/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/safe029_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-16 00:41:31,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-16 00:41:31,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-16 00:41:31,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-16 00:41:31,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-16 00:41:31,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-16 00:41:31,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-16 00:41:31,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-16 00:41:31,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-16 00:41:31,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-16 00:41:31,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-16 00:41:31,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-16 00:41:31,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-16 00:41:31,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-16 00:41:31,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-16 00:41:31,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-16 00:41:31,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-16 00:41:31,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-16 00:41:31,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-16 00:41:31,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-16 00:41:31,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-16 00:41:31,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-16 00:41:31,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-16 00:41:31,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-16 00:41:31,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-16 00:41:31,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-16 00:41:31,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-16 00:41:31,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-16 00:41:31,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-16 00:41:31,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-16 00:41:31,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-16 00:41:31,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-16 00:41:31,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-16 00:41:31,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-16 00:41:31,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-16 00:41:31,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-16 00:41:31,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-09-16 00:41:31,473 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-16 00:41:31,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-16 00:41:31,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-16 00:41:31,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-16 00:41:31,477 INFO L138 SettingsManager]: * Use SBE=true [2020-09-16 00:41:31,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-16 00:41:31,477 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-16 00:41:31,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-16 00:41:31,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-16 00:41:31,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-16 00:41:31,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-16 00:41:31,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-16 00:41:31,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-16 00:41:31,480 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-16 00:41:31,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-16 00:41:31,481 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-16 00:41:31,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-16 00:41:31,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-16 00:41:31,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-16 00:41:31,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-16 00:41:31,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-16 00:41:31,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-16 00:41:31,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-16 00:41:31,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-16 00:41:31,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-16 00:41:31,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-16 00:41:31,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-16 00:41:31,483 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-09-16 00:41:31,484 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-16 00:41:31,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-16 00:41:31,484 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-09-16 00:41:31,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-16 00:41:31,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-16 00:41:31,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-16 00:41:31,953 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-16 00:41:31,953 INFO L275 PluginConnector]: CDTParser initialized [2020-09-16 00:41:31,954 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-09-16 00:41:32,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53215a75f/75a2287991fe4e189840b3d31198430c/FLAG20c9d5a99 [2020-09-16 00:41:32,642 INFO L306 CDTParser]: Found 1 translation units. [2020-09-16 00:41:32,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-09-16 00:41:32,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53215a75f/75a2287991fe4e189840b3d31198430c/FLAG20c9d5a99 [2020-09-16 00:41:32,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53215a75f/75a2287991fe4e189840b3d31198430c [2020-09-16 00:41:32,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-16 00:41:32,890 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-16 00:41:32,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-16 00:41:32,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-16 00:41:32,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-16 00:41:32,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:41:32" (1/1) ... [2020-09-16 00:41:32,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f0ea87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:32, skipping insertion in model container [2020-09-16 00:41:32,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:41:32" (1/1) ... [2020-09-16 00:41:32,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-16 00:41:32,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-16 00:41:33,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 00:41:33,533 INFO L203 MainTranslator]: Completed pre-run [2020-09-16 00:41:33,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 00:41:33,679 INFO L208 MainTranslator]: Completed translation [2020-09-16 00:41:33,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33 WrapperNode [2020-09-16 00:41:33,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-16 00:41:33,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-16 00:41:33,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-16 00:41:33,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-16 00:41:33,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... [2020-09-16 00:41:33,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... [2020-09-16 00:41:33,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-16 00:41:33,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-16 00:41:33,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-16 00:41:33,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-16 00:41:33,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... [2020-09-16 00:41:33,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... [2020-09-16 00:41:33,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... [2020-09-16 00:41:33,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... [2020-09-16 00:41:33,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... [2020-09-16 00:41:33,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... [2020-09-16 00:41:33,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... [2020-09-16 00:41:33,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-16 00:41:33,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-16 00:41:33,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-16 00:41:33,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-16 00:41:33,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-16 00:41:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-16 00:41:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-16 00:41:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-16 00:41:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-16 00:41:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-09-16 00:41:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-09-16 00:41:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-09-16 00:41:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-09-16 00:41:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-16 00:41:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-16 00:41:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-16 00:41:33,861 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-16 00:41:34,197 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-16 00:41:34,197 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-09-16 00:41:34,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:41:34 BoogieIcfgContainer [2020-09-16 00:41:34,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-16 00:41:34,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-16 00:41:34,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-16 00:41:34,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-16 00:41:34,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 12:41:32" (1/3) ... [2020-09-16 00:41:34,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b6c545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:41:34, skipping insertion in model container [2020-09-16 00:41:34,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:41:33" (2/3) ... [2020-09-16 00:41:34,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b6c545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:41:34, skipping insertion in model container [2020-09-16 00:41:34,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:41:34" (3/3) ... [2020-09-16 00:41:34,239 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2020-09-16 00:41:34,262 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-16 00:41:34,262 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-16 00:41:34,271 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-16 00:41:34,272 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-16 00:41:34,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,309 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,309 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,310 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,310 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,311 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,312 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,318 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,318 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,325 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,326 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 00:41:34,350 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-16 00:41:34,374 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 00:41:34,374 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 00:41:34,375 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-16 00:41:34,375 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-09-16 00:41:34,375 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 00:41:34,375 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 00:41:34,375 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 00:41:34,376 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 00:41:34,395 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 54 transitions, 118 flow [2020-09-16 00:41:34,397 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 59 places, 54 transitions, 118 flow [2020-09-16 00:41:34,443 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2020-09-16 00:41:34,444 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-16 00:41:34,449 INFO L80 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 52 events. 2/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-09-16 00:41:34,452 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 59 places, 54 transitions, 118 flow [2020-09-16 00:41:34,471 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2020-09-16 00:41:34,471 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-16 00:41:34,472 INFO L80 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 52 events. 2/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-09-16 00:41:34,474 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 672 [2020-09-16 00:41:34,475 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-16 00:41:35,809 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1300 [2020-09-16 00:41:35,810 INFO L214 etLargeBlockEncoding]: Total number of compositions: 46 [2020-09-16 00:41:35,815 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-09-16 00:41:35,831 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-09-16 00:41:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-09-16 00:41:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-16 00:41:35,844 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 00:41:35,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-16 00:41:35,846 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 00:41:35,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 00:41:35,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1812706200, now seen corresponding path program 1 times [2020-09-16 00:41:35,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 00:41:35,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607145189] [2020-09-16 00:41:35,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 00:41:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 00:41:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 00:41:36,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607145189] [2020-09-16 00:41:36,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 00:41:36,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-16 00:41:36,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2058812010] [2020-09-16 00:41:36,156 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-16 00:41:36,160 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-16 00:41:36,178 INFO L274 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-09-16 00:41:36,199 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-16 00:41:36,202 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-16 00:41:36,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 00:41:36,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 00:41:36,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 00:41:36,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 00:41:36,226 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-09-16 00:41:36,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 00:41:36,259 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-09-16 00:41:36,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 00:41:36,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-09-16 00:41:36,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 00:41:36,275 INFO L225 Difference]: With dead ends: 72 [2020-09-16 00:41:36,275 INFO L226 Difference]: Without dead ends: 56 [2020-09-16 00:41:36,277 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 [2020-09-16 00:41:36,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-16 00:41:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-09-16 00:41:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-09-16 00:41:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 114 transitions. [2020-09-16 00:41:36,331 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 114 transitions. Word has length 6 [2020-09-16 00:41:36,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 00:41:36,332 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 114 transitions. [2020-09-16 00:41:36,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 00:41:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2020-09-16 00:41:36,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-16 00:41:36,333 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 00:41:36,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-16 00:41:36,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-16 00:41:36,334 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 00:41:36,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 00:41:36,335 INFO L82 PathProgramCache]: Analyzing trace with hash 343673099, now seen corresponding path program 1 times [2020-09-16 00:41:36,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 00:41:36,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781566215] [2020-09-16 00:41:36,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 00:41:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 00:41:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 00:41:36,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781566215] [2020-09-16 00:41:36,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 00:41:36,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-16 00:41:36,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1202380436] [2020-09-16 00:41:36,411 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-16 00:41:36,411 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-16 00:41:36,414 INFO L274 McrAutomatonBuilder]: Finished intersection with 11 states and 13 transitions. [2020-09-16 00:41:36,414 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-16 