/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-05 19:54:38,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 19:54:38,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 19:54:38,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 19:54:38,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 19:54:38,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 19:54:38,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 19:54:38,848 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 [2021-06-05 19:54:38,884 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 19:54:38,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 19:54:38,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 19:54:38,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 19:54:38,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 19:54:38,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 19:54:38,887 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 19:54:38,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 19:54:38,888 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 19:54:38,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 19:54:38,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 19:54:38,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 19:54:38,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 19:54:38,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 19:54:38,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 19:54:38,889 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 19:54:38,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 19:54:38,889 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 19:54:38,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 19:54:38,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 19:54:38,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 19:54:38,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 19:54:38,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 19:54:38,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 19:54:38,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 19:54:38,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 19:54:38,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 19:54:38,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 19:54:38,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 19:54:38,891 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 19:54:38,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 19:54:38,891 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 19:54:39,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 19:54:39,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 19:54:39,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 19:54:39,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 19:54:39,246 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 19:54:39,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2021-06-05 19:54:39,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffdd50d2/79de3fdcd1f7422caa400508803f7d6e/FLAG3b0da2ede [2021-06-05 19:54:39,791 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 19:54:39,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2021-06-05 19:54:39,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffdd50d2/79de3fdcd1f7422caa400508803f7d6e/FLAG3b0da2ede [2021-06-05 19:54:40,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffdd50d2/79de3fdcd1f7422caa400508803f7d6e [2021-06-05 19:54:40,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 19:54:40,331 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 19:54:40,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 19:54:40,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 19:54:40,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 19:54:40,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0b4ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40, skipping insertion in model container [2021-06-05 19:54:40,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 19:54:40,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 19:54:40,539 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/safe019_tso.oepc.i[950,963] [2021-06-05 19:54:40,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 19:54:40,761 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 19:54:40,771 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/safe019_tso.oepc.i[950,963] [2021-06-05 19:54:40,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 19:54:40,884 INFO L208 MainTranslator]: Completed translation [2021-06-05 19:54:40,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40 WrapperNode [2021-06-05 19:54:40,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 19:54:40,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 19:54:40,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 19:54:40,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 19:54:40,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 19:54:40,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 19:54:40,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 19:54:40,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 19:54:40,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (1/1) ... [2021-06-05 19:54:40,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 19:54:40,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 19:54:40,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 19:54:40,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 19:54:40,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (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 19:54:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 19:54:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 19:54:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 19:54:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 19:54:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-05 19:54:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-05 19:54:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-05 19:54:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-05 19:54:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-05 19:54:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-05 19:54:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-05 19:54:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-05 19:54:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 19:54:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 19:54:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 19:54:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 19:54:41,084 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 19:54:41,654 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 19:54:41,654 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-05 19:54:41,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 07:54:41 BoogieIcfgContainer [2021-06-05 19:54:41,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 19:54:41,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 19:54:41,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 19:54:41,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 19:54:41,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 07:54:40" (1/3) ... [2021-06-05 19:54:41,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f88a4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 07:54:41, skipping insertion in model container [2021-06-05 19:54:41,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 07:54:40" (2/3) ... [2021-06-05 19:54:41,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f88a4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 07:54:41, skipping insertion in model container [2021-06-05 19:54:41,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 07:54:41" (3/3) ... [2021-06-05 19:54:41,662 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2021-06-05 19:54:41,671 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 19:54:41,671 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 19:54:41,671 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 19:54:41,672 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 19:54:41,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,713 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,714 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,714 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,714 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,714 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,714 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,714 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,716 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,716 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,716 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,716 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,716 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,719 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,719 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,720 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,720 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,721 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,722 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,722 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,722 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,728 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,728 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,728 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,733 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,733 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,735 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,735 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,739 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,740 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 19:54:41,742 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 19:54:41,757 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-05 19:54:41,771 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 19:54:41,772 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 19:54:41,772 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 19:54:41,772 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 19:54:41,772 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 19:54:41,772 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 19:54:41,772 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 19:54:41,772 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 19:54:41,781 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 98 transitions, 216 flow [2021-06-05 19:54:47,085 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 51815 states, 51813 states have (on average 4.368652654739158) internal successors, (226353), 51814 states have internal predecessors, (226353), 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 19:54:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 51815 states, 51813 states have (on average 4.368652654739158) internal successors, (226353), 51814 states have internal predecessors, (226353), 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 19:54:47,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-06-05 19:54:47,275 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:54:47,276 INFO L554 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] [2021-06-05 19:54:47,276 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:54:47,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:54:47,284 INFO L82 PathProgramCache]: Analyzing trace with hash -352002722, now seen corresponding path program 1 times [2021-06-05 19:54:47,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:54:47,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690341675] [2021-06-05 19:54:47,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:54:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:54:47,861 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 19:54:47,862 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:54:47,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690341675] [2021-06-05 19:54:47,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690341675] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:54:47,863 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:54:47,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 19:54:47,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243534594] [2021-06-05 19:54:47,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 19:54:47,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:54:47,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 19:54:47,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 19:54:47,956 INFO L87 Difference]: Start difference. First operand has 51815 states, 51813 states have (on average 4.368652654739158) internal successors, (226353), 51814 states have internal predecessors, (226353), 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 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 19:54:49,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:54:49,518 INFO L93 Difference]: Finished difference Result 101003 states and 428395 transitions. [2021-06-05 19:54:49,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 19:54:49,519 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 56 [2021-06-05 19:54:49,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:54:49,958 INFO L225 Difference]: With dead ends: 101003 [2021-06-05 19:54:49,959 INFO L226 Difference]: Without dead ends: 31943 [2021-06-05 19:54:49,960 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 224.1ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-05 19:54:50,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31943 states. [2021-06-05 19:54:51,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31943 to 27623. [2021-06-05 19:54:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27623 states, 27622 states have (on average 4.142893345883716) internal successors, (114435), 27622 states have internal predecessors, (114435), 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 19:54:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27623 states to 27623 states and 114435 transitions. [2021-06-05 19:54:51,538 INFO L78 Accepts]: Start accepts. Automaton has 27623 states and 114435 transitions. Word has length 56 [2021-06-05 19:54:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:54:51,540 INFO L482 AbstractCegarLoop]: Abstraction has 27623 states and 114435 transitions. [2021-06-05 19:54:51,540 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 19:54:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 27623 states and 114435 transitions. [2021-06-05 19:54:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-06-05 19:54:51,593 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:54:51,594 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:54:51,594 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 19:54:51,594 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:54:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:54:51,595 INFO L82 PathProgramCache]: Analyzing trace with hash -60288259, now seen corresponding path program 1 times [2021-06-05 19:54:51,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:54:51,595 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490030065] [2021-06-05 19:54:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:54:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:54:51,822 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 19:54:51,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:54:51,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490030065] [2021-06-05 19:54:51,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490030065] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:54:51,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:54:51,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 19:54:51,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986357231] [2021-06-05 19:54:51,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 19:54:51,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:54:51,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 19:54:51,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 19:54:51,827 INFO L87 Difference]: Start difference. First operand 27623 states and 114435 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:54:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:54:52,585 INFO L93 Difference]: Finished difference Result 38687 states and 158623 transitions. [2021-06-05 19:54:52,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 19:54:52,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-06-05 19:54:52,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:54:52,731 INFO L225 Difference]: With dead ends: 38687 [2021-06-05 19:54:52,732 INFO L226 Difference]: Without dead ends: 30959 [2021-06-05 19:54:52,732 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 201.3ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-05 19:54:52,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30959 states. [2021-06-05 19:54:53,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30959 to 26543. [2021-06-05 19:54:53,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26543 states, 26542 states have (on average 4.122937231557532) internal successors, (109431), 26542 states have internal predecessors, (109431), 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 19:54:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26543 states to 26543 states and 109431 transitions. [2021-06-05 19:54:53,781 INFO L78 Accepts]: Start accepts. Automaton has 26543 states and 109431 transitions. Word has length 58 [2021-06-05 19:54:53,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:54:53,781 INFO L482 AbstractCegarLoop]: Abstraction has 26543 states and 109431 transitions. [2021-06-05 19:54:53,781 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 19:54:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 26543 states and 109431 transitions. [2021-06-05 19:54:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-05 19:54:54,054 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:54:54,054 INFO L554 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] [2021-06-05 19:54:54,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 19:54:54,054 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:54:54,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:54:54,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1106030268, now seen corresponding path program 1 times [2021-06-05 19:54:54,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:54:54,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086286523] [2021-06-05 19:54:54,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:54:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:54:54,259 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 19:54:54,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:54:54,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086286523] [2021-06-05 19:54:54,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086286523] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:54:54,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:54:54,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 19:54:54,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262637998] [2021-06-05 19:54:54,261 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 19:54:54,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:54:54,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 19:54:54,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 19:54:54,267 INFO L87 Difference]: Start difference. First operand 26543 states and 109431 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 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) [2021-06-05 19:54:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:54:54,719 INFO L93 Difference]: Finished difference Result 34415 states and 140543 transitions. [2021-06-05 19:54:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-05 19:54:54,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 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 [2021-06-05 19:54:54,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:54:54,897 INFO L225 Difference]: With dead ends: 34415 [2021-06-05 19:54:54,897 INFO L226 Difference]: Without dead ends: 29519 [2021-06-05 19:54:54,898 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 199.3ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-05 19:54:55,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29519 states. [2021-06-05 19:54:55,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29519 to 25103. [2021-06-05 19:54:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25103 states, 25102 states have (on average 4.10799936260059) internal successors, (103119), 25102 states have internal predecessors, (103119), 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 19:54:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25103 states to 25103 states and 103119 transitions. [2021-06-05 19:54:55,920 INFO L78 Accepts]: Start accepts. Automaton has 25103 states and 103119 transitions. Word has length 60 [2021-06-05 19:54:55,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:54:55,921 INFO L482 AbstractCegarLoop]: Abstraction has 25103 states and 103119 transitions. [2021-06-05 19:54:55,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 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) [2021-06-05 19:54:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 25103 states and 103119 transitions. [2021-06-05 19:54:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-05 19:54:55,959 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:54:55,959 INFO L554 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] [2021-06-05 19:54:55,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 19:54:55,959 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:54:55,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:54:55,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1686656635, now seen corresponding path program 1 times [2021-06-05 19:54:55,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:54:55,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55488325] [2021-06-05 19:54:55,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:54:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:54:56,058 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 19:54:56,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:54:56,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55488325] [2021-06-05 19:54:56,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55488325] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:54:56,059 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:54:56,059 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 19:54:56,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497194447] [2021-06-05 19:54:56,063 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 19:54:56,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:54:56,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 19:54:56,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 19:54:56,064 INFO L87 Difference]: Start difference. First operand 25103 states and 103119 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 19:54:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:54:56,635 INFO L93 Difference]: Finished difference Result 36719 states and 149687 transitions. [2021-06-05 19:54:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 19:54:56,635 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-06-05 19:54:56,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:54:56,783 INFO L225 Difference]: With dead ends: 36719 [2021-06-05 19:54:56,783 INFO L226 Difference]: Without dead ends: 25775 [2021-06-05 19:54:56,783 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 97.7ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-05 19:54:56,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25775 states. [2021-06-05 19:54:57,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25775 to 20135. [2021-06-05 19:54:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20135 states, 20134 states have (on average 4.0717691467169965) internal successors, (81981), 20134 states have internal predecessors, (81981), 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 19:54:57,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20135 states to 20135 states and 81981 transitions. [2021-06-05 19:54:57,283 INFO L78 Accepts]: Start accepts. Automaton has 20135 states and 81981 transitions. Word has length 61 [2021-06-05 19:54:57,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:54:57,283 INFO L482 AbstractCegarLoop]: Abstraction has 20135 states and 81981 transitions. [2021-06-05 19:54:57,283 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 19:54:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 20135 states and 81981 transitions. [2021-06-05 19:54:57,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-06-05 19:54:57,317 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:54:57,317 INFO L554 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] [2021-06-05 19:54:57,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 19:54:57,317 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:54:57,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:54:57,317 INFO L82 PathProgramCache]: Analyzing trace with hash -874205603, now seen corresponding path program 1 times [2021-06-05 19:54:57,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:54:57,318 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186784798] [2021-06-05 19:54:57,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:54:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:54:57,724 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 19:54:57,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:54:57,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186784798] [2021-06-05 19:54:57,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186784798] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:54:57,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:54:57,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 19:54:57,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417504245] [2021-06-05 19:54:57,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 19:54:57,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:54:57,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 19:54:57,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-05 19:54:57,727 INFO L87 Difference]: Start difference. First operand 20135 states and 81981 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 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) [2021-06-05 19:54:58,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:54:58,006 INFO L93 Difference]: Finished difference Result 34895 states and 141159 transitions. [2021-06-05 19:54:58,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 19:54:58,006 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 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 [2021-06-05 19:54:58,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:54:58,065 INFO L225 Difference]: With dead ends: 34895 [2021-06-05 19:54:58,065 INFO L226 Difference]: Without dead ends: 20700 [2021-06-05 19:54:58,065 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 88.5ms TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-06-05 19:54:58,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20700 states. [2021-06-05 19:54:58,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20700 to 17820. [2021-06-05 19:54:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17820 states, 17819 states have (on average 4.047421291879455) internal successors, (72121), 17819 states have internal predecessors, (72121), 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 19:54:58,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17820 states to 17820 states and 72121 transitions. [2021-06-05 19:54:58,767 INFO L78 Accepts]: Start accepts. Automaton has 17820 states and 72121 transitions. Word has length 62 [2021-06-05 19:54:58,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:54:58,768 INFO L482 AbstractCegarLoop]: Abstraction has 17820 states and 72121 transitions. [2021-06-05 19:54:58,768 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 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) [2021-06-05 19:54:58,768 INFO L276 IsEmpty]: Start isEmpty. Operand 17820 states and 72121 transitions. [2021-06-05 19:54:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-06-05 19:54:58,797 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:54:58,797 INFO L554 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] [2021-06-05 19:54:58,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 19:54:58,797 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:54:58,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:54:58,798 INFO L82 PathProgramCache]: Analyzing trace with hash 936218699, now seen corresponding path program 2 times [2021-06-05 19:54:58,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:54:58,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325574424] [2021-06-05 19:54:58,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:54:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:54:58,921 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 19:54:58,921 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:54:58,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325574424] [2021-06-05 19:54:58,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325574424] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:54:58,922 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:54:58,922 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 19:54:58,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211884182] [2021-06-05 19:54:58,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 19:54:58,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:54:58,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 19:54:58,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 19:54:58,925 INFO L87 Difference]: Start difference. First operand 17820 states and 72121 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) [2021-06-05 19:54:59,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:54:59,218 INFO L93 Difference]: Finished difference Result 26260 states and 105035 transitions. [2021-06-05 19:54:59,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 19:54:59,218 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 [2021-06-05 19:54:59,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:54:59,255 INFO L225 Difference]: With dead ends: 26260 [2021-06-05 19:54:59,255 INFO L226 Difference]: Without dead ends: 13000 [2021-06-05 19:54:59,255 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 116.1ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-05 19:54:59,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13000 states. [2021-06-05 19:54:59,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13000 to 13000. [2021-06-05 19:54:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13000 states, 12999 states have (on average 3.95484268020617) internal successors, (51409), 12999 states have internal predecessors, (51409), 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 19:54:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13000 states to 13000 states and 51409 transitions. [2021-06-05 19:54:59,593 INFO L78 Accepts]: Start accepts. Automaton has 13000 states and 51409 transitions. Word has length 62 [2021-06-05 19:54:59,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:54:59,594 INFO L482 AbstractCegarLoop]: Abstraction has 13000 states and 51409 transitions. [2021-06-05 19:54:59,594 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) [2021-06-05 19:54:59,594 INFO L276 IsEmpty]: Start isEmpty. Operand 13000 states and 51409 transitions. [2021-06-05 19:54:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-06-05 19:54:59,613 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:54:59,613 INFO L554 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, 1, 1] [2021-06-05 19:54:59,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 19:54:59,613 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:54:59,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:54:59,614 INFO L82 PathProgramCache]: Analyzing trace with hash -583689558, now seen corresponding path program 1 times [2021-06-05 19:54:59,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:54:59,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710095576] [2021-06-05 19:54:59,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:54:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:54:59,706 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 19:54:59,706 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:54:59,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710095576] [2021-06-05 19:54:59,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710095576] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:54:59,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:54:59,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 19:54:59,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689542329] [2021-06-05 19:54:59,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 19:54:59,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:54:59,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 19:54:59,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 19:54:59,708 INFO L87 Difference]: Start difference. First operand 13000 states and 51409 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 19:55:00,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:55:00,035 INFO L93 Difference]: Finished difference Result 17372 states and 68227 transitions. [2021-06-05 19:55:00,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 19:55:00,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 64 [2021-06-05 19:55:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:55:00,076 INFO L225 Difference]: With dead ends: 17372 [2021-06-05 19:55:00,076 INFO L226 Difference]: Without dead ends: 12636 [2021-06-05 19:55:00,077 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 86.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-05 19:55:00,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12636 states. [2021-06-05 19:55:00,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12636 to 12636. [2021-06-05 19:55:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12636 states, 12635 states have (on average 3.9381875741986545) internal successors, (49759), 12635 states have internal predecessors, (49759), 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 19:55:00,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12636 states to 12636 states and 49759 transitions. [2021-06-05 19:55:00,406 INFO L78 Accepts]: Start accepts. Automaton has 12636 states and 49759 transitions. Word has length 64 [2021-06-05 19:55:00,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:55:00,406 INFO L482 AbstractCegarLoop]: Abstraction has 12636 states and 49759 transitions. [2021-06-05 19:55:00,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 19:55:00,406 INFO L276 IsEmpty]: Start isEmpty. Operand 12636 states and 49759 transitions. [2021-06-05 19:55:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-06-05 19:55:00,428 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:55:00,428 INFO L554 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, 1, 1, 1] [2021-06-05 19:55:00,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 19:55:00,428 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:55:00,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:55:00,429 INFO L82 PathProgramCache]: Analyzing trace with hash 613569449, now seen corresponding path program 1 times [2021-06-05 19:55:00,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:55:00,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774051050] [2021-06-05 19:55:00,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:55:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:55:00,544 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 19:55:00,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:55:00,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774051050] [2021-06-05 19:55:00,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774051050] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:55:00,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:55:00,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 19:55:00,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176121923] [2021-06-05 19:55:00,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 19:55:00,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:55:00,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 19:55:00,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 19:55:00,546 INFO L87 Difference]: Start difference. First operand 12636 states and 49759 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 19:55:00,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:55:00,750 INFO L93 Difference]: Finished difference Result 15534 states and 60340 transitions. [2021-06-05 19:55:00,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 19:55:00,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 65 [2021-06-05 19:55:00,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:55:00,781 INFO L225 Difference]: With dead ends: 15534 [2021-06-05 19:55:00,782 INFO L226 Difference]: Without dead ends: 11070 [2021-06-05 19:55:00,782 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 98.5ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-05 19:55:00,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11070 states. [2021-06-05 19:55:01,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11070 to 11070. [2021-06-05 19:55:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11070 states, 11069 states have (on average 3.8690035233535096) internal successors, (42826), 11069 states have internal predecessors, (42826), 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 19:55:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11070 states to 11070 states and 42826 transitions. [2021-06-05 19:55:01,139 INFO L78 Accepts]: Start accepts. Automaton has 11070 states and 42826 transitions. Word has length 65 [2021-06-05 19:55:01,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:55:01,140 INFO L482 AbstractCegarLoop]: Abstraction has 11070 states and 42826 transitions. [2021-06-05 19:55:01,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 19:55:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 11070 states and 42826 transitions. [2021-06-05 19:55:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-06-05 19:55:01,155 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:55:01,155 INFO L554 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, 1, 1, 1, 1] [2021-06-05 19:55:01,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 19:55:01,155 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:55:01,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:55:01,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1241656395, now seen corresponding path program 1 times [2021-06-05 19:55:01,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:55:01,156 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778433625] [2021-06-05 19:55:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:55:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:55:01,231 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 19:55:01,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:55:01,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778433625] [2021-06-05 19:55:01,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778433625] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:55:01,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:55:01,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-05 19:55:01,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845329847] [2021-06-05 19:55:01,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-05 19:55:01,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:55:01,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-05 19:55:01,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-05 19:55:01,233 INFO L87 Difference]: Start difference. First operand 11070 states and 42826 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 19:55:01,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:55:01,436 INFO L93 Difference]: Finished difference Result 11547 states and 43804 transitions. [2021-06-05 19:55:01,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-05 19:55:01,437 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 66 [2021-06-05 19:55:01,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:55:01,459 INFO L225 Difference]: With dead ends: 11547 [2021-06-05 19:55:01,459 INFO L226 Difference]: Without dead ends: 8163 [2021-06-05 19:55:01,459 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 113.3ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-05 19:55:01,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8163 states. [2021-06-05 19:55:01,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8163 to 8163. [2021-06-05 19:55:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8163 states, 8162 states have (on average 3.747733398676795) internal successors, (30589), 8162 states have internal predecessors, (30589), 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 19:55:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 30589 transitions. [2021-06-05 19:55:01,638 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 30589 transitions. Word has length 66 [2021-06-05 19:55:01,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:55:01,639 INFO L482 AbstractCegarLoop]: Abstraction has 8163 states and 30589 transitions. [2021-06-05 19:55:01,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 19:55:01,639 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 30589 transitions. [2021-06-05 19:55:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 19:55:01,650 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:55:01,650 INFO L554 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, 1, 1, 1, 1, 1, 1] [2021-06-05 19:55:01,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 19:55:01,650 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:55:01,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:55:01,651 INFO L82 PathProgramCache]: Analyzing trace with hash 652073940, now seen corresponding path program 1 times [2021-06-05 19:55:01,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:55:01,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168857521] [2021-06-05 19:55:01,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:55:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:55:01,749 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 19:55:01,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:55:01,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168857521] [2021-06-05 19:55:01,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168857521] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:55:01,749 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:55:01,749 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-05 19:55:01,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219195276] [2021-06-05 19:55:01,750 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 19:55:01,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:55:01,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 19:55:01,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-05 19:55:01,750 INFO L87 Difference]: Start difference. First operand 8163 states and 30589 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 19:55:01,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:55:01,962 INFO L93 Difference]: Finished difference Result 7191 states and 26539 transitions. [2021-06-05 19:55:01,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-05 19:55:01,962 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 68 [2021-06-05 19:55:01,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:55:01,972 INFO L225 Difference]: With dead ends: 7191 [2021-06-05 19:55:01,972 INFO L226 Difference]: Without dead ends: 4227 [2021-06-05 19:55:01,972 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 148.0ms TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-06-05 19:55:01,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2021-06-05 19:55:02,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 4227. [2021-06-05 19:55:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4227 states, 4226 states have (on average 3.6138192143871275) internal successors, (15272), 4226 states have internal predecessors, (15272), 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 19:55:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 4227 states and 15272 transitions. [2021-06-05 19:55:02,058 INFO L78 Accepts]: Start accepts. Automaton has 4227 states and 15272 transitions. Word has length 68 [2021-06-05 19:55:02,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:55:02,058 INFO L482 AbstractCegarLoop]: Abstraction has 4227 states and 15272 transitions. [2021-06-05 19:55:02,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 19:55:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4227 states and 15272 transitions. [2021-06-05 19:55:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-06-05 19:55:02,067 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 19:55:02,067 INFO L554 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 19:55:02,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 19:55:02,067 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 19:55:02,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 19:55:02,068 INFO L82 PathProgramCache]: Analyzing trace with hash -2059891105, now seen corresponding path program 1 times [2021-06-05 19:55:02,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 19:55:02,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471039054] [2021-06-05 19:55:02,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 19:55:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 19:55:02,158 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 19:55:02,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 19:55:02,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471039054] [2021-06-05 19:55:02,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471039054] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 19:55:02,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 19:55:02,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 19:55:02,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922163872] [2021-06-05 19:55:02,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 19:55:02,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 19:55:02,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 19:55:02,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 19:55:02,160 INFO L87 Difference]: Start difference. First operand 4227 states and 15272 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 19:55:02,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 19:55:02,241 INFO L93 Difference]: Finished difference Result 4065 states and 14678 transitions. [2021-06-05 19:55:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 19:55:02,241 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 70 [2021-06-05 19:55:02,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 19:55:02,241 INFO L225 Difference]: With dead ends: 4065 [2021-06-05 19:55:02,241 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 19:55:02,241 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 80.0ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-06-05 19:55:02,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 19:55:02,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 19:55:02,242 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 19:55:02,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 19:55:02,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2021-06-05 19:55:02,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 19:55:02,242 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 19:55:02,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 19:55:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 19:55:02,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 19:55:02,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-05 19:55:02,245 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 19:55:02,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 07:55:02 BasicIcfg [2021-06-05 19:55:02,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 19:55:02,248 INFO L168 Benchmark]: Toolchain (without parser) took 21916.68 ms. Allocated memory was 413.1 MB in the beginning and 10.6 GB in the end (delta: 10.1 GB). Free memory was 375.3 MB in the beginning and 8.9 GB in the end (delta: -8.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB. [2021-06-05 19:55:02,248 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 413.1 MB. Free memory was 393.5 MB in the beginning and 393.4 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 19:55:02,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.06 ms. Allocated memory is still 413.1 MB. Free memory was 375.1 MB in the beginning and 374.6 MB in the end (delta: 464.1 kB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. [2021-06-05 19:55:02,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.90 ms. Allocated memory is still 413.1 MB. Free memory was 374.6 MB in the beginning and 372.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 19:55:02,249 INFO L168 Benchmark]: Boogie Preprocessor took 34.25 ms. Allocated memory is still 413.1 MB. Free memory was 372.5 MB in the beginning and 371.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 19:55:02,249 INFO L168 Benchmark]: RCFGBuilder took 673.08 ms. Allocated memory is still 413.1 MB. Free memory was 371.4 MB in the beginning and 344.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-05 19:55:02,249 INFO L168 Benchmark]: TraceAbstraction took 20590.23 ms. Allocated memory was 413.1 MB in the beginning and 10.6 GB in the end (delta: 10.1 GB). Free memory was 343.1 MB in the beginning and 8.9 GB in the end (delta: -8.6 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB. [2021-06-05 19:55:02,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 413.1 MB. Free memory was 393.5 MB in the beginning and 393.4 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 552.06 ms. Allocated memory is still 413.1 MB. Free memory was 375.1 MB in the beginning and 374.6 MB in the end (delta: 464.1 kB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 60.90 ms. Allocated memory is still 413.1 MB. Free memory was 374.6 MB in the beginning and 372.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.25 ms. Allocated memory is still 413.1 MB. Free memory was 372.5 MB in the beginning and 371.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 673.08 ms. Allocated memory is still 413.1 MB. Free memory was 371.4 MB in the beginning and 344.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20590.23 ms. Allocated memory was 413.1 MB in the beginning and 10.6 GB in the end (delta: 10.1 GB). Free memory was 343.1 MB in the beginning and 8.9 GB in the end (delta: -8.6 GB). Peak memory consumption was 1.6 GB. 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 127 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20473.8ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 690.0ms, AutomataDifference: 6160.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5312.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1411 SDtfs, 2536 SDslu, 4919 SDs, 0 SdLazy, 565 SolverSat, 126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 471.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1453.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=51815occurred in iteration=0, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6128.0ms AutomataMinimizationTime, 11 MinimizatonAttempts, 21672 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 45.6ms SsaConstructionTime, 276.6ms SatisfiabilityAnalysisTime, 1648.2ms InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 681 ConstructedInterpolants, 0 QuantifiedInterpolants, 3141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...