/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 16:49:08,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 16:49:08,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 16:49:08,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 16:49:08,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 16:49:08,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 16:49:08,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 16:49:08,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 16:49:08,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 16:49:08,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 16:49:08,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 16:49:08,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 16:49:08,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 16:49:08,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 16:49:08,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 16:49:08,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 16:49:08,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-09 16:49:08,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 16:49:08,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 16:49:08,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 16:49:08,168 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.epf [2021-07-09 16:49:08,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 16:49:08,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 16:49:08,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 16:49:08,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 16:49:08,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 16:49:08,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 16:49:08,199 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 16:49:08,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 16:49:08,199 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 16:49:08,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 16:49:08,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 16:49:08,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 16:49:08,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 16:49:08,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 16:49:08,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 16:49:08,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 16:49:08,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 16:49:08,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 16:49:08,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 16:49:08,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 16:49:08,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 16:49:08,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 16:49:08,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 16:49:08,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 16:49:08,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 16:49:08,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 16:49:08,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 16:49:08,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 16:49:08,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 16:49:08,214 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 16:49:08,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 16:49:08,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 16:49:08,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 16:49:08,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 16:49:08,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 16:49:08,446 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 16:49:08,446 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 16:49:08,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.oepc.i [2021-07-09 16:49:08,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3848a6f3e/14b8e2264b524dd4addd228294eba04a/FLAG699d634e3 [2021-07-09 16:49:08,906 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 16:49:08,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.oepc.i [2021-07-09 16:49:08,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3848a6f3e/14b8e2264b524dd4addd228294eba04a/FLAG699d634e3 [2021-07-09 16:49:08,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3848a6f3e/14b8e2264b524dd4addd228294eba04a [2021-07-09 16:49:08,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 16:49:08,939 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 16:49:08,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 16:49:08,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 16:49:08,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 16:49:08,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 04:49:08" (1/1) ... [2021-07-09 16:49:08,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128b7b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:08, skipping insertion in model container [2021-07-09 16:49:08,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 04:49:08" (1/1) ... [2021-07-09 16:49:08,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 16:49:08,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 16:49:09,121 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/safe012_tso.oepc.i[950,963] [2021-07-09 16:49:09,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 16:49:09,203 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 16:49:09,210 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/safe012_tso.oepc.i[950,963] [2021-07-09 16:49:09,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 16:49:09,278 INFO L208 MainTranslator]: Completed translation [2021-07-09 16:49:09,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09 WrapperNode [2021-07-09 16:49:09,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 16:49:09,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 16:49:09,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 16:49:09,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 16:49:09,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (1/1) ... [2021-07-09 16:49:09,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (1/1) ... [2021-07-09 16:49:09,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 16:49:09,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 16:49:09,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 16:49:09,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 16:49:09,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (1/1) ... [2021-07-09 16:49:09,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (1/1) ... [2021-07-09 16:49:09,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (1/1) ... [2021-07-09 16:49:09,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (1/1) ... [2021-07-09 16:49:09,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (1/1) ... [2021-07-09 16:49:09,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (1/1) ... [2021-07-09 16:49:09,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (1/1) ... [2021-07-09 16:49:09,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 16:49:09,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 16:49:09,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 16:49:09,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 16:49:09,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (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 [2021-07-09 16:49:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 16:49:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-09 16:49:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 16:49:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 16:49:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-09 16:49:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-09 16:49:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-09 16:49:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-09 16:49:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-09 16:49:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-09 16:49:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 16:49:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-09 16:49:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 16:49:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 16:49:09,399 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 16:49:09,739 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 16:49:09,740 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-09 16:49:09,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 04:49:09 BoogieIcfgContainer [2021-07-09 16:49:09,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 16:49:09,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 