/usr/bin/java -Xmx16000000000 -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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 10:09:13,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 10:09:13,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 10:09:13,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 10:09:13,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 10:09:13,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 10:09:13,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 10:09:13,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 10:09:13,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 10:09:13,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 10:09:13,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 10:09:13,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 10:09:13,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 10:09:13,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 10:09:13,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 10:09:13,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 10:09:13,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 10:09:13,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 10:09:13,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 10:09:13,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 10:09:13,448 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-Separate.epf [2021-06-05 10:09:13,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 10:09:13,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 10:09:13,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 10:09:13,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 10:09:13,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 10:09:13,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 10:09:13,500 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 10:09:13,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 10:09:13,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 10:09:13,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 10:09:13,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 10:09:13,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 10:09:13,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 10:09:13,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 10:09:13,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 10:09:13,501 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 10:09:13,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 10:09:13,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 10:09:13,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 10:09:13,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 10:09:13,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 10:09:13,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 10:09:13,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 10:09:13,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 10:09:13,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 10:09:13,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 10:09:13,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 10:09:13,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 10:09:13,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 10:09:13,503 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 10:09:13,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 10:09:13,503 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 10:09:13,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 10:09:13,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 10:09:13,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 10:09:13,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 10:09:13,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 10:09:13,750 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 10:09:13,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i [2021-06-05 10:09:13,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4144e5c/53ff8b1f71324cd3a09f61b7fbd1e907/FLAGb2326da93 [2021-06-05 10:09:14,191 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 10:09:14,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i [2021-06-05 10:09:14,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4144e5c/53ff8b1f71324cd3a09f61b7fbd1e907/FLAGb2326da93 [2021-06-05 10:09:14,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4144e5c/53ff8b1f71324cd3a09f61b7fbd1e907 [2021-06-05 10:09:14,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 10:09:14,224 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 10:09:14,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 10:09:14,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 10:09:14,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 10:09:14,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67762b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14, skipping insertion in model container [2021-06-05 10:09:14,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 10:09:14,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 10:09:14,434 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/safe020_tso.oepc.i[950,963] [2021-06-05 10:09:14,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:09:14,564 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 10:09:14,572 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/safe020_tso.oepc.i[950,963] [2021-06-05 10:09:14,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 10:09:14,642 INFO L208 MainTranslator]: Completed translation [2021-06-05 10:09:14,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14 WrapperNode [2021-06-05 10:09:14,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 10:09:14,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 10:09:14,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 10:09:14,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 10:09:14,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 10:09:14,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 10:09:14,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 10:09:14,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 10:09:14,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (1/1) ... [2021-06-05 10:09:14,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 10:09:14,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 10:09:14,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 10:09:14,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 10:09:14,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (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 [2021-06-05 10:09:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 10:09:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 10:09:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 10:09:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 10:09:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 10:09:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 10:09:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 10:09:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 10:09:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 10:09:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 10:09:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 10:09:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 10:09:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 10:09:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 10:09:14,747 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 10:09:14,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 10:09:14,987 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 10:09:14,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:09:14 BoogieIcfgContainer [2021-06-05 10:09:14,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 10:09:14,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 10:09:14,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 10:09:14,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 10:09:14,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 10:09:14" (1/3) ... [2021-06-05 10:09:14,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b5a5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:09:14, skipping insertion in model container [2021-06-05 10:09:14,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 10:09:14" (2/3) ... [2021-06-05 10:09:14,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b5a5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 10:09:14, skipping insertion in model container [2021-06-05 10:09:14,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 10:09:14" (3/3) ... [2021-06-05 10:09:14,996 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_tso.oepc.i [2021-06-05 10:09:14,999 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 10:09:15,000 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 10:09:15,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 10:09:15,000 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 10:09:15,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,040 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,040 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,041 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,041 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,042 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,042 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,042 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,042 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,043 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,043 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,044 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,044 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,046 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,046 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,057 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,057 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,063 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,063 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 10:09:15,066 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 10:09:15,082 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 10:09:15,102 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 10:09:15,102 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 10:09:15,102 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 10:09:15,102 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 10:09:15,102 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 10:09:15,102 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 10:09:15,102 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 10:09:15,103 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 10:09:15,112 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 82 transitions, 179 flow [2021-06-05 10:09:15,389 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8008 states, 8006 states have (on average 3.5367224581563828) internal successors, (28315), 8007 states have internal predecessors, (28315), 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) [2021-06-05 10:09:15,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 8008 states, 8006 states have (on average 3.5367224581563828) internal successors, (28315), 8007 states have internal predecessors, (28315), 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) [2021-06-05 10:09:15,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-06-05 10:09:15,445 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:15,446 INFO L521 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] [2021-06-05 10:09:15,446 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:15,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:15,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1333187383, now seen corresponding path program 1 times [2021-06-05 10:09:15,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:15,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824078272] [2021-06-05 10:09:15,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:15,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:15,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824078272] [2021-06-05 10:09:15,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824078272] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:15,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:15,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:09:15,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112210160] [2021-06-05 10:09:15,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:09:15,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:15,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:09:15,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:09:15,730 INFO L87 Difference]: Start difference. First operand has 8008 states, 8006 states have (on average 3.5367224581563828) internal successors, (28315), 8007 states have internal predecessors, (28315), 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 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-06-05 10:09:16,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:16,018 INFO L93 Difference]: Finished difference Result 11254 states and 38820 transitions. [2021-06-05 10:09:16,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:09:16,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 48 [2021-06-05 10:09:16,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:16,057 INFO L225 Difference]: With dead ends: 11254 [2021-06-05 10:09:16,058 INFO L226 Difference]: Without dead ends: 4264 [2021-06-05 10:09:16,059 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 109.0ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:09:16,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2021-06-05 10:09:16,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 4264. [2021-06-05 10:09:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4264 states, 4263 states have (on average 3.373915083274689) internal successors, (14383), 4263 states have internal predecessors, (14383), 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) [2021-06-05 10:09:16,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 4264 states and 14383 transitions. [2021-06-05 10:09:16,292 INFO L78 Accepts]: Start accepts. Automaton has 4264 states and 14383 transitions. Word has length 48 [2021-06-05 10:09:16,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:16,295 INFO L482 AbstractCegarLoop]: Abstraction has 4264 states and 14383 transitions. [2021-06-05 10:09:16,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-06-05 10:09:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 14383 transitions. [2021-06-05 10:09:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-05 10:09:16,308 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:16,308 INFO L521 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] [2021-06-05 10:09:16,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 10:09:16,308 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:16,310 INFO L82 PathProgramCache]: Analyzing trace with hash 622542102, now seen corresponding path program 1 times [2021-06-05 10:09:16,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:16,311 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715052801] [2021-06-05 10:09:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:16,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:16,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715052801] [2021-06-05 10:09:16,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715052801] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:16,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:16,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:09:16,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643427569] [2021-06-05 10:09:16,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:09:16,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:16,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:09:16,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:09:16,434 INFO L87 Difference]: Start difference. First operand 4264 states and 14383 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 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) [2021-06-05 10:09:16,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:16,573 INFO L93 Difference]: Finished difference Result 4744 states and 15857 transitions. [2021-06-05 10:09:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:09:16,574 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 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 [2021-06-05 10:09:16,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:16,592 INFO L225 Difference]: With dead ends: 4744 [2021-06-05 10:09:16,592 INFO L226 Difference]: Without dead ends: 3904 [2021-06-05 10:09:16,593 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 81.8ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:09:16,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2021-06-05 10:09:16,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 3904. [2021-06-05 10:09:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3904 states, 3903 states have (on average 3.3499871893415323) internal successors, (13075), 3903 states have internal predecessors, (13075), 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) [2021-06-05 10:09:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3904 states to 3904 states and 13075 transitions. [2021-06-05 10:09:16,686 INFO L78 Accepts]: Start accepts. Automaton has 3904 states and 13075 transitions. Word has length 50 [2021-06-05 10:09:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:16,687 INFO L482 AbstractCegarLoop]: Abstraction has 3904 states and 13075 transitions. [2021-06-05 10:09:16,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 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) [2021-06-05 10:09:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3904 states and 13075 transitions. [2021-06-05 10:09:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-06-05 10:09:16,694 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:16,694 INFO L521 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] [2021-06-05 10:09:16,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 10:09:16,695 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:16,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:16,700 INFO L82 PathProgramCache]: Analyzing trace with hash -242345727, now seen corresponding path program 1 times [2021-06-05 10:09:16,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:16,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208390015] [2021-06-05 10:09:16,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:16,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:16,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208390015] [2021-06-05 10:09:16,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208390015] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:16,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:16,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:09:16,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644559304] [2021-06-05 10:09:16,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:09:16,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:16,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:09:16,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:09:16,823 INFO L87 Difference]: Start difference. First operand 3904 states and 13075 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-06-05 10:09:16,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:16,945 INFO L93 Difference]: Finished difference Result 6448 states and 21303 transitions. [2021-06-05 10:09:16,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:09:16,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2021-06-05 10:09:16,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:16,964 INFO L225 Difference]: With dead ends: 6448 [2021-06-05 10:09:16,964 INFO L226 Difference]: Without dead ends: 4336 [2021-06-05 10:09:16,964 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 95.8ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:09:16,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4336 states. [2021-06-05 10:09:17,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4336 to 3616. [2021-06-05 10:09:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3616 states, 3615 states have (on average 3.265006915629322) internal successors, (11803), 3615 states have internal predecessors, (11803), 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) [2021-06-05 10:09:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3616 states and 11803 transitions. [2021-06-05 10:09:17,082 INFO L78 Accepts]: Start accepts. Automaton has 3616 states and 11803 transitions. Word has length 51 [2021-06-05 10:09:17,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:17,082 INFO L482 AbstractCegarLoop]: Abstraction has 3616 states and 11803 transitions. [2021-06-05 10:09:17,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-06-05 10:09:17,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 11803 transitions. [2021-06-05 10:09:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-06-05 10:09:17,088 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:17,088 INFO L521 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] [2021-06-05 10:09:17,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 10:09:17,088 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:17,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:17,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1509932971, now seen corresponding path program 1 times [2021-06-05 10:09:17,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:17,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379927831] [2021-06-05 10:09:17,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:17,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:17,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379927831] [2021-06-05 10:09:17,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379927831] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:17,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:17,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:09:17,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622599367] [2021-06-05 10:09:17,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:09:17,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:17,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:09:17,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:09:17,198 INFO L87 Difference]: Start difference. First operand 3616 states and 11803 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) [2021-06-05 10:09:17,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:17,326 INFO L93 Difference]: Finished difference Result 5036 states and 16299 transitions. [2021-06-05 10:09:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:09:17,327 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 [2021-06-05 10:09:17,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:17,337 INFO L225 Difference]: With dead ends: 5036 [2021-06-05 10:09:17,337 INFO L226 Difference]: Without dead ends: 2756 [2021-06-05 10:09:17,337 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 105.0ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-05 10:09:17,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2021-06-05 10:09:17,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2756. [2021-06-05 10:09:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2755 states have (on average 3.162613430127042) internal successors, (8713), 2755 states have internal predecessors, (8713), 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) [2021-06-05 10:09:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 8713 transitions. [2021-06-05 10:09:17,383 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 8713 transitions. Word has length 52 [2021-06-05 10:09:17,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:17,383 INFO L482 AbstractCegarLoop]: Abstraction has 2756 states and 8713 transitions. [2021-06-05 10:09:17,383 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) [2021-06-05 10:09:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 8713 transitions. [2021-06-05 10:09:17,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 10:09:17,411 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:17,412 INFO L521 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] [2021-06-05 10:09:17,414 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 10:09:17,414 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:17,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:17,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1374435990, now seen corresponding path program 1 times [2021-06-05 10:09:17,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:17,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023463934] [2021-06-05 10:09:17,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:17,475 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:17,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023463934] [2021-06-05 10:09:17,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023463934] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:17,476 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:17,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 10:09:17,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169256114] [2021-06-05 10:09:17,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 10:09:17,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:17,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 10:09:17,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 10:09:17,477 INFO L87 Difference]: Start difference. First operand 2756 states and 8713 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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) [2021-06-05 10:09:17,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:17,577 INFO L93 Difference]: Finished difference Result 3468 states and 10847 transitions. [2021-06-05 10:09:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 10:09:17,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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 [2021-06-05 10:09:17,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:17,590 INFO L225 Difference]: With dead ends: 3468 [2021-06-05 10:09:17,590 INFO L226 Difference]: Without dead ends: 2572 [2021-06-05 10:09:17,590 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 74.7ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:09:17,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2021-06-05 10:09:17,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2572. [2021-06-05 10:09:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2572 states, 2571 states have (on average 3.1221314663555035) internal successors, (8027), 2571 states have internal predecessors, (8027), 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) [2021-06-05 10:09:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2572 states and 8027 transitions. [2021-06-05 10:09:17,637 INFO L78 Accepts]: Start accepts. Automaton has 2572 states and 8027 transitions. Word has length 54 [2021-06-05 10:09:17,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:17,637 INFO L482 AbstractCegarLoop]: Abstraction has 2572 states and 8027 transitions. [2021-06-05 10:09:17,638 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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) [2021-06-05 10:09:17,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 8027 transitions. [2021-06-05 10:09:17,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 10:09:17,642 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:17,642 INFO L521 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] [2021-06-05 10:09:17,642 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 10:09:17,642 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:17,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:17,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1728353214, now seen corresponding path program 1 times [2021-06-05 10:09:17,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:17,643 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082551224] [2021-06-05 10:09:17,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:17,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:17,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082551224] [2021-06-05 10:09:17,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082551224] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:17,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:17,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:09:17,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664828980] [2021-06-05 10:09:17,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:09:17,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:17,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:09:17,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:09:17,738 INFO L87 Difference]: Start difference. First operand 2572 states and 8027 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 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) [2021-06-05 10:09:17,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:17,844 INFO L93 Difference]: Finished difference Result 2776 states and 8466 transitions. [2021-06-05 10:09:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 10:09:17,844 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 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 [2021-06-05 10:09:17,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:17,849 INFO L225 Difference]: With dead ends: 2776 [2021-06-05 10:09:17,849 INFO L226 Difference]: Without dead ends: 2008 [2021-06-05 10:09:17,849 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 80.0ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-05 10:09:17,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2021-06-05 10:09:17,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 2008. [2021-06-05 10:09:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2008 states, 2007 states have (on average 3.0064773293472844) internal successors, (6034), 2007 states have internal predecessors, (6034), 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) [2021-06-05 10:09:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 6034 transitions. [2021-06-05 10:09:17,903 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 6034 transitions. Word has length 55 [2021-06-05 10:09:17,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:17,904 INFO L482 AbstractCegarLoop]: Abstraction has 2008 states and 6034 transitions. [2021-06-05 10:09:17,904 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 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) [2021-06-05 10:09:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 6034 transitions. [2021-06-05 10:09:17,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-06-05 10:09:17,907 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:17,908 INFO L521 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] [2021-06-05 10:09:17,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 10:09:17,908 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:17,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:17,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1012911809, now seen corresponding path program 1 times [2021-06-05 10:09:17,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:17,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932468729] [2021-06-05 10:09:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:17,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:17,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932468729] [2021-06-05 10:09:17,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932468729] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:17,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:17,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 10:09:17,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226490470] [2021-06-05 10:09:17,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 10:09:17,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:17,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 10:09:17,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 10:09:17,993 INFO L87 Difference]: Start difference. First operand 2008 states and 6034 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 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) [2021-06-05 10:09:18,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:18,101 INFO L93 Difference]: Finished difference Result 1765 states and 5170 transitions. [2021-06-05 10:09:18,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 10:09:18,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 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 [2021-06-05 