/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 12:45:19,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 12:45:19,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 12:45:19,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 12:45:19,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 12:45:19,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 12:45:19,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 12:45:19,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 12:45:19,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 12:45:19,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 12:45:19,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 12:45:19,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 12:45:19,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 12:45:19,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 12:45:19,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 12:45:19,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 12:45:19,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 12:45:19,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 12:45:19,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 12:45:19,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 12:45:19,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 12:45:19,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 12:45:19,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 12:45:19,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 12:45:19,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 12:45:19,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 12:45:19,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 12:45:19,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 12:45:19,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 12:45:19,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 12:45:19,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 12:45:19,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 12:45:19,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 12:45:19,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 12:45:19,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 12:45:19,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 12:45:19,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 12:45:19,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 12:45:19,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 12:45:19,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 12:45:19,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 12:45:19,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 12:45:19,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 12:45:19,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 12:45:19,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 12:45:19,218 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 12:45:19,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 12:45:19,218 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 12:45:19,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 12:45:19,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 12:45:19,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 12:45:19,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 12:45:19,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 12:45:19,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 12:45:19,219 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 12:45:19,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 12:45:19,219 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 12:45:19,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 12:45:19,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 12:45:19,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 12:45:19,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 12:45:19,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 12:45:19,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 12:45:19,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 12:45:19,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 12:45:19,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 12:45:19,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 12:45:19,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 12:45:19,221 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 12:45:19,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 12:45:19,221 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 12:45:19,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 12:45:19,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 12:45:19,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 12:45:19,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 12:45:19,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 12:45:19,434 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 12:45:19,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2022-01-18 12:45:19,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6895edd5/5cdad8a0e6554af29d63a60ea2590ea7/FLAG240e1b174 [2022-01-18 12:45:19,836 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 12:45:19,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2022-01-18 12:45:19,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6895edd5/5cdad8a0e6554af29d63a60ea2590ea7/FLAG240e1b174 [2022-01-18 12:45:19,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6895edd5/5cdad8a0e6554af29d63a60ea2590ea7 [2022-01-18 12:45:19,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 12:45:19,855 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 12:45:19,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 12:45:19,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 12:45:19,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 12:45:19,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:45:19" (1/1) ... [2022-01-18 12:45:19,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1007a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:19, skipping insertion in model container [2022-01-18 12:45:19,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:45:19" (1/1) ... [2022-01-18 12:45:19,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 12:45:19,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 12:45:20,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2022-01-18 12:45:20,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 12:45:20,086 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 12:45:20,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2022-01-18 12:45:20,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 12:45:20,139 INFO L208 MainTranslator]: Completed translation [2022-01-18 12:45:20,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20 WrapperNode [2022-01-18 12:45:20,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 12:45:20,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 12:45:20,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 12:45:20,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 12:45:20,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,172 INFO L137 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 193 [2022-01-18 12:45:20,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 12:45:20,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 12:45:20,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 12:45:20,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 12:45:20,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 12:45:20,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 12:45:20,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 12:45:20,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 12:45:20,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (1/1) ... [2022-01-18 12:45:20,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 12:45:20,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:45:20,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 12:45:20,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 12:45:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 12:45:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 12:45:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 12:45:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 12:45:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 12:45:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 12:45:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 12:45:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 12:45:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 12:45:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 12:45:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 12:45:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 