/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-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 01:19:24,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 01:19:24,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 01:19:24,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 01:19:24,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 01:19:24,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 01:19:24,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 01:19:24,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 01:19:24,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 01:19:24,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 01:19:24,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 01:19:24,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 01:19:24,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 01:19:24,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 01:19:24,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 01:19:24,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 01:19:24,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 01:19:24,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 01:19:24,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 01:19:24,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 01:19:24,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 01:19:24,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 01:19:24,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 01:19:24,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 01:19:24,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 01:19:24,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 01:19:24,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 01:19:24,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 01:19:24,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 01:19:24,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 01:19:24,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 01:19:24,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 01:19:24,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 01:19:24,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 01:19:24,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 01:19:24,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 01:19:24,850 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-POR-DelaySleep-NoLbe.epf [2021-06-06 01:19:24,869 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 01:19:24,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 01:19:24,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 01:19:24,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 01:19:24,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 01:19:24,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 01:19:24,871 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 01:19:24,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 01:19:24,871 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 01:19:24,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 01:19:24,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 01:19:24,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 01:19:24,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 01:19:24,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 01:19:24,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 01:19:24,872 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 01:19:24,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 01:19:24,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 01:19:24,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 01:19:24,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 01:19:24,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 01:19:24,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 01:19:24,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 01:19:24,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 01:19:24,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 01:19:24,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 01:19:24,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 01:19:24,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 01:19:24,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 01:19:24,874 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 01:19:24,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 01:19:24,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 01:19:24,874 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 01:19:24,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 01:19:25,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 01:19:25,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 01:19:25,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 01:19:25,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 01:19:25,224 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 01:19:25,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-1.i [2021-06-06 01:19:25,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aeef2d2f/b8b35e00af8e4a419a1b897da28c0f76/FLAG903fa0e39 [2021-06-06 01:19:25,795 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 01:19:25,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i [2021-06-06 01:19:25,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aeef2d2f/b8b35e00af8e4a419a1b897da28c0f76/FLAG903fa0e39 [2021-06-06 01:19:26,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aeef2d2f/b8b35e00af8e4a419a1b897da28c0f76 [2021-06-06 01:19:26,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 01:19:26,307 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 01:19:26,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 01:19:26,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 01:19:26,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 01:19:26,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92f1f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26, skipping insertion in model container [2021-06-06 01:19:26,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 01:19:26,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 01:19:26,651 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/triangular-1.i[30950,30963] [2021-06-06 01:19:26,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 01:19:26,663 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 01:19:26,725 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/triangular-1.i[30950,30963] [2021-06-06 01:19:26,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 01:19:26,781 INFO L208 MainTranslator]: Completed translation [2021-06-06 01:19:26,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26 WrapperNode [2021-06-06 01:19:26,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 01:19:26,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 01:19:26,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 01:19:26,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 01:19:26,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 01:19:26,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 01:19:26,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 01:19:26,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 01:19:26,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (1/1) ... [2021-06-06 01:19:26,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 01:19:26,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 01:19:26,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 01:19:26,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 01:19:26,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (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 [2021-06-06 01:19:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-06 01:19:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-06 01:19:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-06 01:19:26,902 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-06 01:19:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 01:19:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 01:19:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 01:19:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 01:19:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 01:19:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 01:19:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 01:19:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 01:19:26,904 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 01:19:27,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 01:19:27,216 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 01:19:27,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:19:27 BoogieIcfgContainer [2021-06-06 01:19:27,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 01:19:27,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 01:19:27,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 01:19:27,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 01:19:27,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 01:19:26" (1/3) ... [2021-06-06 01:19:27,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792f7d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:19:27, skipping insertion in model container [2021-06-06 01:19:27,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:19:26" (2/3) ... [2021-06-06 01:19:27,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792f7d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:19:27, skipping insertion in model container [2021-06-06 01:19:27,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:19:27" (3/3) ... [2021-06-06 01:19:27,225 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-1.i [2021-06-06 01:19:27,233 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 01:19:27,233 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 01:19:27,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 01:19:27,234 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 01:19:27,270 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,271 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,271 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,271 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,271 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,271 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,271 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,272 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,272 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,272 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,273 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,273 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,273 