/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/parallel/min-max-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 17:03:39,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 17:03:39,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 17:03:39,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-06 17:03:39,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-06 17:03:39,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-06 17:03:39,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-06 17:03:39,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-06 17:03:39,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-06 17:03:39,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-06 17:03:39,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-06 17:03:39,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-06 17:03:39,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 17:03:39,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 17:03:39,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 17:03:39,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 17:03:39,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 17:03:39,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 17:03:39,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 17:03:39,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 17:03:39,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 17:03:39,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 17:03:39,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 17:03:39,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 17:03:39,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-06 17:03:39,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-06 17:03:39,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-06 17:03:39,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-06 17:03:39,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-06 17:03:39,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-06 17:03:39,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 17:03:39,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 17:03:39,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 17:03:39,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 17:03:39,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 17:03:39,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 17:03:39,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 17:03:39,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 17:03:39,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 17:03:39,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 17:03:39,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 17:03:39,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-06 17:03:39,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 17:03:39,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 17:03:39,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 17:03:39,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 17:03:39,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 17:03:39,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 17:03:39,989 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 17:03:39,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 17:03:39,990 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 17:03:39,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 17:03:39,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 17:03:39,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 17:03:39,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 17:03:39,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 17:03:39,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 17:03:39,992 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 17:03:39,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 17:03:39,992 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 17:03:39,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 17:03:39,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 17:03:39,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 17:03:39,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-06 17:03:39,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 17:03:39,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 17:03:39,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 17:03:39,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 17:03:39,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 17:03:39,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 17:03:39,994 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-06 17:03:39,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 17:03:39,995 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-06 17:03:39,995 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-06 17:03:39,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 17:03:39,996 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-06 17:03:39,996 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-06 17:03:39,996 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-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 17:03:40,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 17:03:40,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 17:03:40,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 17:03:40,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 17:03:40,466 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 17:03:40,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel/min-max-2.wvr.c [2021-10-06 17:03:40,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/572f00507/42335295db2c42c48727750fbdcead39/FLAGa6b3e0ecf [2021-10-06 17:03:41,277 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 17:03:41,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/min-max-2.wvr.c [2021-10-06 17:03:41,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/572f00507/42335295db2c42c48727750fbdcead39/FLAGa6b3e0ecf [2021-10-06 17:03:41,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/572f00507/42335295db2c42c48727750fbdcead39 [2021-10-06 17:03:41,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 17:03:41,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 17:03:41,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 17:03:41,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 17:03:41,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 17:03:41,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 05:03:41" (1/1) ... [2021-10-06 17:03:41,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b42ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:41, skipping insertion in model container [2021-10-06 17:03:41,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 05:03:41" (1/1) ... [2021-10-06 17:03:41,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 17:03:41,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 17:03:42,013 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/min-max-2.wvr.c[3015,3028] [2021-10-06 17:03:42,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 17:03:42,046 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 17:03:42,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/min-max-2.wvr.c[3015,3028] [2021-10-06 17:03:42,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 17:03:42,099 INFO L208 MainTranslator]: Completed translation [2021-10-06 17:03:42,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42 WrapperNode [2021-10-06 17:03:42,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 17:03:42,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 17:03:42,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 17:03:42,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 17:03:42,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 17:03:42,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 17:03:42,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 17:03:42,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 17:03:42,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 17:03:42,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 17:03:42,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 17:03:42,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 17:03:42,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (1/1) ... [2021-10-06 17:03:42,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 17:03:42,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:03:42,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 17:03:42,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 17:03:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 17:03:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 17:03:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 17:03:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 17:03:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 17:03:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 17:03:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 17:03:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 17:03:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 17:03:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-06 17:03:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-06 17:03:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 17:03:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-06 17:03:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-06 17:03:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-06 17:03:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 17:03:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 17:03:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 17:03:42,373 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 17:03:43,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 17:03:43,084 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-10-06 17:03:43,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 05:03:43 BoogieIcfgContainer [2021-10-06 17:03:43,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 17:03:43,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 17:03:43,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 17:03:43,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 17:03:43,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 05:03:41" (1/3) ... [2021-10-06 17:03:43,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702d2187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 05:03:43, skipping insertion in model container [2021-10-06 17:03:43,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 05:03:42" (2/3) ... [2021-10-06 17:03:43,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702d2187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 05:03:43, skipping insertion in model container [2021-10-06 17:03:43,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 05:03:43" (3/3) ... [2021-10-06 17:03:43,103 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-2.wvr.c [2021-10-06 17:03:43,111 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 17:03:43,111 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 17:03:43,111 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-06 17:03:43,111 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 17:03:43,178 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,178 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,178 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,179 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,179 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,179 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,181 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,181 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,182 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,182 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,182 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,182 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,183 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,183 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,184 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,186 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,186 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,187 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,187 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,187 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,187 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,187 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,188 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,188 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,189 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,189 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,189 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,189 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,190 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,190 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,191 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,191 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,192 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,192 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,192 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,194 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,195 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,196 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,196 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,196 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,196 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,197 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,197 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,197 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,198 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,198 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,205 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,205 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,205 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,205 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,206 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,206 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,206 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,207 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,208 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,208 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,209 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,209 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,209 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,210 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,210 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,210 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,210 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,211 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,211 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,211 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,215 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,215 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,216 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,216 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,237 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,237 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,239 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,240 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,240 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,243 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,243 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,244 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,246 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 17:03:43,269 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-10-06 17:03:43,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-06 17:03:43,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:03:43,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-06 17:03:43,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-06 17:03:43,375 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-06 17:03:43,391 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-10-06 17:03:43,392 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-06 17:03:43,802 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:43,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:43,814 INFO L82 PathProgramCache]: Analyzing trace with hash -842300779, now seen corresponding path program 1 times [2021-10-06 17:03:43,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:43,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414255430] [2021-10-06 17:03:43,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:43,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:44,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:44,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414255430] [2021-10-06 17:03:44,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414255430] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:44,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:03:44,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 17:03:44,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079568786] [2021-10-06 17:03:44,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-06 17:03:44,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:44,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-06 17:03:44,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 17:03:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:44,213 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:44,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.0) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:44,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:44,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 17:03:44,247 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:44,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:44,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1804883928, now seen corresponding path program 1 times [2021-10-06 17:03:44,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:44,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666788768] [2021-10-06 17:03:44,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:44,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:45,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:45,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666788768] [2021-10-06 17:03:45,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666788768] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:45,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:03:45,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-10-06 17:03:45,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605650166] [2021-10-06 17:03:45,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-06 17:03:45,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:45,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-06 17:03:45,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-10-06 17:03:45,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:45,163 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:45,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.529411764705882) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:45,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:47,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:47,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-06 17:03:47,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-06 17:03:47,295 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:47,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:47,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1407824164, now seen corresponding path program 1 times [2021-10-06 17:03:47,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:47,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724596806] [2021-10-06 17:03:47,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:47,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:47,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:47,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724596806] [2021-10-06 17:03:47,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724596806] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:47,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:03:47,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-06 17:03:47,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688516219] [2021-10-06 17:03:47,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-06 17:03:47,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:47,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-06 17:03:47,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-06 17:03:47,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:47,831 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:47,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:47,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:47,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-06 17:03:47,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:49,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:49,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:49,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:49,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-06 17:03:49,734 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:49,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:49,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1350201632, now seen corresponding path program 2 times [2021-10-06 17:03:49,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:49,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602388239] [2021-10-06 17:03:49,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:49,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:50,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:50,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602388239] [2021-10-06 17:03:50,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602388239] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:50,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:03:50,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-06 17:03:50,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119040077] [2021-10-06 17:03:50,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-06 17:03:50,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:50,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-06 17:03:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-06 17:03:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:50,061 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:50,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:50,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:50,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:50,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:50,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:50,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-06 17:03:50,783 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:50,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:50,784 INFO L82 PathProgramCache]: Analyzing trace with hash 201859106, now seen corresponding path program 3 times [2021-10-06 17:03:50,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:50,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231067155] [2021-10-06 17:03:50,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:50,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:51,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:51,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231067155] [2021-10-06 17:03:51,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231067155] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:51,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:03:51,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-10-06 17:03:51,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556545893] [2021-10-06 17:03:51,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-06 17:03:51,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:51,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-06 17:03:51,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-10-06 17:03:51,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:51,131 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:51,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.529411764705882) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:51,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:51,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:51,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:51,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:51,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:03:51,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-06 17:03:51,625 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:51,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:51,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1252045242, now seen corresponding path program 4 times [2021-10-06 17:03:51,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:51,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114338049] [2021-10-06 17:03:51,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:51,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:52,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:52,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114338049] [2021-10-06 17:03:52,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114338049] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:52,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:03:52,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-06 17:03:52,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994109389] [2021-10-06 17:03:52,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-06 17:03:52,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:52,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-06 17:03:52,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-10-06 17:03:52,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:52,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:52,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.631578947368421) internal successors, (145), 19 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:52,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:03:52,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:52,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:52,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:03:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 17:03:52,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-06 17:03:52,917 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:52,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:52,917 INFO L82 PathProgramCache]: Analyzing trace with hash 522598524, now seen corresponding path program 5 times [2021-10-06 17:03:52,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:52,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113784292] [2021-10-06 17:03:52,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:52,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:53,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:53,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113784292] [2021-10-06 17:03:53,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113784292] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:53,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:03:53,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-06 17:03:53,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926629663] [2021-10-06 17:03:53,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-06 17:03:53,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:53,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-06 17:03:53,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-06 17:03:53,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:53,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:53,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 20 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:53,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:53,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:53,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:03:53,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 17:03:53,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:54,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:54,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:03:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 17:03:54,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-06 17:03:54,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-06 17:03:54,619 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:54,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:54,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1633876060, now seen corresponding path program 1 times [2021-10-06 17:03:54,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:54,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877089609] [2021-10-06 17:03:54,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:54,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:54,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:54,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877089609] [2021-10-06 17:03:54,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877089609] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:54,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:03:54,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-06 17:03:54,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042901973] [2021-10-06 17:03:54,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-06 17:03:54,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:54,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-06 17:03:54,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-06 17:03:54,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:54,949 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:54,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:54,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:54,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:54,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:54,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:54,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:03:54,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 17:03:54,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-06 17:03:54,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:03:55,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 17:03:55,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-06 17:03:55,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:55,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-06 17:03:55,727 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:55,727 INFO L82 PathProgramCache]: Analyzing trace with hash 489574367, now seen corresponding path program 1 times [2021-10-06 17:03:55,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:55,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741439869] [2021-10-06 17:03:55,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:55,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:56,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:56,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741439869] [2021-10-06 17:03:56,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741439869] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:03:56,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291843123] [2021-10-06 17:03:56,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:56,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:03:56,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:03:56,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:03:56,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-06 17:03:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:56,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-06 17:03:56,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:03:57,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:57,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291843123] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:57,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 17:03:57,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [25] total 29 [2021-10-06 17:03:57,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871994678] [2021-10-06 17:03:57,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 17:03:57,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:57,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 17:03:57,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2021-10-06 17:03:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:57,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:57,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-06 17:03:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 17:03:57,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-06 17:03:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:57,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-06 17:03:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:03:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:03:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 17:03:59,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-06 17:03:59,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:03:59,414 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:03:59,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:03:59,415 INFO L82 PathProgramCache]: Analyzing trace with hash -736647632, now seen corresponding path program 1 times [2021-10-06 17:03:59,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:03:59,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049169076] [2021-10-06 17:03:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:03:59,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:03:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:03:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:03:59,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:03:59,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049169076] [2021-10-06 17:03:59,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049169076] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:03:59,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:03:59,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-06 17:03:59,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184923669] [2021-10-06 17:03:59,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 17:03:59,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:03:59,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 17:03:59,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-06 17:03:59,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:59,610 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:03:59,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:03:59,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:03:59,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:03:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:03:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-06 17:03:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:03:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:03:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:03:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 17:03:59,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:04:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:04:21,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:21,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 17:04:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 17:04:21,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-06 17:04:21,840 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:04:21,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:04:21,841 INFO L82 PathProgramCache]: Analyzing trace with hash 257004153, now seen corresponding path program 2 times [2021-10-06 17:04:21,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:04:21,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621864956] [2021-10-06 17:04:21,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:21,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:04:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:04:22,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:04:22,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621864956] [2021-10-06 17:04:22,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621864956] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:04:22,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:04:22,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-06 17:04:22,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127418417] [2021-10-06 17:04:22,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-06 17:04:22,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:04:22,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-06 17:04:22,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-06 17:04:22,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:22,023 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:04:22,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:04:22,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:22,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:04:22,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:22,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:22,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:04:22,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:22,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:22,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:22,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 17:04:22,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 17:04:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:23,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:23,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:23,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:23,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:23,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:23,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:23,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 17:04:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:04:23,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-06 17:04:23,496 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:04:23,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:04:23,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1649984730, now seen corresponding path program 6 times [2021-10-06 17:04:23,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:04:23,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584692059] [2021-10-06 17:04:23,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:23,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:04:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:04:23,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:04:23,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584692059] [2021-10-06 17:04:23,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584692059] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:04:23,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:04:23,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-06 17:04:23,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845341120] [2021-10-06 17:04:23,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-06 17:04:23,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:04:23,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-06 17:04:23,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-06 17:04:23,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:23,657 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:04:23,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:04:23,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:23,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:23,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:23,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:23,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:23,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:23,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:23,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:23,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:23,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 17:04:23,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 17:04:23,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:25,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-06 17:04:25,005 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:04:25,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:04:25,006 INFO L82 PathProgramCache]: Analyzing trace with hash 865185122, now seen corresponding path program 1 times [2021-10-06 17:04:25,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:04:25,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734634693] [2021-10-06 17:04:25,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:25,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:04:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:04:25,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:04:25,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734634693] [2021-10-06 17:04:25,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734634693] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:25,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588273459] [2021-10-06 17:04:25,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:25,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:04:25,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:04:25,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:04:25,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-06 17:04:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:25,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-06 17:04:25,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:04:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:04:26,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588273459] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:26,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:04:26,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-10-06 17:04:26,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522887596] [2021-10-06 17:04:26,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-06 17:04:26,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:04:26,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-06 17:04:26,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-10-06 17:04:26,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:26,110 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:04:26,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.882352941176471) internal successors, (202), 17 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:04:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:26,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:26,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-06 17:04:27,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-06 17:04:27,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:04:27,546 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:04:27,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:04:27,547 INFO L82 PathProgramCache]: Analyzing trace with hash 301764704, now seen corresponding path program 1 times [2021-10-06 17:04:27,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:04:27,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851848675] [2021-10-06 17:04:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:27,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:04:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:27,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:04:27,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:04:27,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851848675] [2021-10-06 17:04:27,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851848675] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 17:04:27,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 17:04:27,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-06 17:04:27,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400239007] [2021-10-06 17:04:27,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 17:04:27,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:04:27,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 17:04:27,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-06 17:04:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:27,652 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:04:27,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:04:27,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:27,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:27,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:27,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:27,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:27,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-06 17:04:27,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:27,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:27,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:27,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:27,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-06 17:04:27,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:27,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-06 17:04:27,805 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:04:27,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:04:27,805 INFO L82 PathProgramCache]: Analyzing trace with hash 161053939, now seen corresponding path program 1 times [2021-10-06 17:04:27,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:04:27,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576445594] [2021-10-06 17:04:27,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:27,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:04:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 17:04:27,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:04:27,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576445594] [2021-10-06 17:04:27,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576445594] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:27,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023634449] [2021-10-06 17:04:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:27,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:04:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:04:27,956 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:04:27,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-06 17:04:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:28,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-06 17:04:28,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:04:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 17:04:28,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023634449] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:28,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:04:28,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-10-06 17:04:28,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063983754] [2021-10-06 17:04:28,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-06 17:04:28,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:04:28,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-06 17:04:28,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-06 17:04:28,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:28,755 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:04:28,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 24.2) internal successors, (242), 10 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:04:28,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:28,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:28,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:28,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:28,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:28,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:28,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:28,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:28,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:28,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:28,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:28,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:28,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-06 17:04:28,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:28,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:28,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-06 17:04:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:29,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-06 17:04:29,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-06 17:04:29,175 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:04:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:04:29,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1406402553, now seen corresponding path program 1 times [2021-10-06 17:04:29,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:04:29,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644952564] [2021-10-06 17:04:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:29,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:04:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 17:04:29,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:04:29,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644952564] [2021-10-06 17:04:29,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644952564] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:29,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775042031] [2021-10-06 17:04:29,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:29,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:04:29,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:04:29,543 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:04:29,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-06 17:04:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:30,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-06 17:04:30,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:04:31,303 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-06 17:04:31,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 23 [2021-10-06 17:04:31,365 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-06 17:04:31,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-10-06 17:04:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:04:31,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775042031] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:31,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:04:31,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22] total 39 [2021-10-06 17:04:31,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034145271] [2021-10-06 17:04:31,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-10-06 17:04:31,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:04:31,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-10-06 17:04:31,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1372, Unknown=0, NotChecked=0, