/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 15:51:10,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 15:51:10,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 15:51:10,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 15:51:10,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 15:51:10,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 15:51:10,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 15:51:10,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 15:51:10,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 15:51:10,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 15:51:10,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 15:51:10,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 15:51:10,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 15:51:10,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 15:51:10,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 15:51:10,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 15:51:10,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 15:51:10,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 15:51:10,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 15:51:10,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 15:51:10,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 15:51:10,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 15:51:10,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 15:51:10,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 15:51:10,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 15:51:10,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 15:51:10,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 15:51:10,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 15:51:10,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 15:51:10,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-06-16 15:51:10,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 15:51:10,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 15:51:10,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 15:51:10,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-06-16 15:51:10,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 15:51:10,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 15:51:10,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 15:51:10,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 15:51:10,535 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 15:51:10,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 15:51:10,535 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 15:51:10,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 15:51:10,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 15:51:10,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 15:51:10,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 15:51:10,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 15:51:10,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 15:51:10,537 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 15:51:10,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 15:51:10,537 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 15:51:10,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 15:51:10,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 15:51:10,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 15:51:10,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 15:51:10,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 15:51:10,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 15:51:10,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 15:51:10,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 15:51:10,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 15:51:10,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 15:51:10,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 15:51:10,539 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 15:51:10,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 15:51:10,539 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 15:51:10,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 15:51:10,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 15:51:10,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 15:51:10,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 15:51:10,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 15:51:10,854 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 15:51:10,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i [2021-06-16 15:51:10,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d917e40/46914832b811481e9b942d5b28ef88de/FLAG34edc6e2d [2021-06-16 15:51:11,376 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 15:51:11,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i [2021-06-16 15:51:11,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d917e40/46914832b811481e9b942d5b28ef88de/FLAG34edc6e2d [2021-06-16 15:51:11,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d917e40/46914832b811481e9b942d5b28ef88de [2021-06-16 15:51:11,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 15:51:11,697 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 15:51:11,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 15:51:11,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 15:51:11,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 15:51:11,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:51:11" (1/1) ... [2021-06-16 15:51:11,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178a4622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:11, skipping insertion in model container [2021-06-16 15:51:11,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:51:11" (1/1) ... [2021-06-16 15:51:11,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 15:51:11,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 15:51:11,882 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i[950,963] [2021-06-16 15:51:12,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:51:12,093 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 15:51:12,104 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i[950,963] [2021-06-16 15:51:12,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:51:12,212 INFO L208 MainTranslator]: Completed translation [2021-06-16 15:51:12,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12 WrapperNode [2021-06-16 15:51:12,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 15:51:12,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 15:51:12,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 15:51:12,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 15:51:12,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... [2021-06-16 15:51:12,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... [2021-06-16 15:51:12,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 15:51:12,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 15:51:12,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 15:51:12,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 15:51:12,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... [2021-06-16 15:51:12,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... [2021-06-16 15:51:12,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... [2021-06-16 15:51:12,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... [2021-06-16 15:51:12,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... [2021-06-16 15:51:12,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... [2021-06-16 15:51:12,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... [2021-06-16 15:51:12,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 15:51:12,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 15:51:12,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 15:51:12,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 15:51:12,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 15:51:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 15:51:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 15:51:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 15:51:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 15:51:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 15:51:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 15:51:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 15:51:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 15:51:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 15:51:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 15:51:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 15:51:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 15:51:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 15:51:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 15:51:12,406 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 15:51:12,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 15:51:12,760 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 15:51:12,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:51:12 BoogieIcfgContainer [2021-06-16 15:51:12,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 15:51:12,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 15:51:12,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 15:51:12,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 15:51:12,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 03:51:11" (1/3) ... [2021-06-16 15:51:12,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@918b5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:51:12, skipping insertion in model container [2021-06-16 15:51:12,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:12" (2/3) ... [2021-06-16 15:51:12,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@918b5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:51:12, skipping insertion in model container [2021-06-16 15:51:12,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:51:12" (3/3) ... [2021-06-16 15:51:12,769 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_pso.oepc.i [2021-06-16 15:51:12,774 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 15:51:12,774 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 15:51:12,775 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 15:51:12,775 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 15:51:12,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,798 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,798 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,799 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,799 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,800 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,800 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,801 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,801 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,802 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,802 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,803 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,803 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,805 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,805 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,805 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,806 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,809 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,810 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,811 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,812 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:12,813 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 15:51:12,829 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-16 15:51:12,843 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:51:12,843 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:51:12,844 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:51:12,844 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:51:12,844 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:51:12,844 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:51:12,844 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:51:12,844 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 15:51:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 9333 states, 8011 states have (on average 2.234802147047809) internal successors, (17903), 9332 states have internal predecessors, (17903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-16 15:51:13,915 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:13,916 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:13,917 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:13,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:13,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1408065288, now seen corresponding path program 1 times [2021-06-16 15:51:13,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:13,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688170345] [2021-06-16 15:51:13,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:14,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:14,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:14,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:14,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:14,362 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-16 15:51:14,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 15:51:14,393 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:14,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:14,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:14,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:14,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:14,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:14,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:14,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:14,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688170345] [2021-06-16 15:51:14,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688170345] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:14,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:14,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:51:14,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050153778] [2021-06-16 15:51:14,452 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:51:14,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:14,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:51:14,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:51:14,489 INFO L87 Difference]: Start difference. First operand has 9333 states, 8011 states have (on average 2.234802147047809) internal successors, (17903), 9332 states have internal predecessors, (17903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:14,806 INFO L93 Difference]: Finished difference Result 12224 states and 23867 transitions. [2021-06-16 15:51:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:51:14,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-06-16 15:51:14,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:14,844 INFO L225 Difference]: With dead ends: 12224 [2021-06-16 15:51:14,845 INFO L226 Difference]: Without dead ends: 2523 [2021-06-16 15:51:14,851 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 144.6ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-16 15:51:14,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2021-06-16 15:51:15,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2523. [2021-06-16 15:51:15,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 2488 states have (on average 2.161977491961415) internal successors, (5379), 2522 states have internal predecessors, (5379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 5379 transitions. [2021-06-16 15:51:15,063 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 5379 transitions. Word has length 50 [2021-06-16 15:51:15,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:15,063 INFO L482 AbstractCegarLoop]: Abstraction has 2523 states and 5379 transitions. [2021-06-16 15:51:15,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 5379 transitions. [2021-06-16 15:51:15,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-06-16 15:51:15,068 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:15,068 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:15,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 15:51:15,069 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:15,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:15,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1747830793, now seen corresponding path program 1 times [2021-06-16 15:51:15,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:15,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711091011] [2021-06-16 15:51:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:15,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:15,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:15,168 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-16 15:51:15,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 15:51:15,180 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:15,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:15,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:15,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:15,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:15,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:15,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711091011] [2021-06-16 15:51:15,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711091011] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:15,227 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:15,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:51:15,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048123374] [2021-06-16 15:51:15,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:51:15,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:15,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:51:15,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:51:15,230 INFO L87 Difference]: Start difference. First operand 2523 states and 5379 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:15,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:15,536 INFO L93 Difference]: Finished difference Result 3543 states and 7740 transitions. [2021-06-16 15:51:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 15:51:15,537 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-06-16 15:51:15,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:15,548 INFO L225 Difference]: With dead ends: 3543 [2021-06-16 15:51:15,548 INFO L226 Difference]: Without dead ends: 2643 [2021-06-16 15:51:15,555 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 259.6ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-06-16 15:51:15,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2021-06-16 15:51:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2523. [2021-06-16 15:51:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 2488 states have (on average 2.17483922829582) internal successors, (5411), 2522 states have internal predecessors, (5411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 5411 transitions. [2021-06-16 15:51:15,648 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 5411 transitions. Word has length 52 [2021-06-16 15:51:15,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:15,648 INFO L482 AbstractCegarLoop]: Abstraction has 2523 states and 5411 transitions. [2021-06-16 15:51:15,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 5411 transitions. [2021-06-16 15:51:15,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-16 15:51:15,652 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:15,653 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:15,653 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 15:51:15,653 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:15,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:15,653 INFO L82 PathProgramCache]: Analyzing trace with hash 524425610, now seen corresponding path program 1 times [2021-06-16 15:51:15,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:15,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272287520] [2021-06-16 15:51:15,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:15,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:15,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:15,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:15,746 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:15,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:15,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:15,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:15,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:15,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:15,796 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:15,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272287520] [2021-06-16 15:51:15,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272287520] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:15,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:15,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:51:15,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851499329] [2021-06-16 15:51:15,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:51:15,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:15,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:51:15,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:51:15,799 INFO L87 Difference]: Start difference. First operand 2523 states and 5411 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:15,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:15,938 INFO L93 Difference]: Finished difference Result 3123 states and 6823 transitions. [2021-06-16 15:51:15,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:51:15,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-06-16 15:51:15,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:15,946 INFO L225 Difference]: With dead ends: 3123 [2021-06-16 15:51:15,946 INFO L226 Difference]: Without dead ends: 1540 [2021-06-16 15:51:15,946 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 131.3ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-16 15:51:15,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2021-06-16 15:51:15,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1540. [2021-06-16 15:51:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1520 states have (on average 2.232236842105263) internal successors, (3393), 1539 states have internal predecessors, (3393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 3393 transitions. [2021-06-16 15:51:15,983 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 3393 transitions. Word has length 54 [2021-06-16 15:51:15,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:15,985 INFO L482 AbstractCegarLoop]: Abstraction has 1540 states and 3393 transitions. [2021-06-16 15:51:15,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:15,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 3393 transitions. [2021-06-16 15:51:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-16 15:51:15,988 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:15,988 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:15,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 15:51:15,989 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:15,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:15,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1341736940, now seen corresponding path program 1 times [2021-06-16 15:51:15,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:15,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915686866] [2021-06-16 15:51:15,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:16,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:16,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:16,088 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:16,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:16,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:16,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:16,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:16,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:16,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915686866] [2021-06-16 15:51:16,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915686866] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:16,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:16,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 15:51:16,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350080805] [2021-06-16 15:51:16,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 15:51:16,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:16,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 15:51:16,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 15:51:16,167 INFO L87 Difference]: Start difference. First operand 1540 states and 3393 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:16,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:16,273 INFO L93 Difference]: Finished difference Result 1700 states and 3896 transitions. [2021-06-16 15:51:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 15:51:16,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-16 15:51:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:16,279 INFO L225 Difference]: With dead ends: 1700 [2021-06-16 15:51:16,279 INFO L226 Difference]: Without dead ends: 1300 [2021-06-16 15:51:16,280 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 111.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-16 15:51:16,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2021-06-16 15:51:16,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1300. [2021-06-16 15:51:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1280 states have (on average 2.22421875) internal successors, (2847), 1299 states have internal predecessors, (2847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 2847 transitions. [2021-06-16 15:51:16,322 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 2847 transitions. Word has length 55 [2021-06-16 15:51:16,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:16,324 INFO L482 AbstractCegarLoop]: Abstraction has 1300 states and 2847 transitions. [2021-06-16 15:51:16,324 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 2847 transitions. [2021-06-16 15:51:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-06-16 15:51:16,328 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:16,328 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:16,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 15:51:16,328 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:16,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:16,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1110256813, now seen corresponding path program 1 times [2021-06-16 15:51:16,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:16,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121299351] [2021-06-16 15:51:16,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:16,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:16,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:16,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:16,420 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:16,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:16,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:16,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:16,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:16,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:16,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:16,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121299351] [2021-06-16 15:51:16,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121299351] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:16,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:16,460 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:51:16,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562061588] [2021-06-16 15:51:16,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:51:16,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:16,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:51:16,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:51:16,462 INFO L87 Difference]: Start difference. First operand 1300 states and 2847 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:16,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:16,610 INFO L93 Difference]: Finished difference Result 1748 