/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/safe022_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:37:55,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:37:55,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:37:55,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:37:55,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:37:55,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:37:55,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:37:55,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:37:55,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:37:55,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:37:55,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:37:55,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:37:55,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:37:55,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:37:55,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:37:55,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:37:55,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:37:55,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:37:55,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:37:55,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:37:55,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:37:55,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:37:55,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:37:55,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:37:55,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 00:37:55,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:37:55,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:37:55,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:37:55,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:37:55,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:37:55,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:37:55,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:37:55,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:37:55,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:37:55,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:37:55,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:37:55,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-22 00:37:55,689 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:37:55,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:37:55,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:37:55,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:37:55,691 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:37:55,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:37:55,691 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:37:55,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:37:55,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:37:55,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:37:55,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:37:55,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:37:55,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:37:55,693 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:37:55,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:37:55,693 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:37:55,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:37:55,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:37:55,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:37:55,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:37:55,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:37:55,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:37:55,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:37:55,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:37:55,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:37:55,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:37:55,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:37:55,695 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:37:55,696 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:37:55,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:37:55,696 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:37:55,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:37:56,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:37:56,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:37:56,010 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:37:56,010 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:37:56,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2020-10-22 00:37:56,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a7ef43e2/2d3b10e5b852436c8f4b2632576586a4/FLAG2fd5f7d6b [2020-10-22 00:37:56,588 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:37:56,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.oepc.i [2020-10-22 00:37:56,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a7ef43e2/2d3b10e5b852436c8f4b2632576586a4/FLAG2fd5f7d6b [2020-10-22 00:37:56,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a7ef43e2/2d3b10e5b852436c8f4b2632576586a4 [2020-10-22 00:37:56,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:37:56,946 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:37:56,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:37:56,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:37:56,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:37:56,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:37:56" (1/1) ... [2020-10-22 00:37:56,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d1e96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:56, skipping insertion in model container [2020-10-22 00:37:56,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:37:56" (1/1) ... [2020-10-22 00:37:56,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:37:57,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:37:57,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:37:57,607 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:37:57,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:37:57,750 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:37:57,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57 WrapperNode [2020-10-22 00:37:57,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:37:57,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:37:57,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:37:57,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:37:57,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... [2020-10-22 00:37:57,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... [2020-10-22 00:37:57,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:37:57,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:37:57,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:37:57,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:37:57,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... [2020-10-22 00:37:57,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... [2020-10-22 00:37:57,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... [2020-10-22 00:37:57,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... [2020-10-22 00:37:57,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... [2020-10-22 00:37:57,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... [2020-10-22 00:37:57,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... [2020-10-22 00:37:57,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:37:57,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:37:57,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:37:57,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:37:57,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:37:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:37:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:37:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:37:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:37:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 00:37:57,894 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 00:37:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 00:37:57,894 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 00:37:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:37:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:37:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:37:57,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:37:57,897 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:37:58,236 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:37:58,237 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-22 00:37:58,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:37:58 BoogieIcfgContainer [2020-10-22 00:37:58,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:37:58,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:37:58,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:37:58,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:37:58,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:37:56" (1/3) ... [2020-10-22 00:37:58,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e339ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:37:58, skipping insertion in model container [2020-10-22 00:37:58,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:37:57" (2/3) ... [2020-10-22 00:37:58,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e339ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:37:58, skipping insertion in model container [2020-10-22 00:37:58,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:37:58" (3/3) ... [2020-10-22 00:37:58,249 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.oepc.i [2020-10-22 00:37:58,265 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:37:58,265 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:37:58,273 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 00:37:58,274 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:37:58,328 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,329 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,329 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,329 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,331 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,333 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,334 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,343 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,343 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:37:58,355 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 00:37:58,367 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-22 00:37:58,387 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:37:58,388 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:37:58,388 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:37:58,388 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:37:58,388 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:37:58,388 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:37:58,388 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:37:58,388 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:37:58,401 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:37:58,402 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 140 flow [2020-10-22 00:37:58,404 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 140 flow [2020-10-22 00:37:58,406 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 140 flow [2020-10-22 00:37:58,449 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-10-22 00:37:58,449 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 00:37:58,454 INFO L80 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 63 events. 