16:49:09,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 16:49:09,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 16:49:09,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 04:49:08" (1/3) ... [2021-07-09 16:49:09,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e388049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 04:49:09, skipping insertion in model container [2021-07-09 16:49:09,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 04:49:09" (2/3) ... [2021-07-09 16:49:09,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e388049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 04:49:09, skipping insertion in model container [2021-07-09 16:49:09,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 04:49:09" (3/3) ... [2021-07-09 16:49:09,747 INFO L111 eAbstractionObserver]: Analyzing ICFG safe012_tso.oepc.i [2021-07-09 16:49:09,751 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 16:49:09,751 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 16:49:09,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 16:49:09,752 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 16:49:09,776 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,776 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,776 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,777 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,777 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,777 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,779 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,779 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,780 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,780 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,781 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,781 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,785 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,785 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,785 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,785 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,786 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,786 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,786 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,786 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,788 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,789 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,793 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,793 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,794 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,797 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 16:49:09,800 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-09 16:49:09,815 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-09 16:49:09,826 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 16:49:09,827 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 16:49:09,827 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 16:49:09,827 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 16:49:09,827 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 16:49:09,827 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 16:49:09,827 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 16:49:09,827 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 16:49:09,838 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 85 transitions, 185 flow [2021-07-09 16:49:09,986 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5560 states, 5559 states have (on average 3.4934340708760567) internal successors, (19420), 5559 states have internal predecessors, (19420), 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) [2021-07-09 16:49:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 5560 states, 5559 states have (on average 3.4934340708760567) internal successors, (19420), 5559 states have internal predecessors, (19420), 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) [2021-07-09 16:49:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-07-09 16:49:10,029 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:49:10,030 INFO L508 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] [2021-07-09 16:49:10,030 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:49:10,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:49:10,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1408065288, now seen corresponding path program 1 times [2021-07-09 16:49:10,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:49:10,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89066720] [2021-07-09 16:49:10,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:49:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:49:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:49:10,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:49:10,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89066720] [2021-07-09 16:49:10,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89066720] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:49:10,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:49:10,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:49:10,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868217802] [2021-07-09 16:49:10,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:49:10,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:49:10,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:49:10,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:49:10,451 INFO L87 Difference]: Start difference. First operand has 5560 states, 5559 states have (on average 3.4934340708760567) internal successors, (19420), 5559 states have internal predecessors, (19420), 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) [2021-07-09 16:49:10,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:49:10,704 INFO L93 Difference]: Finished difference Result 6344 states and 21548 transitions. [2021-07-09 16:49:10,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 16:49:10,705 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 [2021-07-09 16:49:10,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:49:10,795 INFO L225 Difference]: With dead ends: 6344 [2021-07-09 16:49:10,795 INFO L226 Difference]: Without dead ends: 4629 [2021-07-09 16:49:10,796 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 153.6ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-07-09 16:49:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2021-07-09 16:49:10,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 4629. [2021-07-09 16:49:10,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4629 states, 4628 states have (on average 3.3854796888504755) internal successors, (15668), 4628 states have internal predecessors, (15668), 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) [2021-07-09 16:49:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4629 states to 4629 states and 15668 transitions. [2021-07-09 16:49:11,010 INFO L78 Accepts]: Start accepts. Automaton has 4629 states and 15668 transitions. Word has length 50 [2021-07-09 16:49:11,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:49:11,013 INFO L482 AbstractCegarLoop]: Abstraction has 4629 states and 15668 transitions. [2021-07-09 16:49:11,014 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) [2021-07-09 16:49:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 4629 states and 15668 transitions. [2021-07-09 16:49:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-07-09 16:49:11,028 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:49:11,028 INFO L508 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] [2021-07-09 16:49:11,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 16:49:11,029 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:49:11,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:49:11,031 INFO L82 PathProgramCache]: Analyzing trace with hash 452026023, now seen corresponding path program 1 times [2021-07-09 16:49:11,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:49:11,032 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339433891] [2021-07-09 16:49:11,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:49:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:49:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:49:11,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:49:11,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339433891] [2021-07-09 16:49:11,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339433891] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:49:11,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:49:11,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:49:11,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537342483] [2021-07-09 16:49:11,182 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:49:11,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:49:11,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:49:11,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:49:11,183 INFO L87 Difference]: Start difference. First operand 4629 states and 15668 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) [2021-07-09 16:49:11,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:49:11,510 INFO L93 Difference]: Finished difference Result 5945 states and 20058 transitions. [2021-07-09 16:49:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 16:49:11,511 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 [2021-07-09 16:49:11,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:49:11,537 INFO L225 Difference]: With dead ends: 5945 [2021-07-09 16:49:11,537 INFO L226 Difference]: Without dead ends: 4825 [2021-07-09 16:49:11,538 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 248.7ms TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-07-09 16:49:11,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2021-07-09 16:49:11,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 4825. [2021-07-09 16:49:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4825 states, 4824 states have (on average 3.3857794361525704) internal successors, (16333), 4824 states have internal predecessors, (16333), 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) [2021-07-09 16:49:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 4825 states and 16333 transitions. [2021-07-09 16:49:11,703 INFO L78 Accepts]: Start accepts. Automaton has 4825 states and 16333 transitions. Word has length 52 [2021-07-09 16:49:11,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:49:11,704 INFO L482 AbstractCegarLoop]: Abstraction has 4825 states and 16333 transitions. [2021-07-09 16:49:11,704 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) [2021-07-09 16:49:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 16333 transitions. [2021-07-09 16:49:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-07-09 16:49:11,714 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:49:11,714 INFO L508 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] [2021-07-09 16:49:11,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 16:49:11,715 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:49:11,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:49:11,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1841101257, now seen corresponding path program 1 times [2021-07-09 16:49:11,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:49:11,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404456349] [2021-07-09 16:49:11,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:49:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:49:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:49:11,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:49:11,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404456349] [2021-07-09 16:49:11,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404456349] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:49:11,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:49:11,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:49:11,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512346962] [2021-07-09 16:49:11,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:49:11,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:49:11,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:49:11,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:49:11,816 INFO L87 Difference]: Start difference. First operand 4825 states and 16333 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2021-07-09 16:49:11,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:49:11,941 INFO L93 Difference]: Finished difference Result 6323 states and 21257 transitions. [2021-07-09 16:49:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 16:49:11,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 53 [2021-07-09 16:49:11,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:49:11,957 INFO L225 Difference]: With dead ends: 6323 [2021-07-09 16:49:11,957 INFO L226 Difference]: Without dead ends: 2879 [2021-07-09 16:49:11,957 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 84.1ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-07-09 16:49:11,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2021-07-09 16:49:12,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2879. [2021-07-09 16:49:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2878 states have (on average 3.286657400972898) internal successors, (9459), 2878 states have internal predecessors, (9459), 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) [2021-07-09 16:49:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 9459 transitions. [2021-07-09 16:49:12,073 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 9459 transitions. Word has length 53 [2021-07-09 16:49:12,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:49:12,074 INFO L482 AbstractCegarLoop]: Abstraction has 2879 states and 9459 transitions. [2021-07-09 16:49:12,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2021-07-09 16:49:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 9459 transitions. [2021-07-09 16:49:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-07-09 16:49:12,079 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:49:12,079 INFO L508 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] [2021-07-09 16:49:12,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 16:49:12,079 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:49:12,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:49:12,080 INFO L82 PathProgramCache]: Analyzing trace with hash 108256550, now seen corresponding path program 1 times [2021-07-09 16:49:12,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:49:12,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904173305] [2021-07-09 16:49:12,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:49:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:49:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:49:12,179 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:49:12,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904173305] [2021-07-09 16:49:12,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904173305] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:49:12,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:49:12,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:49:12,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380351874] [2021-07-09 16:49:12,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:49:12,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:49:12,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:49:12,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:49:12,183 INFO L87 Difference]: Start difference. First operand 2879 states and 9459 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) [2021-07-09 16:49:12,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:49:12,297 INFO L93 Difference]: Finished difference Result 4039 states and 13185 transitions. [2021-07-09 16:49:12,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 16:49:12,298 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 [2021-07-09 16:49:12,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:49:12,317 INFO L225 Difference]: With dead ends: 4039 [2021-07-09 16:49:12,318 INFO L226 Difference]: Without dead ends: 1799 [2021-07-09 16:49:12,318 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 101.7ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-07-09 16:49:12,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2021-07-09 16:49:12,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1799. [2021-07-09 16:49:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1798 states have (on average 3.131813125695217) internal successors, (5631), 1798 states have internal predecessors, (5631), 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) [2021-07-09 16:49:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 5631 transitions. [2021-07-09 16:49:12,349 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 5631 transitions. Word has length 55 [2021-07-09 16:49:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:49:12,350 INFO L482 AbstractCegarLoop]: Abstraction has 1799 states and 5631 transitions. [2021-07-09 16:49:12,350 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) [2021-07-09 16:49:12,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 5631 transitions. [2021-07-09 16:49:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-07-09 16:49:12,353 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:49:12,354 INFO L508 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] [2021-07-09 16:49:12,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 16:49:12,355 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:49:12,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:49:12,355 INFO L82 PathProgramCache]: Analyzing trace with hash 2083636199, now seen corresponding path program 1 times [2021-07-09 16:49:12,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:49:12,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839250639] [2021-07-09 16:49:12,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:49:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:49:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:49:12,424 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:49:12,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839250639] [2021-07-09 16:49:12,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839250639] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:49:12,425 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:49:12,425 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 16:49:12,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045843355] [2021-07-09 16:49:12,426 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 16:49:12,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:49:12,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 16:49:12,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 16:49:12,427 INFO L87 Difference]: Start difference. First operand 1799 states and 5631 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2021-07-09 16:49:12,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:49:12,535 INFO L93 Difference]: Finished difference Result 2269 states and 7052 transitions. [2021-07-09 16:49:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 16:49:12,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 [2021-07-09 16:49:12,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:49:12,540 INFO L225 Difference]: With dead ends: 2269 [2021-07-09 16:49:12,540 INFO L226 Difference]: Without dead ends: 1677 [2021-07-09 16:49:12,540 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 74.3ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 16:49:12,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2021-07-09 16:49:12,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1677. [2021-07-09 16:49:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 1676 states have (on average 3.113365155131265) internal successors, (5218), 1676 states have internal predecessors, (5218), 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) [2021-07-09 16:49:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 5218 transitions. [2021-07-09 16:49:12,568 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 5218 transitions. Word has length 58 [2021-07-09 16:49:12,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:49:12,569 INFO L482 AbstractCegarLoop]: Abstraction has 1677 states and 5218 transitions. [2021-07-09 16:49:12,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2021-07-09 16:49:12,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 5218 transitions. [2021-07-09 16:49:12,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-07-09 16:49:12,571 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:49:12,572 INFO L508 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] [2021-07-09 16:49:12,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 16:49:12,572 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:49:12,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:49:12,572 INFO L82 PathProgramCache]: Analyzing trace with hash 439804712, now seen corresponding path program 1 times [2021-07-09 16:49:12,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:49:12,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36380002] [2021-07-09 16:49:12,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:49:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:49:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:49:12,628 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:49:12,628 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36380002] [2021-07-09 16:49:12,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36380002] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:49:12,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:49:12,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:49:12,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337416769] [2021-07-09 16:49:12,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:49:12,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:49:12,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:49:12,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:49:12,629 INFO L87 Difference]: Start difference. First operand 1677 states and 5218 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) [2021-07-09 16:49:12,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:49:12,736 INFO L93 Difference]: Finished difference Result 1866 states and 5695 transitions. [2021-07-09 16:49:12,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 16:49:12,739 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 [2021-07-09 16:49:12,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:49:12,743 INFO L225 Difference]: With dead ends: 1866 [2021-07-09 16:49:12,743 INFO L226 Difference]: Without dead ends: 1362 [2021-07-09 16:49:12,743 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 74.9ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-07-09 16:49:12,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2021-07-09 16:49:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2021-07-09 16:49:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1361 states have (on average 3.0183688464364438) internal successors, (4108), 1361 states have internal predecessors, (4108), 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) [2021-07-09 16:49:12,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 4108 transitions. [2021-07-09 16:49:12,765 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 4108 transitions. Word has length 59 [2021-07-09 16:49:12,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:49:12,765 INFO L482 AbstractCegarLoop]: Abstraction has 1362 states and 4108 transitions. [2021-07-09 16:49:12,765 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) [2021-07-09 16:49:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 4108 transitions. [2021-07-09 16:49:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-07-09 16:49:12,767 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:49:12,767 INFO L508 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, 1] [2021-07-09 16:49:12,767 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-09 16:49:12,767 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:49:12,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:49:12,768 INFO L82 PathProgramCache]: Analyzing trace with hash 592427241, now seen corresponding path program 1 times [2021-07-09 16:49:12,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:49:12,768 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221437756] [2021-07-09 16:49:12,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:49:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:49:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:49:12,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:49:12,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221437756] [2021-07-09 16:49:12,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221437756] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:49:12,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:49:12,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-09 16:49:12,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486911101] [2021-07-09 16:49:12,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 16:49:12,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:49:12,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 16:49:12,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 16:49:12,830 INFO L87 Difference]: Start difference. First operand 1362 states and 4108 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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) [2021-07-09 16:49:12,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:49:12,956 INFO L93 Difference]: Finished difference Result 1200 states and 3505 transitions. [2021-07-09 16:49:12,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 16:49:12,957 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 60 [2021-07-09 16:49:12,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:49:12,959 INFO L225 Difference]: With dead ends: 1200 [2021-07-09 16:49:12,959 INFO L226 Difference]: Without dead ends: 876 [2021-07-09 16:49:12,959 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 107.6ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-09 16:49:12,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2021-07-09 16:49:12,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2021-07-09 16:49:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 875 states have (on average 2.8434285714285714) internal successors, (2488), 875 states have internal predecessors, (2488), 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) [2021-07-09 16:49:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 2488 transitions. [2021-07-09 16:49:12,975 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 2488 transitions. Word has length 60 [2021-07-09 16:49:12,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:49:12,975 INFO L482 AbstractCegarLoop]: Abstraction has 876 states and 2488 transitions. [2021-07-09 16:49:12,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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) [2021-07-09 16:49:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 2488 transitions. [2021-07-09 16:49:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-07-09 16:49:12,977 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 16:49:12,977 INFO L508 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, 1, 1, 1] [2021-07-09 16:49:12,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 16:49:12,977 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 16:49:12,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 16:49:12,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1769529258, now seen corresponding path program 1 times [2021-07-09 16:49:12,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 16:49:12,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69933809] [2021-07-09 16:49:12,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 16:49:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 16:49:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 16:49:13,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 16:49:13,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69933809] [2021-07-09 16:49:13,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69933809] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 16:49:13,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 16:49:13,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 16:49:13,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602961449] [2021-07-09 16:49:13,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 16:49:13,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 16:49:13,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 16:49:13,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-09 16:49:13,039 INFO L87 Difference]: Start difference. First operand 876 states and 2488 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-07-09 16:49:13,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 16:49:13,090 INFO L93 Difference]: Finished difference Result 822 states and 2326 transitions. [2021-07-09 16:49:13,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 16:49:13,091 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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 62 [2021-07-09 16:49:13,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 16:49:13,091 INFO L225 Difference]: With dead ends: 822 [2021-07-09 16:49:13,091 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 16:49:13,091 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 65.9ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-07-09 16:49:13,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 16:49:13,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 16:49:13,092 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) [2021-07-09 16:49:13,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 16:49:13,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2021-07-09 16:49:13,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 16:49:13,092 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 16:49:13,092 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-07-09 16:49:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 16:49:13,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 16:49:13,093 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-09 16:49:13,095 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 16:49:13,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 04:49:13 BasicIcfg [2021-07-09 16:49:13,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 16:49:13,097 INFO L168 Benchmark]: Toolchain (without parser) took 4158.39 ms. Allocated memory was 199.2 MB in the beginning and 798.0 MB in the end (delta: 598.7 MB). Free memory was 162.7 MB in the beginning and 636.8 MB in the end (delta: -474.1 MB). Peak memory consumption was 125.4 MB. Max. memory is 8.0 GB. [2021-07-09 16:49:13,097 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 199.2 MB. Free memory is still 180.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 16:49:13,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.73 ms. Allocated memory is still 199.2 MB. Free memory was 162.5 MB in the beginning and 172.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-09 16:49:13,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.43 ms. Allocated memory is still 199.2 MB. Free memory was 172.3 MB in the beginning and 170.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 16:49:13,098 INFO L168 Benchmark]: Boogie Preprocessor took 14.49 ms. Allocated memory is still 199.2 MB. Free memory was 170.6 MB in the beginning and 169.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 16:49:13,098 INFO L168 Benchmark]: RCFGBuilder took 402.62 ms. Allocated memory is still 199.2 MB. Free memory was 169.2 MB in the beginning and 145.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-09 16:49:13,098 INFO L168 Benchmark]: TraceAbstraction took 3353.08 ms. Allocated memory was 199.2 MB in the beginning and 798.0 MB in the end (delta: 598.7 MB). Free memory was 145.1 MB in the beginning and 636.8 MB in the end (delta: -491.7 MB). Peak memory consumption was 108.3 MB. Max. memory is 8.0 GB. [2021-07-09 16:49:13,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 199.2 MB. Free memory is still 180.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 339.73 ms. Allocated memory is still 199.2 MB. Free memory was 162.5 MB in the beginning and 172.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.43 ms. Allocated memory is still 199.2 MB. Free memory was 172.3 MB in the beginning and 170.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.49 ms. Allocated memory is still 199.2 MB. Free memory was 170.6 MB in the beginning and 169.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 402.62 ms. Allocated memory is still 199.2 MB. Free memory was 169.2 MB in the beginning and 145.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3353.08 ms. Allocated memory was 199.2 MB in the beginning and 798.0 MB in the end (delta: 598.7 MB). Free memory was 145.1 MB in the beginning and 636.8 MB in the end (delta: -491.7 MB). Peak memory consumption was 108.3 MB. Max. memory is 8.0 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 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: 3268.4ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 81.3ms, AutomataDifference: 1422.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 159.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 820 SDtfs, 1277 SDslu, 2647 SDs, 0 SdLazy, 300 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 188.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 911.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5560occurred in iteration=0, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 581.7ms AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.0ms SsaConstructionTime, 155.9ms SatisfiabilityAnalysisTime, 660.8ms InterpolantComputationTime, 449 NumberOfCodeBlocks, 449 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 1817 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...