12:45:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 12:45:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 12:45:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 12:45:20,285 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 12:45:20,378 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 12:45:20,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 12:45:20,673 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 12:45:20,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 12:45:20,682 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-01-18 12:45:20,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:45:20 BoogieIcfgContainer [2022-01-18 12:45:20,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 12:45:20,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 12:45:20,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 12:45:20,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 12:45:20,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:45:19" (1/3) ... [2022-01-18 12:45:20,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c8209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:45:20, skipping insertion in model container [2022-01-18 12:45:20,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:45:20" (2/3) ... [2022-01-18 12:45:20,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c8209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:45:20, skipping insertion in model container [2022-01-18 12:45:20,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:45:20" (3/3) ... [2022-01-18 12:45:20,692 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2022-01-18 12:45:20,695 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 12:45:20,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 12:45:20,696 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 12:45:20,696 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 12:45:20,738 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,738 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,739 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,739 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,739 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,739 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,740 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,741 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,741 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,741 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,741 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,741 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,742 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,742 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,743 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,744 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,744 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,744 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,744 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,745 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,745 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,745 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,746 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,746 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,746 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,746 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,746 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,746 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,746 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,747 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,747 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,747 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,747 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,747 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,747 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,748 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,748 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,748 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,749 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,749 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,750 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,750 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,750 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,751 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,751 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,751 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,752 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,752 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,752 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,752 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,752 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,752 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,753 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,753 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,753 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,753 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,753 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,753 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,754 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,754 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,754 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,754 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,754 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,755 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,755 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,755 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,755 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,755 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,756 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,756 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,762 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,762 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,763 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,763 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,763 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,763 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,763 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,763 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,763 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,764 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,766 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,766 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,767 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,767 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,767 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,767 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,769 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,770 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,770 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,771 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,771 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,772 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,772 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,772 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,772 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:45:20,775 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 12:45:20,810 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 12:45:20,823 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 12:45:20,823 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 12:45:20,836 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 279 places, 294 transitions, 612 flow [2022-01-18 12:45:21,236 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10624 states, 10623 states have (on average 3.788007154287866) internal successors, (40240), 10623 states have internal predecessors, (40240), 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) [2022-01-18 12:45:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 10624 states, 10623 states have (on average 3.788007154287866) internal successors, (40240), 10623 states have internal predecessors, (40240), 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) [2022-01-18 12:45:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-01-18 12:45:21,358 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:21,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:21,360 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:21,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:21,369 INFO L85 