3/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-22 00:37:58,457 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-10-22 00:37:59,650 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-22 00:37:59,958 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-22 00:38:00,062 INFO L131 LiptonReduction]: Checked pairs total: 1892 [2020-10-22 00:38:00,062 INFO L133 LiptonReduction]: Total number of compositions: 66 [2020-10-22 00:38:00,069 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-10-22 00:38:00,083 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 90 states. [2020-10-22 00:38:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-10-22 00:38:00,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 00:38:00,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:00,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 00:38:00,094 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:00,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:00,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1281927427, now seen corresponding path program 1 times [2020-10-22 00:38:00,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:00,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233262065] [2020-10-22 00:38:00,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:38:00,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233262065] [2020-10-22 00:38:00,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:00,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:38:00,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1995786640] [2020-10-22 00:38:00,334 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:00,337 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:00,350 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 00:38:00,351 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:00,355 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:00,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 00:38:00,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:00,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 00:38:00,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 00:38:00,374 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-10-22 00:38:00,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:00,383 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-10-22 00:38:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 00:38:00,385 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-22 00:38:00,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:00,394 INFO L225 Difference]: With dead ends: 90 [2020-10-22 00:38:00,394 INFO L226 Difference]: Without dead ends: 74 [2020-10-22 00:38:00,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 00:38:00,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-22 00:38:00,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-22 00:38:00,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-22 00:38:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-10-22 00:38:00,443 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-10-22 00:38:00,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:00,443 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-10-22 00:38:00,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 00:38:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-10-22 00:38:00,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 00:38:00,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:00,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:00,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:38:00,445 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:00,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:00,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1085050971, now seen corresponding path program 1 times [2020-10-22 00:38:00,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:00,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872183415] [2020-10-22 00:38:00,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:38:00,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872183415] [2020-10-22 00:38:00,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:00,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:38:00,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1553237901] [2020-10-22 00:38:00,574 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:00,576 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:00,578 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 00:38:00,578 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:00,579 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:00,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:38:00,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:00,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:38:00,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:38:00,584 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand 4 states. [2020-10-22 00:38:00,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:00,632 INFO L93 Difference]: Finished difference Result 82 states and 166 transitions. [2020-10-22 00:38:00,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:38:00,633 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-22 00:38:00,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:00,634 INFO L225 Difference]: With dead ends: 82 [2020-10-22 00:38:00,635 INFO L226 Difference]: Without dead ends: 66 [2020-10-22 00:38:00,636 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 [2020-10-22 00:38:00,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-22 00:38:00,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-22 00:38:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-22 00:38:00,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 138 transitions. [2020-10-22 00:38:00,655 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 138 transitions. Word has length 7 [2020-10-22 00:38:00,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:00,656 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 138 transitions. [2020-10-22 00:38:00,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:38:00,657 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 138 transitions. [2020-10-22 00:38:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 00:38:00,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:00,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:00,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:38:00,660 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:00,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:00,661 INFO L82 PathProgramCache]: Analyzing trace with hash 722349434, now seen corresponding path program 1 times [2020-10-22 00:38:00,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:00,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513066315] [2020-10-22 00:38:00,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:38:00,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513066315] [2020-10-22 00:38:00,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:00,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:38:00,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [481571410] [2020-10-22 00:38:00,772 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:00,773 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:00,775 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 10 transitions. [2020-10-22 00:38:00,775 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:00,798 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:00,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:38:00,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:00,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:38:00,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:38:00,799 INFO L87 Difference]: Start difference. First operand 66 states and 138 transitions. Second operand 5 states. [2020-10-22 00:38:00,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:00,857 INFO L93 Difference]: Finished difference Result 78 states and 155 transitions. [2020-10-22 00:38:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:38:00,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-22 00:38:00,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:00,859 INFO L225 Difference]: With dead ends: 78 [2020-10-22 00:38:00,859 INFO L226 Difference]: Without dead ends: 42 [2020-10-22 00:38:00,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 00:38:00,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-22 00:38:00,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-22 00:38:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-22 00:38:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 76 transitions. [2020-10-22 00:38:00,865 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 76 transitions. Word has length 8 [2020-10-22 00:38:00,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:00,865 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 76 transitions. [2020-10-22 00:38:00,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:38:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2020-10-22 00:38:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 00:38:00,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:00,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:00,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:38:00,867 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:00,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:00,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1631439828, now seen corresponding path program 1 times [2020-10-22 00:38:00,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:00,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476446152] [2020-10-22 00:38:00,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:38:00,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476446152] [2020-10-22 00:38:00,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:00,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:38:00,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [440235139] [2020-10-22 00:38:00,948 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:00,949 