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,274 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,274 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,274 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,274 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,274 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,274 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,275 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,275 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,275 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,276 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,276 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,276 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,276 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,277 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,277 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,277 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,277 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,277 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,278 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,278 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,279 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,279 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,279 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,279 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,279 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,280 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,280 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,280 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,280 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,280 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,280 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,281 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,281 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,282 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,282 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,284 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,284 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,286 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,286 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,286 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,287 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,287 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,287 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,295 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,297 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,297 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,297 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,297 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,297 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 01:19:27,299 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 01:19:27,320 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 01:19:27,386 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 01:19:27,386 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 01:19:27,386 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 01:19:27,387 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 01:19:27,387 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 01:19:27,387 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 01:19:27,387 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 01:19:27,387 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 01:19:27,427 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:27,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:27,433 INFO L82 PathProgramCache]: Analyzing trace with hash 581373328, now seen corresponding path program 1 times [2021-06-06 01:19:27,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:27,441 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403417868] [2021-06-06 01:19:27,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:27,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:27,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403417868] [2021-06-06 01:19:27,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403417868] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:19:27,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:19:27,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 01:19:27,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970251850] [2021-06-06 01:19:27,654 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 01:19:27,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:27,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 01:19:27,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 01:19:27,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:27,668 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:27,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2021-06-06 01:19:27,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:27,676 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 01:19:27,676 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:27,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:27,677 INFO L82 PathProgramCache]: Analyzing trace with hash 384859823, now seen corresponding path program 1 times [2021-06-06 01:19:27,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:27,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791447573] [2021-06-06 01:19:27,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:27,732 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:27,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791447573] [2021-06-06 01:19:27,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791447573] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:19:27,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 01:19:27,733 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 01:19:27,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707116485] [2021-06-06 01:19:27,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 01:19:27,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:27,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 01:19:27,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 01:19:27,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:27,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:27,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-06-06 01:19:27,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:27,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:27,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:27,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:27,765 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 01:19:27,765 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:27,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:27,766 INFO L82 PathProgramCache]: Analyzing trace with hash 321637343, now seen corresponding path program 1 times [2021-06-06 01:19:27,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:27,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259805136] [2021-06-06 01:19:27,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:27,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:27,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259805136] [2021-06-06 01:19:27,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259805136] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:27,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061288837] [2021-06-06 01:19:27,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:27,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 01:19:27,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:28,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061288837] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:28,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:28,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-06 01:19:28,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935186669] [2021-06-06 01:19:28,179 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 01:19:28,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:28,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 01:19:28,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 01:19:28,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:28,181 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:28,182 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2021-06-06 01:19:28,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:28,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:28,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:28,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:28,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:28,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:28,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:28,477 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:28,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:28,478 INFO L82 PathProgramCache]: Analyzing trace with hash 987839663, now seen corresponding path program 2 times [2021-06-06 01:19:28,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:28,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48955048] [2021-06-06 01:19:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:28,592 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:28,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48955048] [2021-06-06 01:19:28,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48955048] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:28,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133848676] [2021-06-06 01:19:28,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:28,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 01:19:28,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:28,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 01:19:28,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:28,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133848676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:28,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:28,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-06 01:19:28,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909527584] [2021-06-06 01:19:28,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 01:19:28,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:28,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 01:19:28,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-06 01:19:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:28,801 