PathProgramCache]: Analyzing trace with hash -533660925, now seen corresponding path program 1 times [2022-01-18 12:45:21,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:21,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240460664] [2022-01-18 12:45:21,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:21,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:45:21,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:21,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240460664] [2022-01-18 12:45:21,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240460664] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:45:21,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:45:21,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 12:45:21,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671379930] [2022-01-18 12:45:21,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:45:21,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 12:45:21,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:45:21,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 12:45:21,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 12:45:21,714 INFO L87 Difference]: Start difference. First operand has 10624 states, 10623 states have (on average 3.788007154287866) internal successors, (40240), 10623 states have internal predecessors, (40240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 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) [2022-01-18 12:45:21,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:45:21,953 INFO L93 Difference]: Finished difference Result 10624 states and 37954 transitions. [2022-01-18 12:45:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 12:45:21,955 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2022-01-18 12:45:21,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:45:22,059 INFO L225 Difference]: With dead ends: 10624 [2022-01-18 12:45:22,060 INFO L226 Difference]: Without dead ends: 10613 [2022-01-18 12:45:22,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 12:45:22,064 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:45:22,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 256 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:45:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10613 states. [2022-01-18 12:45:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10613 to 10613. [2022-01-18 12:45:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10613 states, 10612 states have (on average 3.5754805880135696) internal successors, (37943), 10612 states have internal predecessors, (37943), 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) [2022-01-18 12:45:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10613 states to 10613 states and 37943 transitions. [2022-01-18 12:45:22,729 INFO L78 Accepts]: Start accepts. Automaton has 10613 states and 37943 transitions. Word has length 200 [2022-01-18 12:45:22,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:45:22,730 INFO L470 AbstractCegarLoop]: Abstraction has 10613 states and 37943 transitions. [2022-01-18 12:45:22,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 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) [2022-01-18 12:45:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 10613 states and 37943 transitions. [2022-01-18 12:45:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-01-18 12:45:22,771 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:22,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:22,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 12:45:22,772 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:22,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:22,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1814166940, now seen corresponding path program 1 times [2022-01-18 12:45:22,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:22,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634288234] [2022-01-18 12:45:22,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:22,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:45:23,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:23,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634288234] [2022-01-18 12:45:23,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634288234] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:45:23,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:45:23,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 12:45:23,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497417200] [2022-01-18 12:45:23,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:45:23,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 12:45:23,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:45:23,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 12:45:23,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-01-18 12:45:23,160 INFO L87 Difference]: Start difference. First operand 10613 states and 37943 transitions. Second operand has 8 states, 8 states have (on average 25.0) internal successors, (200), 8 states have internal predecessors, (200), 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) [2022-01-18 12:45:23,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:45:23,971 INFO L93 Difference]: Finished difference Result 31662 states and 113654 transitions. [2022-01-18 12:45:23,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 12:45:23,971 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.0) internal successors, (200), 8 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2022-01-18 12:45:23,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:45:24,038 INFO L225 Difference]: With dead ends: 31662 [2022-01-18 12:45:24,038 INFO L226 Difference]: Without dead ends: 10633 [2022-01-18 12:45:24,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:45:24,040 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 1148 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 12:45:24,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1148 Valid, 997 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 12:45:24,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10633 states. [2022-01-18 12:45:24,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10633 to 10617. [2022-01-18 12:45:24,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10617 states, 10616 states have (on average 3.5745101733232856) internal successors, (37947), 10616 states have internal predecessors, (37947), 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) [2022-01-18 12:45:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10617 states to 10617 states and 37947 transitions. [2022-01-18 12:45:24,388 INFO L78 Accepts]: Start accepts. Automaton has 10617 states and 37947 transitions. Word has length 200 [2022-01-18 12:45:24,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:45:24,390 INFO L470 AbstractCegarLoop]: Abstraction has 10617 states and 37947 transitions. [2022-01-18 12:45:24,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.0) internal successors, (200), 8 states have internal predecessors, (200), 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) [2022-01-18 12:45:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 10617 states and 37947 transitions. [2022-01-18 12:45:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-01-18 12:45:24,432 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:24,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:24,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 12:45:24,433 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:24,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:24,433 INFO L85 PathProgramCache]: Analyzing trace with hash 18113528, now seen corresponding path program 1 times [2022-01-18 12:45:24,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:24,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840477507] [2022-01-18 12:45:24,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:24,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:24,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:24,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840477507] [2022-01-18 12:45:24,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840477507] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:24,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984037494] [2022-01-18 12:45:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:24,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:24,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:45:24,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:45:24,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 