/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 0.1.25-507b705 [2020-09-12 00:04:46,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-12 00:04:46,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-12 00:04:46,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-12 00:04:46,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-12 00:04:46,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-12 00:04:46,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-12 00:04:46,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-12 00:04:46,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-12 00:04:46,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-12 00:04:46,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-12 00:04:46,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-12 00:04:46,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-12 00:04:46,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-12 00:04:46,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-12 00:04:46,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-12 00:04:46,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-12 00:04:46,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-12 00:04:46,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-12 00:04:46,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-12 00:04:46,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-12 00:04:46,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-12 00:04:46,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-12 00:04:46,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-12 00:04:46,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-12 00:04:46,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-12 00:04:46,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-12 00:04:46,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-12 00:04:46,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-12 00:04:46,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-12 00:04:46,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-12 00:04:46,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-12 00:04:46,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-12 00:04:46,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-12 00:04:46,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-12 00:04:46,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-12 00:04:46,414 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 [2020-09-12 00:04:46,439 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-12 00:04:46,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-12 00:04:46,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-12 00:04:46,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-12 00:04:46,447 INFO L138 SettingsManager]: * Use SBE=true [2020-09-12 00:04:46,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-12 00:04:46,447 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-12 00:04:46,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-12 00:04:46,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-12 00:04:46,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-12 00:04:46,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-12 00:04:46,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-12 00:04:46,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-12 00:04:46,448 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-12 00:04:46,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-12 00:04:46,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-12 00:04:46,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-12 00:04:46,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-12 00:04:46,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-12 00:04:46,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-12 00:04:46,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-12 00:04:46,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-12 00:04:46,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-12 00:04:46,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-12 00:04:46,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-12 00:04:46,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-12 00:04:46,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-12 00:04:46,451 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-09-12 00:04:46,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-12 00:04:46,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-12 00:04:46,452 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-09-12 00:04:46,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-12 00:04:46,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-12 00:04:46,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-12 00:04:46,916 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-12 00:04:46,917 INFO L275 PluginConnector]: CDTParser initialized [2020-09-12 00:04:46,918 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-09-12 00:04:47,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26881f2f3/fc0d35c2a8b34bfba261ac95ce987b98/FLAG6da531d55 [2020-09-12 00:04:47,643 INFO L306 CDTParser]: Found 1 translation units. [2020-09-12 00:04:47,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i [2020-09-12 00:04:47,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26881f2f3/fc0d35c2a8b34bfba261ac95ce987b98/FLAG6da531d55 [2020-09-12 00:04:47,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26881f2f3/fc0d35c2a8b34bfba261ac95ce987b98 [2020-09-12 00:04:47,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-12 00:04:47,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-12 00:04:47,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-12 00:04:47,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-12 00:04:47,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-12 00:04:47,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 12:04:47" (1/1) ... [2020-09-12 00:04:47,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d953c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:47, skipping insertion in model container [2020-09-12 00:04:47,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 12:04:47" (1/1) ... [2020-09-12 00:04:47,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-12 00:04:48,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-12 00:04:48,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-12 00:04:48,584 INFO L203 MainTranslator]: Completed pre-run [2020-09-12 00:04:48,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-12 00:04:48,713 INFO L208 MainTranslator]: Completed translation [2020-09-12 00:04:48,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48 WrapperNode [2020-09-12 00:04:48,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-12 00:04:48,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-12 00:04:48,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-12 00:04:48,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-12 00:04:48,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (1/1) ... [2020-09-12 00:04:48,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (1/1) ... [2020-09-12 00:04:48,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-12 00:04:48,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-12 00:04:48,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-12 00:04:48,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-12 00:04:48,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (1/1) ... [2020-09-12 00:04:48,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (1/1) ... [2020-09-12 00:04:48,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (1/1) ... [2020-09-12 00:04:48,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (1/1) ... [2020-09-12 00:04:48,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (1/1) ... [2020-09-12 00:04:48,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (1/1) ... [2020-09-12 00:04:48,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (1/1) ... [2020-09-12 00:04:48,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-12 00:04:48,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-12 00:04:48,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-12 00:04:48,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-12 00:04:48,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (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 [2020-09-12 00:04:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-12 00:04:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-12 00:04:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-12 00:04:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-12 00:04:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-09-12 00:04:48,898 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-09-12 00:04:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-09-12 00:04:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-09-12 00:04:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-12 00:04:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-12 00:04:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-12 00:04:48,902 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-12 00:04:49,235 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-12 00:04:49,236 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-09-12 00:04:49,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 12:04:49 BoogieIcfgContainer [2020-09-12 00:04:49,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-12 00:04:49,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-12 00:04:49,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-12 00:04:49,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-12 00:04:49,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 12:04:47" (1/3) ... [2020-09-12 00:04:49,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413f3462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 12:04:49, skipping insertion in model container [2020-09-12 00:04:49,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 12:04:48" (2/3) ... [2020-09-12 00:04:49,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413f3462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 12:04:49, skipping insertion in model container [2020-09-12 00:04:49,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 12:04:49" (3/3) ... [2020-09-12 00:04:49,252 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2020-09-12 00:04:49,264 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-12 00:04:49,264 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-12 00:04:49,275 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-12 00:04:49,276 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-12 00:04:49,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,307 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,307 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,310 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,310 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,316 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,316 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,325 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,326 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-12 00:04:49,350 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-12 00:04:49,373 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-12 00:04:49,373 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-12 00:04:49,374 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-12 00:04:49,374 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-09-12 00:04:49,374 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-12 00:04:49,374 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-12 00:04:49,374 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-12 00:04:49,375 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-12 00:04:49,393 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 54 transitions, 118 flow [2020-09-12 00:04:49,395 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 59 places, 54 transitions, 118 flow [2020-09-12 00:04:49,443 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2020-09-12 00:04:49,444 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-12 00:04:49,450 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. [2020-09-12 00:04:49,452 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 59 places, 54 transitions, 118 flow [2020-09-12 00:04:49,473 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2020-09-12 00:04:49,473 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-12 00:04:49,474 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. [2020-09-12 00:04:49,476 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 672 [2020-09-12 00:04:49,478 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-12 00:04:50,816 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1300 [2020-09-12 00:04:50,816 INFO L214 etLargeBlockEncoding]: Total number of compositions: 46 [2020-09-12 00:04:50,821 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-09-12 00:04:50,838 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-09-12 00:04:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-09-12 00:04:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-12 00:04:50,850 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:04:50,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-12 00:04:50,852 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:04:50,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:04:50,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1812706200, now seen corresponding path program 1 times [2020-09-12 00:04:50,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:04:50,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013068274] [2020-09-12 00:04:50,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:04:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:04:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:04:51,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013068274] [2020-09-12 00:04:51,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:04:51,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-12 00:04:51,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [296353853] [2020-09-12 00:04:51,135 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:04:51,139 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:04:51,156 INFO L274 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-09-12 00:04:51,156 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:04:51,159 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:04:51,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-12 00:04:51,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:04:51,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-12 00:04:51,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-12 00:04:51,193 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-09-12 00:04:51,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:04:51,225 INFO L93 Difference]: Finished difference Result 72 states and 154 transitions. [2020-09-12 00:04:51,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-12 00:04:51,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-09-12 00:04:51,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:04:51,241 INFO L225 Difference]: With dead ends: 72 [2020-09-12 00:04:51,242 INFO L226 Difference]: Without dead ends: 56 [2020-09-12 00:04:51,244 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 [2020-09-12 00:04:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-12 00:04:51,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-09-12 00:04:51,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-09-12 00:04:51,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 114 transitions. [2020-09-12 00:04:51,297 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 114 transitions. Word has length 6 [2020-09-12 00:04:51,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:04:51,298 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 114 transitions. [2020-09-12 00:04:51,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-12 00:04:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2020-09-12 00:04:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-12 00:04:51,299 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:04:51,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:04:51,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-12 00:04:51,300 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:04:51,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:04:51,300 INFO L82 PathProgramCache]: Analyzing trace with hash 343673099, now seen corresponding path program 1 times [2020-09-12 00:04:51,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:04:51,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687357535] [2020-09-12 00:04:51,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:04:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:04:51,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:04:51,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687357535] [2020-09-12 00:04:51,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:04:51,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-12 00:04:51,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [697479111] [2020-09-12 00:04:51,380 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:04:51,381 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:04:51,384 INFO L274 McrAutomatonBuilder]: Finished intersection with 11 states and 13 transitions. [2020-09-12 00:04:51,384 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:04:51,420 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:04:51,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-12 00:04:51,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:04:51,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-12 00:04:51,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-12 00:04:51,423 INFO L87 Difference]: Start difference. First operand 56 states and 114 transitions. Second operand 3 states. [2020-09-12 00:04:51,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:04:51,431 INFO L93 Difference]: Finished difference Result 55 states and 111 transitions. [2020-09-12 00:04:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-12 00:04:51,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-09-12 00:04:51,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:04:51,433 INFO L225 Difference]: With dead ends: 55 [2020-09-12 00:04:51,434 INFO L226 Difference]: Without dead ends: 55 [2020-09-12 00:04:51,435 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 [2020-09-12 00:04:51,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-09-12 00:04:51,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-09-12 00:04:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-12 00:04:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 111 transitions. [2020-09-12 00:04:51,443 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 111 transitions. Word has length 7 [2020-09-12 00:04:51,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:04:51,444 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 111 transitions. [2020-09-12 00:04:51,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-12 00:04:51,444 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2020-09-12 00:04:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-12 00:04:51,445 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:04:51,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:04:51,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-12 00:04:51,446 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:04:51,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:04:51,446 INFO L82 PathProgramCache]: Analyzing trace with hash 2063912123, now seen corresponding path program 1 times [2020-09-12 00:04:51,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:04:51,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884957988] [2020-09-12 00:04:51,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:04:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:04:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:04:51,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884957988] [2020-09-12 00:04:51,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:04:51,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-12 00:04:51,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [964667361] [2020-09-12 00:04:51,614 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:04:51,615 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:04:51,617 INFO L274 McrAutomatonBuilder]: Finished intersection with 15 states and 21 transitions. [2020-09-12 00:04:51,617 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:04:51,663 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-09-12 00:04:51,694 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-09-12 00:04:51,727 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-09-12 00:04:51,740 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:04:51,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-12 00:04:51,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:04:51,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-12 00:04:51,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-12 00:04:51,741 INFO L87 Difference]: Start difference. First operand 55 states and 111 transitions. Second operand 4 states. [2020-09-12 00:04:51,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:04:51,775 INFO L93 Difference]: Finished difference Result 56 states and 99 transitions. [2020-09-12 00:04:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-12 00:04:51,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-09-12 00:04:51,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:04:51,777 INFO L225 Difference]: With dead ends: 56 [2020-09-12 00:04:51,777 INFO L226 Difference]: Without dead ends: 40 [2020-09-12 00:04:51,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-12 00:04:51,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-09-12 00:04:51,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-09-12 00:04:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-12 00:04:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 66 transitions. [2020-09-12 00:04:51,783 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 66 transitions. Word has length 8 [2020-09-12 00:04:51,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:04:51,784 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 66 transitions. [2020-09-12 00:04:51,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-12 00:04:51,784 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2020-09-12 00:04:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-12 00:04:51,785 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:04:51,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:04:51,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-12 00:04:51,785 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:04:51,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:04:51,786 INFO L82 PathProgramCache]: Analyzing trace with hash -444073675, now seen corresponding path program 1 times [2020-09-12 00:04:51,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:04:51,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101223006] [2020-09-12 00:04:51,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:04:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:04:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:04:51,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101223006] [2020-09-12 00:04:51,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:04:51,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-12 00:04:51,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2025105614] [2020-09-12 00:04:51,841 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:04:51,842 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:04:51,843 INFO L274 McrAutomatonBuilder]: Finished intersection with 16 states and 21 transitions. [2020-09-12 00:04:51,843 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:04:51,894 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:04:51,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-12 00:04:51,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:04:51,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-12 00:04:51,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-12 00:04:51,895 INFO L87 Difference]: Start difference. First operand 40 states and 66 transitions. Second operand 3 states. [2020-09-12 00:04:51,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:04:51,904 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2020-09-12 00:04:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-12 00:04:51,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-09-12 00:04:51,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:04:51,906 INFO L225 Difference]: With dead ends: 51 [2020-09-12 00:04:51,906 INFO L226 Difference]: Without dead ends: 41 [2020-09-12 00:04:51,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-12 00:04:51,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-09-12 00:04:51,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-09-12 00:04:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-09-12 00:04:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 60 transitions. [2020-09-12 00:04:51,912 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 60 transitions. Word has length 9 [2020-09-12 00:04:51,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:04:51,913 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 60 transitions. [2020-09-12 00:04:51,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-12 00:04:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-09-12 00:04:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-12 00:04:51,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:04:51,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:04:51,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-12 00:04:51,914 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:04:51,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:04:51,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1686734005, now seen corresponding path program 1 times [2020-09-12 00:04:51,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:04:51,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705956132] [2020-09-12 00:04:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:04:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:04:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:04:51,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705956132] [2020-09-12 00:04:51,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:04:51,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-12 00:04:51,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2138644780] [2020-09-12 00:04:51,961 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:04:51,962 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:04:51,963 INFO L274 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-09-12 00:04:51,963 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:04:51,963 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-09-12 00:04:51,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-12 00:04:51,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:04:51,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-12 00:04:51,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-12 00:04:51,964 INFO L87 Difference]: Start difference. First operand 39 states and 60 transitions. Second operand 3 states. [2020-09-12 00:04:51,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:04:51,973 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2020-09-12 00:04:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-12 00:04:51,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-09-12 00:04:51,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:04:51,974 INFO L225 Difference]: With dead ends: 42 [2020-09-12 00:04:51,974 INFO L226 Difference]: Without dead ends: 31 [2020-09-12 00:04:51,975 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 [2020-09-12 00:04:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-12 00:04:51,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2020-09-12 00:04:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-12 00:04:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2020-09-12 00:04:51,979 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2020-09-12 00:04:51,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:04:51,979 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2020-09-12 00:04:51,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-12 00:04:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-09-12 00:04:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-12 00:04:51,980 INFO L414 BasicCegarLoop]: Found error trace [2020-09-12 00:04:51,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-12 00:04:51,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-12 00:04:51,981 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-12 00:04:51,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-12 00:04:51,981 INFO L82 PathProgramCache]: Analyzing trace with hash -881401391, now seen corresponding path program 1 times [2020-09-12 00:04:51,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-12 00:04:51,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579528225] [2020-09-12 00:04:51,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-12 00:04:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-12 00:04:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-12 00:04:52,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579528225] [2020-09-12 00:04:52,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-12 00:04:52,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-12 00:04:52,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1960844310] [2020-09-12 00:04:52,067 INFO L216 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-09-12 00:04:52,068 INFO L271 McrAutomatonBuilder]: Started intersection. [2020-09-12 00:04:52,070 INFO L274 McrAutomatonBuilder]: Finished intersection with 21 states and 29 transitions. [2020-09-12 00:04:52,070 INFO L299 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-09-12 00:04:52,157 INFO L399 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [949#(<= ~__unbuffered_cnt~0 0)] [2020-09-12 00:04:52,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-12 00:04:52,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-12 00:04:52,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-12 00:04:52,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-12 00:04:52,158 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 6 states. [2020-09-12 00:04:52,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-12 00:04:52,183 INFO L93 Difference]: Finished difference Result 25 states and 34 transitions. [2020-09-12 00:04:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-12 00:04:52,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-09-12 00:04:52,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-12 00:04:52,184 INFO L225 Difference]: With dead ends: 25 [2020-09-12 00:04:52,184 INFO L226 Difference]: Without dead ends: 0 [2020-09-12 00:04:52,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-12 00:04:52,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-12 00:04:52,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-12 00:04:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-12 00:04:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-12 00:04:52,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-09-12 00:04:52,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-12 00:04:52,185 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-12 00:04:52,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-12 00:04:52,186 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-12 00:04:52,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-12 00:04:52,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-12 00:04:52,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.09 12:04:52 BasicIcfg [2020-09-12 00:04:52,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-12 00:04:52,195 INFO L168 Benchmark]: Toolchain (without parser) took 4275.35 ms. Allocated memory was 139.5 MB in the beginning and 250.1 MB in the end (delta: 110.6 MB). Free memory was 101.7 MB in the beginning and 138.4 MB in the end (delta: -36.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2020-09-12 00:04:52,196 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-12 00:04:52,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.92 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 161.6 MB in the end (delta: -60.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-09-12 00:04:52,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.95 ms. Allocated memory is still 202.9 MB. Free memory was 160.9 MB in the beginning and 158.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-12 00:04:52,199 INFO L168 Benchmark]: Boogie Preprocessor took 28.03 ms. Allocated memory is still 202.9 MB. Free memory was 158.9 MB in the beginning and 157.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-12 00:04:52,200 INFO L168 Benchmark]: RCFGBuilder took 438.03 ms. Allocated memory is still 202.9 MB. Free memory was 157.6 MB in the beginning and 138.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2020-09-12 00:04:52,201 INFO L168 Benchmark]: TraceAbstraction took 2948.30 ms. Allocated memory was 202.9 MB in the beginning and 250.1 MB in the end (delta: 47.2 MB). Free memory was 137.3 MB in the beginning and 138.4 MB in the end (delta: -1.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2020-09-12 00:04:52,205 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 788.92 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 161.6 MB in the end (delta: -60.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 60.95 ms. Allocated memory is still 202.9 MB. Free memory was 160.9 MB in the beginning and 158.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.03 ms. Allocated memory is still 202.9 MB. Free memory was 158.9 MB in the beginning and 157.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 438.03 ms. Allocated memory is still 202.9 MB. Free memory was 157.6 MB in the beginning and 138.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2948.30 ms. Allocated memory was 202.9 MB in the beginning and 250.1 MB in the end (delta: 47.2 MB). Free memory was 137.3 MB in the beginning and 138.4 MB in the end (delta: -1.1 MB). Peak memory consumption was 46.1 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, 42 GetRequests, 24 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 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, 0.3s 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...