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:28,801 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 01:19:28,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:28,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:28,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:28,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:28,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:29,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:29,093 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:29,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:29,094 INFO L82 PathProgramCache]: Analyzing trace with hash 503434719, now seen corresponding path program 3 times [2021-06-06 01:19:29,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:29,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738418759] [2021-06-06 01:19:29,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:29,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:29,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738418759] [2021-06-06 01:19:29,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738418759] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:29,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207509504] [2021-06-06 01:19:29,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:29,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-06 01:19:29,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:29,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 01:19:29,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 01:19:29,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207509504] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:19:29,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 01:19:29,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2021-06-06 01:19:29,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153931799] [2021-06-06 01:19:29,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 01:19:29,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:29,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 01:19:29,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-06-06 01:19:29,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:29,440 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:29,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-06-06 01:19:29,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:29,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:29,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:29,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:29,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:29,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:29,777 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:29,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:29,777 INFO L82 PathProgramCache]: Analyzing trace with hash 99258172, now seen corresponding path program 1 times [2021-06-06 01:19:29,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:29,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322838993] [2021-06-06 01:19:29,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:29,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:29,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322838993] [2021-06-06 01:19:29,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322838993] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:29,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792221903] [2021-06-06 01:19:29,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:29,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 01:19:29,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:30,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792221903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:30,038 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:30,039 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-06-06 01:19:30,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836902228] [2021-06-06 01:19:30,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 01:19:30,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:30,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 01:19:30,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-06 01:19:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:30,040 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:30,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 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) [2021-06-06 01:19:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:30,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-06 01:19:30,357 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:30,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:30,357 INFO L82 PathProgramCache]: Analyzing trace with hash 228742156, now seen corresponding path program 2 times [2021-06-06 01:19:30,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:30,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187134612] [2021-06-06 01:19:30,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:30,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:30,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187134612] [2021-06-06 01:19:30,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187134612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:30,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590984922] [2021-06-06 01:19:30,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:30,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 01:19:30,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:30,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 01:19:30,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:30,717 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:30,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590984922] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:30,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:30,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-06-06 01:19:30,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818533551] [2021-06-06 01:19:30,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 01:19:30,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:30,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 01:19:30,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-06-06 01:19:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:30,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:30,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 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) [2021-06-06 01:19:30,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:30,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:30,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:30,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:30,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:30,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:30,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:31,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:31,049 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:31,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:31,049 INFO L82 PathProgramCache]: Analyzing trace with hash 420811068, now seen corresponding path program 3 times [2021-06-06 01:19:31,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:31,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203960976] [2021-06-06 01:19:31,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-06 01:19:31,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:31,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203960976] [2021-06-06 01:19:31,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203960976] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:31,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8510289] [2021-06-06 01:19:31,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:31,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-06 01:19:31,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:31,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 01:19:31,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:31,402 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-06 01:19:31,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8510289] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:31,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:31,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-06 01:19:31,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623737457] [2021-06-06 01:19:31,403 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 01:19:31,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:31,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 01:19:31,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-06 01:19:31,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:31,404 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:31,404 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 01:19:31,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:31,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:31,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:31,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:31,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:31,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:31,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:31,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:31,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:32,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:32,001 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:32,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:32,001 INFO L82 PathProgramCache]: Analyzing trace with hash 610783577, now seen corresponding path program 1 times [2021-06-06 01:19:32,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:32,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196408228] [2021-06-06 01:19:32,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-06 01:19:32,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:32,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196408228] [2021-06-06 01:19:32,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196408228] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:32,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651727538] [2021-06-06 01:19:32,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:32,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 01:19:32,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-06 01:19:32,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651727538] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:32,334 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:32,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-06 01:19:32,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871247755] [2021-06-06 01:19:32,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 01:19:32,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:32,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 01:19:32,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-06 01:19:32,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:32,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:32,336 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 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) [2021-06-06 01:19:32,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:32,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:32,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:32,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:32,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:32,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:32,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:32,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:32,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:32,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 01:19:32,937 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:32,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:32,937 INFO L82 PathProgramCache]: Analyzing trace with hash 2038397700, now seen corresponding path program 2 times [2021-06-06 01:19:32,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:32,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315948972] [2021-06-06 01:19:32,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 68 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-06 01:19:33,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:33,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315948972] [2021-06-06 01:19:33,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315948972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:33,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883449226] [2021-06-06 01:19:33,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:33,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 01:19:33,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:33,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 01:19:33,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-06 01:19:33,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883449226] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:19:33,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 01:19:33,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-06-06 01:19:33,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876468988] [2021-06-06 01:19:33,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 01:19:33,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:33,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 01:19:33,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-06 01:19:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:33,318 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:33,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 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) [2021-06-06 01:19:33,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:33,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:33,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:33,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:33,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:33,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:33,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:33,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:33,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:33,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:33,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:33,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:33,866 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:33,866 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:33,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:33,867 INFO L82 PathProgramCache]: Analyzing trace with hash 880373486, now seen corresponding path program 1 times [2021-06-06 01:19:33,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:33,867 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351061234] [2021-06-06 01:19:33,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-06 01:19:33,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:33,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351061234] [2021-06-06 01:19:33,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351061234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:33,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704166627] [2021-06-06 01:19:33,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:34,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 01:19:34,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-06-06 01:19:34,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704166627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:34,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:34,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-06 01:19:34,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325072180] [2021-06-06 01:19:34,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 01:19:34,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:34,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 01:19:34,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-06 01:19:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:34,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:34,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:34,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:34,869 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:34,869 INFO L82 PathProgramCache]: Analyzing trace with hash 453656116, now seen corresponding path program 3 times [2021-06-06 01:19:34,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:34,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500372845] [2021-06-06 01:19:34,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 01:19:34,971 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:34,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500372845] [2021-06-06 01:19:34,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500372845] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:34,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552352280] [2021-06-06 01:19:34,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:35,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 01:19:35,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:35,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 01:19:35,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 01:19:35,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552352280] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:35,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:35,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-06 01:19:35,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997075743] [2021-06-06 01:19:35,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 01:19:35,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:35,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 01:19:35,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-06-06 01:19:35,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:35,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:35,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 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) [2021-06-06 01:19:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:35,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:35,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:35,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:35,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:35,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:35,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 01:19:35,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 01:19:35,945 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:35,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:35,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1113640599, now seen corresponding path program 1 times [2021-06-06 01:19:35,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:35,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780881551] [2021-06-06 01:19:35,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 01:19:36,030 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:36,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780881551] [2021-06-06 01:19:36,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780881551] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:36,030 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87227092] [2021-06-06 01:19:36,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:36,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 01:19:36,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:36,239 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 01:19:36,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87227092] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:36,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:36,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-06-06 01:19:36,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835531193] [2021-06-06 01:19:36,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 01:19:36,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:36,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 01:19:36,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-06 01:19:36,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:36,241 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:36,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 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) [2021-06-06 01:19:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:36,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:36,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:36,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:36,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:36,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:36,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:36,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:36,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 