12:45:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:24,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:45:24,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:45:25,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:25,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:45:25,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:25,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984037494] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:25,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:45:25,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-18 12:45:25,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917690789] [2022-01-18 12:45:25,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:45:25,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:45:25,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:45:25,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:45:25,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-18 12:45:25,844 INFO L87 Difference]: Start difference. First operand 10617 states and 37947 transitions. Second operand has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 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) [2022-01-18 12:45:26,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:45:26,001 INFO L93 Difference]: Finished difference Result 11377 states and 40728 transitions. [2022-01-18 12:45:26,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 12:45:26,002 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 224 [2022-01-18 12:45:26,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:45:26,049 INFO L225 Difference]: With dead ends: 11377 [2022-01-18 12:45:26,049 INFO L226 Difference]: Without dead ends: 11377 [2022-01-18 12:45:26,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 440 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:45:26,050 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 592 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:45:26,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [592 Valid, 593 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:45:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11377 states. [2022-01-18 12:45:26,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11377 to 11377. [2022-01-18 12:45:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11377 states, 11376 states have (on average 3.580168776371308) internal successors, (40728), 11376 states have internal predecessors, (40728), 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) [2022-01-18 12:45:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11377 states to 11377 states and 40728 transitions. [2022-01-18 12:45:26,412 INFO L78 Accepts]: Start accepts. Automaton has 11377 states and 40728 transitions. Word has length 224 [2022-01-18 12:45:26,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:45:26,413 INFO L470 AbstractCegarLoop]: Abstraction has 11377 states and 40728 transitions. [2022-01-18 12:45:26,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 7 states have internal predecessors, (224), 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) [2022-01-18 12:45:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 11377 states and 40728 transitions. [2022-01-18 12:45:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-01-18 12:45:26,444 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:26,444 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:26,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 12:45:26,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:26,667 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:26,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:26,668 INFO L85 PathProgramCache]: Analyzing trace with hash -522361031, now seen corresponding path program 1 times [2022-01-18 12:45:26,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:26,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952423492] [2022-01-18 12:45:26,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:26,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:26,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:26,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952423492] [2022-01-18 12:45:26,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952423492] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:26,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002287125] [2022-01-18 12:45:26,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:26,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:26,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:45:26,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:45:26,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 12:45:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:26,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:45:26,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:45:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:27,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:45:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:28,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002287125] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:45:28,109 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:45:28,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2022-01-18 12:45:28,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060600038] [2022-01-18 12:45:28,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:45:28,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-18 12:45:28,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:45:28,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-18 12:45:28,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-01-18 12:45:28,113 INFO L87 Difference]: Start difference. First operand 11377 states and 40728 transitions. Second operand has 18 states, 18 states have (on average 15.61111111111111) internal successors, (281), 18 states have internal predecessors, (281), 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) [2022-01-18 12:45:28,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:45:28,852 INFO L93 Difference]: Finished difference Result 22255 states and 79765 transitions. [2022-01-18 12:45:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 12:45:28,853 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 15.61111111111111) internal successors, (281), 18 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-01-18 12:45:28,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:45:28,951 INFO L225 Difference]: With dead ends: 22255 [2022-01-18 12:45:28,951 INFO L226 Difference]: Without dead ends: 22255 [2022-01-18 12:45:28,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-01-18 12:45:28,952 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 1424 mSDsluCounter, 2148 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1424 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 12:45:28,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1424 Valid, 2352 Invalid, 860 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 12:45:29,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22255 states. [2022-01-18 12:45:29,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22255 to 12132. [2022-01-18 12:45:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12132 states, 12131 states have (on average 3.562937927623444) internal successors, (43222), 12131 states have internal predecessors, (43222), 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) [2022-01-18 12:45:29,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12132 states to 12132 states and 43222 transitions. [2022-01-18 12:45:29,444 INFO L78 Accepts]: Start accepts. Automaton has 12132 states and 43222 transitions. Word has length 233 [2022-01-18 12:45:29,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:45:29,445 INFO L470 AbstractCegarLoop]: Abstraction has 12132 states and 43222 transitions. [2022-01-18 12:45:29,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.61111111111111) internal successors, (281), 18 states have internal predecessors, (281), 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) [2022-01-18 12:45:29,445 INFO L276 IsEmpty]: Start isEmpty. Operand 12132 states and 43222 transitions. [2022-01-18 12:45:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-01-18 12:45:29,478 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:29,480 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:29,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-18 12:45:29,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-18 12:45:29,696 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:29,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1515237915, now