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:00,952 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 24 transitions. [2020-10-22 00:38:00,952 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:01,025 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:01,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:38:01,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:01,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:38:01,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:38:01,026 INFO L87 Difference]: Start difference. First operand 42 states and 76 transitions. Second operand 4 states. [2020-10-22 00:38:01,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:01,066 INFO L93 Difference]: Finished difference Result 43 states and 68 transitions. [2020-10-22 00:38:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:38:01,067 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 00:38:01,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:01,068 INFO L225 Difference]: With dead ends: 43 [2020-10-22 00:38:01,068 INFO L226 Difference]: Without dead ends: 33 [2020-10-22 00:38:01,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:38:01,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-22 00:38:01,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-22 00:38:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-22 00:38:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 51 transitions. [2020-10-22 00:38:01,072 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 51 transitions. Word has length 10 [2020-10-22 00:38:01,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:01,073 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 51 transitions. [2020-10-22 00:38:01,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:38:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-10-22 00:38:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 00:38:01,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:01,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:01,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:38:01,075 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:01,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:01,075 INFO L82 PathProgramCache]: Analyzing trace with hash 215135871, now seen corresponding path program 1 times [2020-10-22 00:38:01,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:01,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484358027] [2020-10-22 00:38:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:38:01,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484358027] [2020-10-22 00:38:01,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:01,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:38:01,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1682747520] [2020-10-22 00:38:01,164 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:01,165 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:01,167 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 27 transitions. [2020-10-22 00:38:01,167 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:01,244 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:01,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:38:01,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:01,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:38:01,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:38:01,246 INFO L87 Difference]: Start difference. First operand 33 states and 51 transitions. Second operand 5 states. [2020-10-22 00:38:01,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:01,278 INFO L93 Difference]: Finished difference Result 28 states and 39 transitions. [2020-10-22 00:38:01,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:38:01,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-22 00:38:01,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:01,279 INFO L225 Difference]: With dead ends: 28 [2020-10-22 00:38:01,280 INFO L226 Difference]: Without dead ends: 23 [2020-10-22 00:38:01,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-22 00:38:01,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-22 00:38:01,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-22 00:38:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-22 00:38:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions. [2020-10-22 00:38:01,283 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 31 transitions. Word has length 11 [2020-10-22 00:38:01,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:01,284 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 31 transitions. [2020-10-22 00:38:01,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:38:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2020-10-22 00:38:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:38:01,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:38:01,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:38:01,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:38:01,285 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:38:01,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:38:01,286 INFO L82 PathProgramCache]: Analyzing trace with hash 536770965, now seen corresponding path program 1 times [2020-10-22 00:38:01,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:38:01,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334483451] [2020-10-22 00:38:01,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:38:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:38:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:38:01,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334483451] [2020-10-22 00:38:01,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:38:01,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:38:01,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1667469653] [2020-10-22 00:38:01,339 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:38:01,340 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:38:01,342 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 29 transitions. [2020-10-22 00:38:01,342 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:38:01,401 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:38:01,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:38:01,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:38:01,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:38:01,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:38:01,402 INFO L87 Difference]: Start difference. First operand 23 states and 31 transitions. Second operand 5 states. [2020-10-22 00:38:01,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:38:01,433 INFO L93 Difference]: Finished difference Result 22 states and 30 transitions. [2020-10-22 00:38:01,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:38:01,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-22 00:38:01,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:38:01,434 INFO L225 Difference]: With dead ends: 22 [2020-10-22 00:38:01,434 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 00:38:01,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:38:01,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 00:38:01,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 00:38:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 00:38:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 00:38:01,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-22 00:38:01,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:38:01,435 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 00:38:01,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:38:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 00:38:01,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 00:38:01,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 00:38:01,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:38:01 BasicIcfg [2020-10-22 00:38:01,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:38:01,444 INFO L168 Benchmark]: Toolchain (without parser) took 4504.41 ms. Allocated memory was 140.0 MB in the beginning and 248.0 MB in the end (delta: 108.0 MB). Free memory was 101.5 MB in the beginning and 164.8 MB in the end (delta: -63.3 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:01,446 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 00:38:01,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.24 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 156.9 MB in the end (delta: -56.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:01,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.90 ms. Allocated memory is still 202.4 MB. Free memory was 156.9 MB in the beginning and 154.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:01,453 INFO L168 Benchmark]: Boogie Preprocessor took 26.57 ms. Allocated memory is still 202.4 MB. Free memory was 154.8 MB in the beginning and 152.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:01,456 INFO L168 Benchmark]: RCFGBuilder took 416.17 ms. Allocated memory is still 202.4 MB. Free memory was 152.8 MB in the beginning and 131.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:01,457 INFO L168 Benchmark]: TraceAbstraction took 3199.79 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 130.5 MB in the beginning and 164.8 MB in the end (delta: -34.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-10-22 00:38:01,465 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 804.24 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 156.9 MB in the end (delta: -56.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.90 ms. Allocated memory is still 202.4 MB. Free memory was 156.9 MB in the beginning and 154.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.57 ms. Allocated memory is still 202.4 MB. Free memory was 154.8 MB in the beginning and 152.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 416.17 ms. Allocated memory is still 202.4 MB. Free memory was 152.8 MB in the beginning and 131.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3199.79 ms. Allocated memory was 202.4 MB in the beginning and 248.0 MB in the end (delta: 45.6 MB). Free memory was 130.5 MB in the beginning and 164.8 MB in the end (delta: -34.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 448 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 22 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 69 PlacesBefore, 23 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 1892 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 3 procedures, 63 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: 1.6s, HoareTripleCheckerStatistics: 87 SDtfs, 56 SDslu, 112 SDs, 0 SdLazy, 55 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred 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, 0.3s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 1395 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...