00:41:36,452 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-16 00:41:36,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 00:41:36,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 00:41:36,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 00:41:36,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 00:41:36,455 INFO L87 Difference]: Start difference. First operand 56 states and 114 transitions. Second operand 3 states. [2020-09-16 00:41:36,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 00:41:36,464 INFO L93 Difference]: Finished difference Result 55 states and 111 transitions. [2020-09-16 00:41:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 00:41:36,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-09-16 00:41:36,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 00:41:36,466 INFO L225 Difference]: With dead ends: 55 [2020-09-16 00:41:36,466 INFO L226 Difference]: Without dead ends: 55 [2020-09-16 00:41:36,467 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 [2020-09-16 00:41:36,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-09-16 00:41:36,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-09-16 00:41:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-16 00:41:36,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 111 transitions. [2020-09-16 00:41:36,476 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 111 transitions. Word has length 7 [2020-09-16 00:41:36,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 00:41:36,477 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 111 transitions. [2020-09-16 00:41:36,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 00:41:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2020-09-16 00:41:36,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-16 00:41:36,478 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 00:41:36,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 00:41:36,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-16 00:41:36,479 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 00:41:36,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 00:41:36,479 INFO L82 PathProgramCache]: Analyzing trace with hash 2063912123, now seen corresponding path program 1 times [2020-09-16 00:41:36,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 00:41:36,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843632314] [2020-09-16 00:41:36,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 00:41:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 00:41:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 00:41:36,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843632314] [2020-09-16 00:41:36,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 00:41:36,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 00:41:36,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1821937479] [2020-09-16 00:41:36,610 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-16 00:41:36,611 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-16 00:41:36,613 INFO L274 McrAutomatonBuilder]: Finished intersection with 15 states and 21 transitions. [2020-09-16 00:41:36,613 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-16 00:41:36,653 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-09-16 00:41:36,690 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-09-16 00:41:36,714 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-16 00:41:36,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-16 00:41:36,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 00:41:36,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-16 00:41:36,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-16 00:41:36,716 INFO L87 Difference]: Start difference. First operand 55 states and 111 transitions. Second operand 4 states. [2020-09-16 00:41:36,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 00:41:36,751 INFO L93 Difference]: Finished difference Result 56 states and 99 transitions. [2020-09-16 00:41:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-16 00:41:36,751 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-09-16 00:41:36,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 00:41:36,752 INFO L225 Difference]: With dead ends: 56 [2020-09-16 00:41:36,753 INFO L226 Difference]: Without dead ends: 40 [2020-09-16 00:41:36,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-16 00:41:36,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-09-16 00:41:36,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-09-16 00:41:36,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-16 00:41:36,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 66 transitions. [2020-09-16 00:41:36,759 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 66 transitions. Word has length 8 [2020-09-16 00:41:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 00:41:36,759 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 66 transitions. [2020-09-16 00:41:36,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-16 00:41:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-09-16 00:41:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-16 00:41:36,760 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 00:41:36,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 00:41:36,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-16 00:41:36,761 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 00:41:36,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 00:41:36,761 INFO L82 PathProgramCache]: Analyzing trace with hash -444073675, now seen corresponding path program 1 times [2020-09-16 00:41:36,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 00:41:36,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485113060] [2020-09-16 00:41:36,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 00:41:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 00:41:36,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 00:41:36,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485113060] [2020-09-16 00:41:36,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 00:41:36,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 00:41:36,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [401601900] [2020-09-16 00:41:36,863 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-16 00:41:36,864 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-16 00:41:36,866 INFO L274 McrAutomatonBuilder]: Finished intersection with 16 states and 21 transitions. [2020-09-16 00:41:36,866 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-16 00:41:36,915 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-16 00:41:36,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 00:41:36,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 00:41:36,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 00:41:36,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 00:41:36,916 INFO L87 Difference]: Start difference. First operand 40 states and 66 transitions. Second operand 3 states. [2020-09-16 00:41:36,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 00:41:36,933 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2020-09-16 00:41:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 00:41:36,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-09-16 00:41:36,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 00:41:36,934 INFO L225 Difference]: With dead ends: 51 [2020-09-16 00:41:36,934 INFO L226 Difference]: Without dead ends: 41 [2020-09-16 00:41:36,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 00:41:36,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-09-16 00:41:36,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-09-16 00:41:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-16 00:41:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 60 transitions. [2020-09-16 00:41:36,942 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 60 transitions. Word has length 9 [2020-09-16 00:41:36,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 00:41:36,943 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 60 transitions. [2020-09-16 00:41:36,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 00:41:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-09-16 00:41:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-16 00:41:36,944 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 00:41:36,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 00:41:36,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-16 00:41:36,944 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 00:41:36,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 00:41:36,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1686734005, now seen corresponding path program 1 times [2020-09-16 00:41:36,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 00:41:36,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129710879] [2020-09-16 00:41:36,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 00:41:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 00:41:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 00:41:36,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129710879] [2020-09-16 00:41:36,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 00:41:36,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 00:41:36,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1456258069] [2020-09-16 00:41:36,986 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-16 00:41:36,986 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-16 00:41:36,987 INFO L274 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-09-16 00:41:36,987 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-16 00:41:36,988 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-16 00:41:36,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 00:41:36,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 00:41:36,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 00:41:36,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 00:41:36,989 INFO L87 Difference]: Start difference. First operand 39 states and 60 transitions. Second operand 3 states. [2020-09-16 00:41:36,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 00:41:36,999 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2020-09-16 00:41:36,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 00:41:37,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-09-16 00:41:37,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 00:41:37,000 INFO L225 Difference]: With dead ends: 42 [2020-09-16 00:41:37,001 INFO L226 Difference]: Without dead ends: 31 [2020-09-16 00:41:37,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 00:41:37,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-16 00:41:37,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-09-16 00:41:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-16 00:41:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-09-16 00:41:37,005 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2020-09-16 00:41:37,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 00:41:37,006 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-09-16 00:41:37,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 00:41:37,006 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-09-16 00:41:37,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-16 00:41:37,006 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 00:41:37,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 00:41:37,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-16 00:41:37,007 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 00:41:37,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 00:41:37,008 INFO L82 PathProgramCache]: Analyzing trace with hash -881401391, now seen corresponding path program 1 times [2020-09-16 00:41:37,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 00:41:37,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159086631] [2020-09-16 00:41:37,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 00:41:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 00:41:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 00:41:37,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159086631] [2020-09-16 00:41:37,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 00:41:37,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-16 00:41:37,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1317090943] [2020-09-16 00:41:37,117 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-16 00:41:37,118 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-16 00:41:37,119 INFO L274 McrAutomatonBuilder]: Finished intersection with 21 states and 29 transitions. [2020-09-16 00:41:37,120 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-16 00:41:37,167 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [949#(<= ~__unbuffered_cnt~0 0)] [2020-09-16 00:41:37,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-16 00:41:37,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 00:41:37,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-16 00:41:37,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-16 00:41:37,169 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 6 states. [2020-09-16 00:41:37,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 00:41:37,195 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2020-09-16 00:41:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-16 00:41:37,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-09-16 00:41:37,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 00:41:37,196 INFO L225 Difference]: With dead ends: 25 [2020-09-16 00:41:37,196 INFO L226 Difference]: Without dead ends: 0 [2020-09-16 00:41:37,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-16 00:41:37,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-16 00:41:37,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-16 00:41:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-16 00:41:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-16 00:41:37,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-09-16 00:41:37,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 00:41:37,197 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-16 00:41:37,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-16 00:41:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-16 00:41:37,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-16 00:41:37,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-16 00:41:37,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 12:41:37 BasicIcfg [2020-09-16 00:41:37,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-16 00:41:37,207 INFO L168 Benchmark]: Toolchain (without parser) took 4319.07 ms. Allocated memory was 140.0 MB in the beginning and 248.5 MB in the end (delta: 108.5 MB). Free memory was 100.6 MB in the beginning and 137.2 MB in the end (delta: -36.7 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB. [2020-09-16 00:41:37,208 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-16 00:41:37,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.66 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 99.7 MB in the beginning and 161.8 MB in the end (delta: -62.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-09-16 00:41:37,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.41 ms. Allocated memory is still 203.9 MB. Free memory was 161.8 MB in the beginning and 159.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-16 00:41:37,210 INFO L168 Benchmark]: Boogie Preprocessor took 30.17 ms. Allocated memory is still 203.9 MB. Free memory was 159.9 MB in the beginning and 158.9 MB in the end (delta: 969.6 kB). Peak memory consumption was 969.6 kB. Max. memory is 7.1 GB. [2020-09-16 00:41:37,211 INFO L168 Benchmark]: RCFGBuilder took 434.35 ms. Allocated memory is still 203.9 MB. Free memory was 158.9 MB in the beginning and 139.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2020-09-16 00:41:37,212 INFO L168 Benchmark]: TraceAbstraction took 2983.23 ms. Allocated memory was 203.9 MB in the beginning and 248.5 MB in the end (delta: 44.6 MB). Free memory was 138.2 MB in the beginning and 137.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB. [2020-09-16 00:41:37,217 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 789.66 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 99.7 MB in the beginning and 161.8 MB in the end (delta: -62.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.41 ms. Allocated memory is still 203.9 MB. Free memory was 161.8 MB in the beginning and 159.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.17 ms. Allocated memory is still 203.9 MB. Free memory was 159.9 MB in the beginning and 158.9 MB in the end (delta: 969.6 kB). Peak memory consumption was 969.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 434.35 ms. Allocated memory is still 203.9 MB. Free memory was 158.9 MB in the beginning and 139.2 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2983.23 ms. Allocated memory was 203.9 MB in the beginning and 248.5 MB in the end (delta: 44.6 MB). Free memory was 138.2 MB in the beginning and 137.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 59 ProgramPointsBefore, 22 ProgramPointsAfterwards, 54 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 7 FixpointIterations, 11 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 379 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1300 CheckedPairsTotal, 46 TotalNumberOfCompositions - 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 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 79 SDtfs, 27 SDslu, 69 SDs, 0 SdLazy, 41 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 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...