seen corresponding path program 2 times [2022-01-18 12:45:29,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:29,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696771671] [2022-01-18 12:45:29,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:29,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:29,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:29,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696771671] [2022-01-18 12:45:29,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696771671] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:29,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453526445] [2022-01-18 12:45:29,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 12:45:29,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:45:29,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:45:29,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 12:45:30,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 12:45:30,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:45:30,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:45:30,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:45:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:30,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:45:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:31,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453526445] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:45:31,003 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:45:31,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2022-01-18 12:45:31,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735981816] [2022-01-18 12:45:31,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:45:31,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-18 12:45:31,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:45:31,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-18 12:45:31,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2022-01-18 12:45:31,006 INFO L87 Difference]: Start difference. First operand 12132 states and 43222 transitions. Second operand has 20 states, 20 states have (on average 17.3) internal successors, (346), 20 states have internal predecessors, (346), 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) [2022-01-18 12:45:31,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:45:31,858 INFO L93 Difference]: Finished difference Result 34839 states and 126559 transitions. [2022-01-18 12:45:31,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 12:45:31,863 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 17.3) internal successors, (346), 20 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-01-18 12:45:31,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:45:32,010 INFO L225 Difference]: With dead ends: 34839 [2022-01-18 12:45:32,010 INFO L226 Difference]: Without dead ends: 34839 [2022-01-18 12:45:32,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=780, Unknown=0, NotChecked=0, Total=1056 [2022-01-18 12:45:32,012 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 1984 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 2486 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 12:45:32,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1984 Valid, 2486 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 12:45:32,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34839 states. [2022-01-18 12:45:32,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34839 to 12368. [2022-01-18 12:45:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12368 states, 12367 states have (on average 3.5705506590118863) internal successors, (44157), 12367 states have internal predecessors, (44157), 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) [2022-01-18 12:45:32,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12368 states to 12368 states and 44157 transitions. [2022-01-18 12:45:32,624 INFO L78 Accepts]: Start accepts. Automaton has 12368 states and 44157 transitions. Word has length 233 [2022-01-18 12:45:32,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:45:32,625 INFO L470 AbstractCegarLoop]: Abstraction has 12368 states and 44157 transitions. [2022-01-18 12:45:32,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 17.3) internal successors, (346), 20 states have internal predecessors, (346), 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) [2022-01-18 12:45:32,625 INFO L276 IsEmpty]: Start isEmpty. Operand 12368 states and 44157 transitions. [2022-01-18 12:45:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-01-18 12:45:32,658 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:32,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:32,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 12:45:32,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:32,876 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:32,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:32,877 INFO L85 PathProgramCache]: Analyzing trace with hash 395266089, now seen corresponding path program 3 times [2022-01-18 12:45:32,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:32,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745296850] [2022-01-18 12:45:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:32,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:33,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:33,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745296850] [2022-01-18 12:45:33,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745296850] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:33,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807799756] [2022-01-18 12:45:33,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 12:45:33,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:33,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:45:33,029 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:45:33,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 12:45:33,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-18 12:45:33,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:45:33,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:45:33,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:45:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:33,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:45:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:34,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807799756] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:45:34,127 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:45:34,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2022-01-18 12:45:34,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190959465] [2022-01-18 12:45:34,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:45:34,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-18 12:45:34,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:45:34,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-18 12:45:34,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-01-18 12:45:34,129 INFO L87 Difference]: Start difference. First operand 12368 states and 44157 transitions. Second operand has 19 states, 19 states have (on average 18.05263157894737) internal successors, (343), 19 states have internal predecessors, (343), 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) [2022-01-18 12:45:35,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:45:35,005 INFO L93 Difference]: Finished difference Result 36734 states and 133468 transitions. [2022-01-18 12:45:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 12:45:35,005 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 18.05263157894737) internal successors, (343), 19 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-01-18 12:45:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:45:35,135 INFO L225 Difference]: With dead ends: 36734 [2022-01-18 12:45:35,136 INFO L226 Difference]: Without dead ends: 36734 [2022-01-18 12:45:35,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 457 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2022-01-18 12:45:35,137 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 1263 mSDsluCounter, 2169 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 12:45:35,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1263 Valid, 2408 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 12:45:35,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36734 states. [2022-01-18 12:45:35,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36734 to 12368. [2022-01-18 12:45:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12368 states, 12367 states have (on average 3.5705506590118863) internal