:02:30,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 01:02:30,365 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:02:30,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:02:30,366 INFO L82 PathProgramCache]: Analyzing trace with hash -407351812, now seen corresponding path program 1 times [2020-10-06 01:02:30,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:02:30,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4036071] [2020-10-06 01:02:30,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:02:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:02:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:02:30,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4036071] [2020-10-06 01:02:30,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:02:30,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:02:30,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [143262234] [2020-10-06 01:02:30,498 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:02:30,499 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:02:30,503 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 12 transitions. [2020-10-06 01:02:30,506 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:02:30,524 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:02:30,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:02:30,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:02:30,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:02:30,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:02:30,526 INFO L87 Difference]: Start difference. First operand 107 states and 241 transitions. Second operand 5 states. [2020-10-06 01:02:30,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:02:30,636 INFO L93 Difference]: Finished difference Result 103 states and 230 transitions. [2020-10-06 01:02:30,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:02:30,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-06 01:02:30,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:02:30,639 INFO L225 Difference]: With dead ends: 103 [2020-10-06 01:02:30,639 INFO L226 Difference]: Without dead ends: 103 [2020-10-06 01:02:30,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:02:30,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-06 01:02:30,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-06 01:02:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-06 01:02:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 230 transitions. [2020-10-06 01:02:30,649 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 230 transitions. Word has length 8 [2020-10-06 01:02:30,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:02:30,649 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 230 transitions. [2020-10-06 01:02:30,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:02:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 230 transitions. [2020-10-06 01:02:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 01:02:30,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:02:30,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:02:30,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 01:02:30,651 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:02:30,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:02:30,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1024732648, now seen corresponding path program 1 times [2020-10-06 01:02:30,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:02:30,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70323926] [2020-10-06 01:02:30,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:02:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:02:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:02:30,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70323926] [2020-10-06 01:02:30,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:02:30,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:02:30,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1971598043] [2020-10-06 01:02:30,724 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:02:30,725 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:02:30,727 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 24 transitions. [2020-10-06 01:02:30,727 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:02:30,799 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1758#(and (<= ~y$w_buff0~0 0) (= ~__unbuffered_p1_EAX~0 0))] [2020-10-06 01:02:30,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 01:02:30,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:02:30,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 01:02:30,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-06 01:02:30,800 INFO L87 Difference]: Start difference. First operand 103 states and 230 transitions. Second operand 6 states. [2020-10-06 01:02:30,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:02:30,889 INFO L93 Difference]: Finished difference Result 135 states and 294 transitions. [2020-10-06 01:02:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 01:02:30,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-10-06 01:02:30,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:02:30,891 INFO L225 Difference]: With dead ends: 135 [2020-10-06 01:02:30,892 INFO L226 Difference]: Without dead ends: 75 [2020-10-06 01:02:30,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-06 01:02:30,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-06 01:02:30,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-06 01:02:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-06 01:02:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 155 transitions. [2020-10-06 01:02:30,898 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 155 transitions. Word has length 9 [2020-10-06 01:02:30,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:02:30,898 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 155 transitions. [2020-10-06 01:02:30,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 01:02:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 155 transitions. [2020-10-06 01:02:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 01:02:30,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:02:30,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:02:30,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 01:02:30,900 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:02:30,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:02:30,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1700985471, now seen corresponding path program 1 times [2020-10-06 01:02:30,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:02:30,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643508962] [2020-10-06 01:02:30,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:02:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:02:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:02:31,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643508962] [2020-10-06 01:02:31,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:02:31,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:02:31,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1288887731] [2020-10-06 01:02:31,070 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:02:31,071 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:02:31,074 INFO L258 McrAutomatonBuilder]: Finished intersection with 20 states and 28 transitions. [2020-10-06 01:02:31,074 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:02:31,126 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:02:31,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:02:31,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:02:31,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:02:31,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:02:31,127 INFO L87 Difference]: Start difference. First operand 75 states and 155 transitions. Second operand 5 states. [2020-10-06 01:02:31,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:02:31,210 INFO L93 Difference]: Finished difference Result 74 states and 152 transitions. [2020-10-06 01:02:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:02:31,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-06 01:02:31,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:02:31,213 INFO L225 Difference]: With dead ends: 74 [2020-10-06 01:02:31,213 INFO L226 Difference]: Without dead ends: 74 [2020-10-06 01:02:31,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 01:02:31,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-06 01:02:31,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-06 01:02:31,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-06 01:02:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 152 transitions. [2020-10-06 01:02:31,224 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 152 transitions. Word has length 10 [2020-10-06 01:02:31,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:02:31,224 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 152 transitions. [2020-10-06 01:02:31,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:02:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 152 transitions. [2020-10-06 01:02:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 01:02:31,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:02:31,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:02:31,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 01:02:31,226 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:02:31,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:02:31,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1190886961, now seen corresponding path program 1 times [2020-10-06 01:02:31,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:02:31,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683363353] [2020-10-06 01:02:31,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:02:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:02:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:02:31,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683363353] [2020-10-06 01:02:31,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:02:31,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 01:02:31,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1437470486] [2020-10-06 01:02:31,437 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:02:31,439 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:02:31,442 INFO L258 McrAutomatonBuilder]: Finished intersection with 20 states and 27 transitions. [2020-10-06 01:02:31,442 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:02:31,515 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:02:31,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 01:02:31,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:02:31,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 01:02:31,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 01:02:31,516 INFO L87 Difference]: Start difference. First operand 74 states and 152 transitions. Second operand 6 states. [2020-10-06 01:02:31,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:02:31,593 INFO L93 Difference]: Finished difference Result 81 states and 165 transitions. [2020-10-06 01:02:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:02:31,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-10-06 01:02:31,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:02:31,597 INFO L225 Difference]: With dead ends: 81 [2020-10-06 01:02:31,598 INFO L226 Difference]: Without dead ends: 81 [2020-10-06 01:02:31,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 01:02:31,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-06 01:02:31,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2020-10-06 01:02:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-06 01:02:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 162 transitions. [2020-10-06 01:02:31,604 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 162 transitions. Word has length 11 [2020-10-06 01:02:31,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:02:31,605 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 162 transitions. [2020-10-06 01:02:31,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 01:02:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 162 transitions. [2020-10-06 01:02:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 01:02:31,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:02:31,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:02:31,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 01:02:31,607 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:02:31,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:02:31,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1190881195, now seen corresponding path program 1 times [2020-10-06 01:02:31,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:02:31,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735046199] [2020-10-06 01:02:31,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:02:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:02:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:02:31,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735046199] [2020-10-06 01:02:31,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:02:31,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:02:31,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [954570447] [2020-10-06 01:02:31,737 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:02:31,741 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:02:31,746 INFO L258 McrAutomatonBuilder]: Finished intersection with 25 states and 38 transitions. [2020-10-06 01:02:31,747 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:02:31,765 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:02:31,808 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:02:31,847 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:02:31,866 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:02:31,883 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:02:31,901 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:02:31,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:02:31,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:02:31,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:02:31,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:02:31,902 INFO L87 Difference]: Start difference. First operand 79 states and 162 transitions. Second operand 4 states. [2020-10-06 01:02:31,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:02:31,923 INFO L93 Difference]: Finished difference Result 50 states and 93 transitions. [2020-10-06 01:02:31,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 01:02:31,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-06 01:02:31,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:02:31,924 INFO L225 Difference]: With dead ends: 50 [2020-10-06 01:02:31,924 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 01:02:31,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:02:31,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 01:02:31,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 01:02:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 01:02:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 01:02:31,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-10-06 01:02:31,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:02:31,927 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 01:02:31,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:02:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 01:02:31,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 01:02:31,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-06 01:02:31,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 01:02:31 BasicIcfg [2020-10-06 01:02:31,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 01:02:31,938 INFO L168 Benchmark]: Toolchain (without parser) took 12080.80 ms. Allocated memory was 140.5 MB in the beginning and 343.4 MB in the end (delta: 202.9 MB). Free memory was 101.1 MB in the beginning and 282.6 MB in the end (delta: -181.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-10-06 01:02:31,939 INFO L168 Benchmark]: CDTParser took 0.15 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. [2020-10-06 01:02:31,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.95 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 158.3 MB in the end (delta: -57.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-06 01:02:31,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.24 ms. Allocated memory is still 203.9 MB. Free memory was 158.3 MB in the beginning and 155.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-06 01:02:31,945 INFO L168 Benchmark]: Boogie Preprocessor took 39.65 ms. Allocated memory is still 203.9 MB. Free memory was 155.5 MB in the beginning and 152.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-06 01:02:31,946 INFO L168 Benchmark]: RCFGBuilder took 2168.84 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 152.8 MB in the beginning and 196.5 MB in the end (delta: -43.6 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. [2020-10-06 01:02:31,951 INFO L168 Benchmark]: TraceAbstraction took 9004.11 ms. Allocated memory was 246.4 MB in the beginning and 343.4 MB in the end (delta: 97.0 MB). Free memory was 196.5 MB in the beginning and 282.6 MB in the end (delta: -86.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-10-06 01:02:31,958 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 792.95 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 158.3 MB in the end (delta: -57.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.24 ms. Allocated memory is still 203.9 MB. Free memory was 158.3 MB in the beginning and 155.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.65 ms. Allocated memory is still 203.9 MB. Free memory was 155.5 MB in the beginning and 152.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2168.84 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 152.8 MB in the beginning and 196.5 MB in the end (delta: -43.6 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9004.11 ms. Allocated memory was 246.4 MB in the beginning and 343.4 MB in the end (delta: 97.0 MB). Free memory was 196.5 MB in the beginning and 282.6 MB in the end (delta: -86.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 6.4s, 80 ProgramPointsBefore, 26 ProgramPointsAfterwards, 75 TransitionsBefore, 19 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 451 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2325 CheckedPairsTotal, 64 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 98 SDtfs, 89 SDslu, 118 SDs, 0 SdLazy, 133 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred 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, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 5088 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...