01:19:36,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:37,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:37,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:37,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:37,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:37,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:37,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:37,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:37,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 01:19:37,409 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:37,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:37,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1068528401, now seen corresponding path program 4 times [2021-06-06 01:19:37,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:37,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045058464] [2021-06-06 01:19:37,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 01:19:37,569 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:37,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045058464] [2021-06-06 01:19:37,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045058464] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:37,570 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256624706] [2021-06-06 01:19:37,570 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:37,645 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 01:19:37,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:37,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 01:19:37,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 01:19:37,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256624706] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:37,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:37,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-06 01:19:37,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816228576] [2021-06-06 01:19:37,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 01:19:37,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:37,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 01:19:37,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-06-06 01:19:37,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:37,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:37,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 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) [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:37,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 01:19:38,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 01:19:38,793 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:38,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:38,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1731584644, now seen corresponding path program 2 times [2021-06-06 01:19:38,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:38,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512713721] [2021-06-06 01:19:38,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 01:19:38,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:38,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512713721] [2021-06-06 01:19:38,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512713721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:38,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883696910] [2021-06-06 01:19:38,891 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:39,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 01:19:39,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:39,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 01:19:39,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:39,151 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 01:19:39,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883696910] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:39,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:39,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 14 [2021-06-06 01:19:39,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421005840] [2021-06-06 01:19:39,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 01:19:39,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:39,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 01:19:39,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-06 01:19:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:39,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:39,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.142857142857143) internal successors, (72), 14 states have internal predecessors, (72), 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) [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:39,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:39,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 01:19:39,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 01:19:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 01:19:40,706 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:40,707 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:40,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:40,707 INFO L82 PathProgramCache]: Analyzing trace with hash -917587382, now seen corresponding path program 5 times [2021-06-06 01:19:40,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:40,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854636999] [2021-06-06 01:19:40,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:40,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:40,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854636999] [2021-06-06 01:19:40,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854636999] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:40,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385593528] [2021-06-06 01:19:40,938 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:41,006 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 01:19:41,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:41,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 01:19:41,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:41,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385593528] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:41,161 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:41,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2021-06-06 01:19:41,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860529837] [2021-06-06 01:19:41,162 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 01:19:41,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:41,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 01:19:41,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-06-06 01:19:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:41,163 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:41,163 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 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) [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 01:19:41,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 01:19:41,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 01:19:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 01:19:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 01:19:42,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:42,269 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:42,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:42,285 INFO L82 PathProgramCache]: Analyzing trace with hash 697392511, now seen corresponding path program 3 times [2021-06-06 01:19:42,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:42,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082015264] [2021-06-06 01:19:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:42,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:42,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082015264] [2021-06-06 01:19:42,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082015264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:42,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759510613] [2021-06-06 01:19:42,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:42,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 01:19:42,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:42,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 01:19:42,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:42,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759510613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:42,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:42,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2021-06-06 01:19:42,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800611437] [2021-06-06 01:19:42,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 01:19:42,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:42,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 01:19:42,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-06-06 01:19:42,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:42,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:42,594 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 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) [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:42,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 01:19:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 01:19:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 01:19:42,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:44,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 01:19:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 01:19:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 01:19:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 01:19:44,634 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:44,634 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:44,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:44,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1690378629, now seen corresponding path program 6 times [2021-06-06 01:19:44,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:44,635 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717092992] [2021-06-06 01:19:44,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:44,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:44,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717092992] [2021-06-06 01:19:44,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717092992] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:44,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725192949] [2021-06-06 01:19:44,736 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:44,819 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-06 01:19:44,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:44,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 01:19:44,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:44,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725192949] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 01:19:44,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 01:19:44,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-06-06 01:19:44,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578389650] [2021-06-06 01:19:44,972 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 01:19:44,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:44,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 01:19:44,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-06 01:19:44,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:44,973 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:44,973 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 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) [2021-06-06 01:19:44,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:44,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:44,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 01:19:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 01:19:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 01:19:44,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:47,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:47,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 01:19:47,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 01:19:47,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 01:19:47,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 01:19:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:47,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-06 01:19:47,229 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 01:19:47,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 01:19:47,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1832202010, now seen corresponding path program 4 times [2021-06-06 01:19:47,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 01:19:47,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009017896] [2021-06-06 01:19:47,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 01:19:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 01:19:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:47,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 01:19:47,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009017896] [2021-06-06 01:19:47,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009017896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:47,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745725527] [2021-06-06 01:19:47,342 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 01:19:47,413 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 01:19:47,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 01:19:47,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 01:19:47,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 01:19:47,555 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 01:19:47,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745725527] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 01:19:47,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 01:19:47,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-06-06 01:19:47,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367372166] [2021-06-06 01:19:47,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 01:19:47,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 01:19:47,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 01:19:47,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-06-06 01:19:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:47,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 01:19:47,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.882352941176471) internal successors, (83), 17 states have internal predecessors, (83), 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) [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 01:19:47,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 01:19:47,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-06 01:19:47,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:47,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 01:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 01:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 01:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 01:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 01:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 01:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 01:19:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 01:19:51,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-06 01:19:51,937 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 01:19:51,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 01:19:51 BasicIcfg [2021-06-06 01:19:51,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 01:19:51,940 INFO L168 Benchmark]: Toolchain (without parser) took 25632.39 ms. Allocated memory was 346.0 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 308.2 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-06-06 01:19:51,940 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 346.0 MB. Free memory was 326.4 MB in the beginning and 326.3 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 01:19:51,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.30 ms. Allocated memory is still 346.0 MB. Free memory was 308.0 MB in the beginning and 309.0 MB in the end (delta: -973.5 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-06 01:19:51,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.21 ms. Allocated memory is still 346.0 MB. Free memory was 309.0 MB in the beginning and 307.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 01:19:51,940 INFO L168 Benchmark]: Boogie Preprocessor took 20.70 ms. Allocated memory is still 346.0 MB. Free memory was 307.9 MB in the beginning and 305.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 01:19:51,940 INFO L168 Benchmark]: RCFGBuilder took 380.96 ms. Allocated memory is still 346.0 MB. Free memory was 305.8 MB in the beginning and 283.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 01:19:51,940 INFO L168 Benchmark]: TraceAbstraction took 24720.04 ms. Allocated memory was 346.0 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 283.8 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-06-06 01:19:51,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 346.0 MB. Free memory was 326.4 MB in the beginning and 326.3 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 472.30 ms. Allocated memory is still 346.0 MB. Free memory was 308.0 MB in the beginning and 309.0 MB in the end (delta: -973.5 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 32.21 ms. Allocated memory is still 346.0 MB. Free memory was 309.0 MB in the beginning and 307.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.70 ms. Allocated memory is still 346.0 MB. Free memory was 307.9 MB in the beginning and 305.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 380.96 ms. Allocated memory is still 346.0 MB. Free memory was 305.8 MB in the beginning and 283.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 24720.04 ms. Allocated memory was 346.0 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 283.8 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 819029, positive: 695057, positive conditional: 695057, positive unconditional: 0, negative: 123972, negative conditional: 123972, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 698851, positive: 695057, positive conditional: 695057, positive unconditional: 0, negative: 3794, negative conditional: 3794, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 698851, positive: 692585, positive conditional: 0, positive unconditional: 692585, negative: 6266, negative conditional: 0, negative unconditional: 6266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 590, positive: 586, positive conditional: 0, positive unconditional: 586, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 590, positive: 586, positive conditional: 0, positive unconditional: 586, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 698851, positive: 691999, positive conditional: 0, positive unconditional: 691999, negative: 6262, negative conditional: 0, negative unconditional: 6262, unknown: 590, unknown conditional: 0, unknown unconditional: 590] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541, SemanticConditionEliminator.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 89831, positive: 2472, positive conditional: 2472, positive unconditional: 0, negative: 87359, negative conditional: 26818, negative unconditional: 60541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 232, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 383, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 346, negative conditional: 306, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89831, positive: 2450, positive conditional: 2450, positive unconditional: 0, negative: 87153, negative conditional: 26612, negative unconditional: 60541, unknown: 228, unknown conditional: 228, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 608, Positive conditional cache size: 22, Positive unconditional cache size: 586, Negative cache size: 210, Negative conditional cache size: 206, Negative unconditional cache size: 4, Eliminated conditions: 60541 ], Maximal queried relation: 19, Independence queries for same thread: 120178 - PositiveResult [Line: 722]: 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 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24589.8ms, OverallIterations: 19, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 14726.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 321, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 293.4ms SsaConstructionTime, 650.3ms SatisfiabilityAnalysisTime, 4231.1ms InterpolantComputationTime, 2394 NumberOfCodeBlocks, 2359 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 2358 ConstructedInterpolants, 0 QuantifiedInterpolants, 6866 SizeOfPredicates, 116 NumberOfNonLiveVariables, 2625 ConjunctsInSsa, 184 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 578/1776 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...