successors, (44157), 12367 states have internal predecessors, (44157), 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) [2022-01-18 12:45:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12368 states to 12368 states and 44157 transitions. [2022-01-18 12:45:35,778 INFO L78 Accepts]: Start accepts. Automaton has 12368 states and 44157 transitions. Word has length 233 [2022-01-18 12:45:35,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:45:35,778 INFO L470 AbstractCegarLoop]: Abstraction has 12368 states and 44157 transitions. [2022-01-18 12:45:35,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 18.05263157894737) internal successors, (343), 19 states have internal predecessors, (343), 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) [2022-01-18 12:45:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 12368 states and 44157 transitions. [2022-01-18 12:45:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-01-18 12:45:35,804 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:35,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:35,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-18 12:45:36,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:36,005 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:36,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:36,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1100980971, now seen corresponding path program 4 times [2022-01-18 12:45:36,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:36,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667026710] [2022-01-18 12:45:36,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:36,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-18 12:45:36,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:36,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667026710] [2022-01-18 12:45:36,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667026710] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:36,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12695110] [2022-01-18 12:45:36,151 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-18 12:45:36,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:36,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:45:36,152 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:45:36,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 12:45:36,462 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-18 12:45:36,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:45:36,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:45:36,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:45:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-18 12:45:36,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:45:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-18 12:45:37,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12695110] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:37,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:45:37,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-01-18 12:45:37,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965624003] [2022-01-18 12:45:37,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:45:37,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 12:45:37,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:45:37,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 12:45:37,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-01-18 12:45:37,339 INFO L87 Difference]: Start difference. First operand 12368 states and 44157 transitions. Second operand has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 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) [2022-01-18 12:45:37,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:45:37,570 INFO L93 Difference]: Finished difference Result 15647 states and 56189 transitions. [2022-01-18 12:45:37,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 12:45:37,571 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-01-18 12:45:37,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:45:37,616 INFO L225 Difference]: With dead ends: 15647 [2022-01-18 12:45:37,616 INFO L226 Difference]: Without dead ends: 15647 [2022-01-18 12:45:37,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2022-01-18 12:45:37,617 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 960 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:45:37,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [960 Valid, 965 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:45:37,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15647 states. [2022-01-18 12:45:37,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15647 to 12604. [2022-01-18 12:45:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12604 states, 12603 states have (on average 3.5731968578909785) internal successors, (45033), 12603 states have internal predecessors, (45033), 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) [2022-01-18 12:45:38,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12604 states to 12604 states and 45033 transitions. [2022-01-18 12:45:38,044 INFO L78 Accepts]: Start accepts. Automaton has 12604 states and 45033 transitions. Word has length 233 [2022-01-18 12:45:38,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:45:38,044 INFO L470 AbstractCegarLoop]: Abstraction has 12604 states and 45033 transitions. [2022-01-18 12:45:38,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 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) [2022-01-18 12:45:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12604 states and 45033 transitions. [2022-01-18 12:45:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-01-18 12:45:38,070 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:38,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:38,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-18 12:45:38,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:38,271 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:38,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:38,271 INFO L85 PathProgramCache]: Analyzing trace with hash -474756299, now seen corresponding path program 5 times [2022-01-18 12:45:38,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:38,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053893065] [2022-01-18 12:45:38,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:38,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-18 12:45:38,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:38,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053893065] [2022-01-18 12:45:38,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053893065] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:38,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762399210] [2022-01-18 12:45:38,415 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-18 12:45:38,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:38,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:45:38,417 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:45:38,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 12:45:38,543 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 12:45:38,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:45:38,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:45:38,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:45:38,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-18 12:45:38,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:45:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-18 12:45:39,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762399210] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:45:39,147 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:45:39,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 17 [2022-01-18 12:45:39,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367511793] [2022-01-18 12:45:39,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:45:39,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 12:45:39,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:45:39,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 12:45:39,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:45:39,148 INFO L87 Difference]: Start difference. First operand 12604 states and 45033 transitions. Second operand has 17 states, 17 states have (on average 22.88235294117647) internal successors, (389), 17 states have internal predecessors, (389), 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) [2022-01-18 12:45:40,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:45:40,677 INFO L93 Difference]: Finished difference Result 67545 states and 248365 transitions. [2022-01-18 