states and 4007 transitions. [2021-06-16 15:51:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:51:16,610 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-06-16 15:51:16,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:16,615 INFO L225 Difference]: With dead ends: 1748 [2021-06-16 15:51:16,615 INFO L226 Difference]: Without dead ends: 920 [2021-06-16 15:51:16,616 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 148.7ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-16 15:51:16,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2021-06-16 15:51:16,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2021-06-16 15:51:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 904 states have (on average 2.3207964601769913) internal successors, (2098), 919 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:16,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 2098 transitions. [2021-06-16 15:51:16,638 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 2098 transitions. Word has length 57 [2021-06-16 15:51:16,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:16,638 INFO L482 AbstractCegarLoop]: Abstraction has 920 states and 2098 transitions. [2021-06-16 15:51:16,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 2098 transitions. [2021-06-16 15:51:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-06-16 15:51:16,641 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:16,641 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:16,642 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 15:51:16,642 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:16,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:16,642 INFO L82 PathProgramCache]: Analyzing trace with hash -697866275, now seen corresponding path program 1 times [2021-06-16 15:51:16,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:16,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689743028] [2021-06-16 15:51:16,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:16,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:16,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:16,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:16,724 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:16,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:16,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:16,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:16,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:16,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:16,768 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:16,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689743028] [2021-06-16 15:51:16,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689743028] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:16,769 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:16,769 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:51:16,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824042312] [2021-06-16 15:51:16,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:51:16,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:16,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:51:16,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:51:16,771 INFO L87 Difference]: Start difference. First operand 920 states and 2098 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:16,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:16,888 INFO L93 Difference]: Finished difference Result 792 states and 1780 transitions. [2021-06-16 15:51:16,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:51:16,888 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-06-16 15:51:16,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:16,889 INFO L225 Difference]: With dead ends: 792 [2021-06-16 15:51:16,889 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 15:51:16,889 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 129.8ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-16 15:51:16,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 15:51:16,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 15:51:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 15:51:16,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-06-16 15:51:16,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:16,890 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 15:51:16,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 15:51:16,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 15:51:16,891 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 15:51:16,892 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 15:51:16,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 03:51:16 BasicIcfg [2021-06-16 15:51:16,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 15:51:16,895 INFO L168 Benchmark]: Toolchain (without parser) took 5198.92 ms. Allocated memory was 179.3 MB in the beginning and 381.7 MB in the end (delta: 202.4 MB). Free memory was 140.7 MB in the beginning and 177.0 MB in the end (delta: -36.3 MB). Peak memory consumption was 167.1 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:16,895 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 179.3 MB. Free memory is still 159.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 15:51:16,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.51 ms. Allocated memory is still 179.3 MB. Free memory was 140.5 MB in the beginning and 141.0 MB in the end (delta: -538.3 kB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:16,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.98 ms. Allocated memory is still 179.3 MB. Free memory was 141.0 MB in the beginning and 139.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:16,899 INFO L168 Benchmark]: Boogie Preprocessor took 34.70 ms. Allocated memory is still 179.3 MB. Free memory was 139.3 MB in the beginning and 137.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:16,900 INFO L168 Benchmark]: RCFGBuilder took 456.08 ms. Allocated memory is still 179.3 MB. Free memory was 137.9 MB in the beginning and 157.6 MB in the end (delta: -19.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:16,902 INFO L168 Benchmark]: TraceAbstraction took 4129.60 ms. Allocated memory was 179.3 MB in the beginning and 381.7 MB in the end (delta: 202.4 MB). Free memory was 157.1 MB in the beginning and 177.0 MB in the end (delta: -19.9 MB). Peak memory consumption was 182.5 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:16,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 179.3 MB. Free memory is still 159.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 515.51 ms. Allocated memory is still 179.3 MB. Free memory was 140.5 MB in the beginning and 141.0 MB in the end (delta: -538.3 kB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.98 ms. Allocated memory is still 179.3 MB. Free memory was 141.0 MB in the beginning and 139.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.70 ms. Allocated memory is still 179.3 MB. Free memory was 139.3 MB in the beginning and 137.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 456.08 ms. Allocated memory is still 179.3 MB. Free memory was 137.9 MB in the beginning and 157.6 MB in the end (delta: -19.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4129.60 ms. Allocated memory was 179.3 MB in the beginning and 381.7 MB in the end (delta: 202.4 MB). Free memory was 157.1 MB in the beginning and 177.0 MB in the end (delta: -19.9 MB). Peak memory consumption was 182.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33078, positive: 31982, positive conditional: 31982, positive unconditional: 0, negative: 1096, negative conditional: 1096, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32629, positive: 31982, positive conditional: 0, positive unconditional: 31982, negative: 647, negative conditional: 0, negative unconditional: 647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 998, positive: 984, positive conditional: 0, positive unconditional: 984, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 998, positive: 980, positive conditional: 0, positive unconditional: 980, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32629, positive: 30998, positive conditional: 0, positive unconditional: 30998, negative: 633, negative conditional: 0, negative unconditional: 633, unknown: 998, unknown conditional: 0, unknown unconditional: 998] , Statistics on independence cache: Total cache size (in pairs): 998, Positive cache size: 984, Positive conditional cache size: 0, Positive unconditional cache size: 984, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Independence queries for same thread: 449 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4049.9ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 81.3ms, AutomataDifference: 1257.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1006.3ms, PartialOrderReductionTime: 995.6ms, HoareTripleCheckerStatistics: 600 SDtfs, 908 SDslu, 2049 SDs, 0 SdLazy, 175 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 170.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 925.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9333occurred in iteration=0, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 393.0ms AutomataMinimizationTime, 6 MinimizatonAttempts, 120 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.4ms SsaConstructionTime, 253.0ms SatisfiabilityAnalysisTime, 849.0ms InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 1374 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...