10:09:18,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:18,104 INFO L225 Difference]: With dead ends: 1765 [2021-06-05 10:09:18,104 INFO L226 Difference]: Without dead ends: 848 [2021-06-05 10:09:18,104 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 86.6ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 10:09:18,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-06-05 10:09:18,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2021-06-05 10:09:18,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 847 states have (on average 2.855962219598583) internal successors, (2419), 847 states have internal predecessors, (2419), 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) [2021-06-05 10:09:18,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 2419 transitions. [2021-06-05 10:09:18,116 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 2419 transitions. Word has length 57 [2021-06-05 10:09:18,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:18,116 INFO L482 AbstractCegarLoop]: Abstraction has 848 states and 2419 transitions. [2021-06-05 10:09:18,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 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) [2021-06-05 10:09:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 2419 transitions. [2021-06-05 10:09:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-05 10:09:18,117 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 10:09:18,118 INFO L521 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, 1] [2021-06-05 10:09:18,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 10:09:18,118 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 10:09:18,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 10:09:18,118 INFO L82 PathProgramCache]: Analyzing trace with hash -793960868, now seen corresponding path program 1 times [2021-06-05 10:09:18,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 10:09:18,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447605718] [2021-06-05 10:09:18,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 10:09:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 10:09:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 10:09:18,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 10:09:18,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447605718] [2021-06-05 10:09:18,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447605718] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 10:09:18,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 10:09:18,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 10:09:18,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087442464] [2021-06-05 10:09:18,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 10:09:18,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 10:09:18,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 10:09:18,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 10:09:18,196 INFO L87 Difference]: Start difference. First operand 848 states and 2419 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-06-05 10:09:18,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 10:09:18,242 INFO L93 Difference]: Finished difference Result 794 states and 2257 transitions. [2021-06-05 10:09:18,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 10:09:18,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59 [2021-06-05 10:09:18,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 10:09:18,242 INFO L225 Difference]: With dead ends: 794 [2021-06-05 10:09:18,242 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 10:09:18,243 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 56.4ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 10:09:18,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 10:09:18,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 10:09:18,243 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) [2021-06-05 10:09:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 10:09:18,243 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-06-05 10:09:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 10:09:18,243 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 10:09:18,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-06-05 10:09:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 10:09:18,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 10:09:18,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 10:09:18,245 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 10:09:18,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 10:09:18 BasicIcfg [2021-06-05 10:09:18,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 10:09:18,249 INFO L168 Benchmark]: Toolchain (without parser) took 4023.63 ms. Allocated memory was 354.4 MB in the beginning and 973.1 MB in the end (delta: 618.7 MB). Free memory was 316.7 MB in the beginning and 731.2 MB in the end (delta: -414.5 MB). Peak memory consumption was 204.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:18,249 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 354.4 MB. Free memory is still 334.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 10:09:18,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.11 ms. Allocated memory is still 354.4 MB. Free memory was 316.5 MB in the beginning and 316.0 MB in the end (delta: 588.4 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:18,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.79 ms. Allocated memory is still 354.4 MB. Free memory was 316.0 MB in the beginning and 313.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:18,254 INFO L168 Benchmark]: Boogie Preprocessor took 13.06 ms. Allocated memory is still 354.4 MB. Free memory was 313.9 MB in the beginning and 312.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:18,254 INFO L168 Benchmark]: RCFGBuilder took 292.80 ms. Allocated memory is still 354.4 MB. Free memory was 312.8 MB in the beginning and 286.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:18,255 INFO L168 Benchmark]: TraceAbstraction took 3257.74 ms. Allocated memory was 354.4 MB in the beginning and 973.1 MB in the end (delta: 618.7 MB). Free memory was 286.6 MB in the beginning and 731.2 MB in the end (delta: -444.6 MB). Peak memory consumption was 176.2 MB. Max. memory is 16.0 GB. [2021-06-05 10:09:18,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 354.4 MB. Free memory is still 334.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 418.11 ms. Allocated memory is still 354.4 MB. Free memory was 316.5 MB in the beginning and 316.0 MB in the end (delta: 588.4 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.79 ms. Allocated memory is still 354.4 MB. Free memory was 316.0 MB in the beginning and 313.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.06 ms. Allocated memory is still 354.4 MB. Free memory was 313.9 MB in the beginning and 312.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 292.80 ms. Allocated memory is still 354.4 MB. Free memory was 312.8 MB in the beginning and 286.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3257.74 ms. Allocated memory was 354.4 MB in the beginning and 973.1 MB in the end (delta: 618.7 MB). Free memory was 286.6 MB in the beginning and 731.2 MB in the end (delta: -444.6 MB). Peak memory consumption was 176.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 with 1 thread instances CFG has 7 procedures, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3144.5ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 116.5ms, AutomataDifference: 1176.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 286.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 800 SDtfs, 1151 SDslu, 2566 SDs, 0 SdLazy, 294 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 174.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 689.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8008occurred in iteration=0, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 591.9ms AutomataMinimizationTime, 8 MinimizatonAttempts, 720 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 25.5ms SsaConstructionTime, 141.0ms SatisfiabilityAnalysisTime, 647.7ms InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 418 ConstructedInterpolants, 0 QuantifiedInterpolants, 1150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...