12:45:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 12:45:40,678 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 22.88235294117647) internal successors, (389), 17 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-01-18 12:45:40,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:45:41,103 INFO L225 Difference]: With dead ends: 67545 [2022-01-18 12:45:41,103 INFO L226 Difference]: Without dead ends: 67545 [2022-01-18 12:45:41,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 458 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=603, Invalid=1749, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 12:45:41,105 INFO L933 BasicCegarLoop]: 374 mSDtfsCounter, 1624 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 12:45:41,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1624 Valid, 3121 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 12:45:41,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67545 states. [2022-01-18 12:45:41,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67545 to 12663. [2022-01-18 12:45:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12663 states, 12662 states have (on average 3.5831622176591376) internal successors, (45370), 12662 states have internal predecessors, (45370), 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) [2022-01-18 12:45:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12663 states to 12663 states and 45370 transitions. [2022-01-18 12:45:41,836 INFO L78 Accepts]: Start accepts. Automaton has 12663 states and 45370 transitions. Word has length 233 [2022-01-18 12:45:41,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:45:41,837 INFO L470 AbstractCegarLoop]: Abstraction has 12663 states and 45370 transitions. [2022-01-18 12:45:41,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 22.88235294117647) internal successors, (389), 17 states have internal predecessors, (389), 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) [2022-01-18 12:45:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 12663 states and 45370 transitions. [2022-01-18 12:45:41,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-01-18 12:45:41,865 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:41,865 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:41,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-18 12:45:42,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:42,084 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:42,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:42,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1435747705, now seen corresponding path program 6 times [2022-01-18 12:45:42,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:42,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111223107] [2022-01-18 12:45:42,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:42,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-18 12:45:42,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:42,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111223107] [2022-01-18 12:45:42,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111223107] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:42,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746037932] [2022-01-18 12:45:42,204 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-18 12:45:42,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:42,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:45:42,208 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:45:42,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-18 12:45:42,333 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-18 12:45:42,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:45:42,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-18 12:45:42,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:45:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 12:45:42,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 12:45:42,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746037932] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:45:42,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 12:45:42,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2022-01-18 12:45:42,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570170914] [2022-01-18 12:45:42,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:45:42,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 12:45:42,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:45:42,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 12:45:42,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2022-01-18 12:45:42,674 INFO L87 Difference]: Start difference. First operand 12663 states and 45370 transitions. Second operand has 8 states, 8 states have (on average 29.125) internal successors, (233), 8 states have internal predecessors, (233), 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) [2022-01-18 12:45:42,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:45:42,959 INFO L93 Difference]: Finished difference Result 28041 states and 101959 transitions. [2022-01-18 12:45:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 12:45:42,960 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 29.125) internal successors, (233), 8 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-01-18 12:45:42,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:45:43,038 INFO L225 Difference]: With dead ends: 28041 [2022-01-18 12:45:43,038 INFO L226 Difference]: Without dead ends: 27492 [2022-01-18 12:45:43,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2022-01-18 12:45:43,039 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 198 mSDsluCounter, 1616 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:45:43,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 1915 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:45:43,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27492 states. [2022-01-18 12:45:43,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27492 to 12604. [2022-01-18 12:45:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12604 states, 12603 states have (on average 3.5731968578909785) internal successors, (45033), 12603 states have internal predecessors, (45033), 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) [2022-01-18 12:45:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12604 states to 12604 states and 45033 transitions. [2022-01-18 12:45:43,584 INFO L78 Accepts]: Start accepts. Automaton has 12604 states and 45033 transitions. Word has length 233 [2022-01-18 12:45:43,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:45:43,585 INFO L470 AbstractCegarLoop]: Abstraction has 12604 states and 45033 transitions. [2022-01-18 12:45:43,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.125) internal successors, (233), 8 states have internal predecessors, (233), 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) [2022-01-18 12:45:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 12604 states and 45033 transitions. [2022-01-18 12:45:43,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-01-18 12:45:43,613 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:45:43,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:45:43,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-18 12:45:43,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:43,834 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:45:43,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:45:43,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1629631454, now seen corresponding path program 1 times [2022-01-18 12:45:43,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:45:43,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328654779] [2022-01-18 12:45:43,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:43,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:45:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:45:47,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:45:47,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328654779] [2022-01-18 12:45:47,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328654779] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:45:47,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086765933] [2022-01-18 12:45:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:45:47,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:45:47,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:45:47,732 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:45:47,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-18 12:45:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:45:47,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 146 conjunts are in the unsatisfiable core [2022-01-18 12:45:47,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:45:47,978 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 12:45:48,043 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 12:45:48,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-01-18 12:45:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:48,893 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2022-01-18 12:45:49,331 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 12:45:50,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:50,557 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-18 12:45:50,557 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2022-01-18 12:45:51,060 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 12:45:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:52,570 INFO L353 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-01-18 12:45:52,570 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 45 [2022-01-18 12:45:53,231 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 12:45:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:55,363 INFO L353 Elim1Store]: treesize reduction 12, result has 63.6 percent of original size [2022-01-18 12:45:55,363 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 40 [2022-01-18 12:45:55,956 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 12:45:57,694 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 12:45:59,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:59,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:45:59,030 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 34 [2022-01-18 12:45:59,951 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2022-01-18 12:46:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:46:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:46:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:46:00,820 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-01-18 12:46:01,542 INFO L353 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-01-18 12:46:01,543 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 60 [2022-01-18 12:46:02,540 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:46:06,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-18 12:46:06,388 INFO L353 Elim1Store]: treesize reduction 22, result has 24.1 percent of original size [2022-01-18 12:46:06,388 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 23 [2022-01-18 12:46:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 12:46:06,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:47:51,614 INFO L353 Elim1Store]: treesize reduction 23, result has 60.3 percent of original size [2022-01-18 12:47:51,615 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1411 treesize of output 550 [2022-01-18 12:47:51,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-18 12:47:51,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-18 12:47:51,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-18 12:57:10,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:59:15,623 WARN L228 SmtUtils]: Spent 2.07m on a formula simplification. DAG size of input: 40 DAG size of output: 29 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-18 12:59:15,623 INFO L353 Elim1Store]: treesize reduction 43, result has 51.1 percent of original size [2022-01-18 12:59:15,709 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 243388514320 treesize of output 230605848628 Received shutdown request... [2022-01-18 12:59:32,750 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 12:59:32,750 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 12:59:32,954 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-01-18 12:59:32,956 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-18 12:59:32,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-18 12:59:33,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-01-18 12:59:33,180 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 243 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-01-18 12:59:33,181 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-18 12:59:33,181 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-18 12:59:33,181 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-18 12:59:33,183 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1] [2022-01-18 12:59:33,185 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 12:59:33,185 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 12:59:33,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 12:59:33 BasicIcfg [2022-01-18 12:59:33,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 12:59:33,187 INFO L158 Benchmark]: Toolchain (without parser) took 853332.09ms. Allocated memory was 360.7MB in the beginning and 8.3GB in the end (delta: 7.9GB). Free memory was 307.1MB in the beginning and 7.3GB in the end (delta: -6.9GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. [2022-01-18 12:59:33,187 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 360.7MB. Free memory is still 324.5MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 12:59:33,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.16ms. Allocated memory is still 360.7MB. Free memory was 307.0MB in the beginning and 332.5MB in the end (delta: -25.5MB). Peak memory consumption was 17.1MB. Max. memory is 16.0GB. [2022-01-18 12:59:33,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.42ms. Allocated memory is still 360.7MB. Free memory was 332.5MB in the beginning and 329.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2022-01-18 12:59:33,188 INFO L158 Benchmark]: Boogie Preprocessor took 28.96ms. Allocated memory is still 360.7MB. Free memory was 329.3MB in the beginning and 328.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 12:59:33,188 INFO L158 Benchmark]: RCFGBuilder took 482.19ms. Allocated memory is still 360.7MB. Free memory was 328.3MB in the beginning and 307.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2022-01-18 12:59:33,188 INFO L158 Benchmark]: TraceAbstraction took 852501.17ms. Allocated memory was 360.7MB in the beginning and 8.3GB in the end (delta: 7.9GB). Free memory was 306.3MB in the beginning and 7.3GB in the end (delta: -6.9GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. [2022-01-18 12:59:33,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 360.7MB. Free memory is still 324.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 284.16ms. Allocated memory is still 360.7MB. Free memory was 307.0MB in the beginning and 332.5MB in the end (delta: -25.5MB). Peak memory consumption was 17.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 31.42ms. Allocated memory is still 360.7MB. Free memory was 332.5MB in the beginning and 329.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 28.96ms. Allocated memory is still 360.7MB. Free memory was 329.3MB in the beginning and 328.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 482.19ms. Allocated memory is still 360.7MB. Free memory was 328.3MB in the beginning and 307.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 852501.17ms. Allocated memory was 360.7MB in the beginning and 8.3GB in the end (delta: 7.9GB). Free memory was 306.3MB in the beginning and 7.3GB in the end (delta: -6.9GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 243 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 243 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 243 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 243 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 312 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 852.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.4s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9193 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9193 mSDsluCounter, 15093 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12867 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4991 IncrementalHoareTripleChecker+Invalid, 5164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 2689 mSDtfsCounter, 4991 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3176 GetRequests, 2957 SyntacticMatches, 12 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12663occurred in iteration=8, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 129789 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 3644 NumberOfCodeBlocks, 3593 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5011 ConstructedInterpolants, 0 QuantifiedInterpolants, 12057 SizeOfPredicates, 55 NumberOfNonLiveVariables, 3475 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 22 InterpolantComputations, 5 PerfectInterpolantSequences, 79/97 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown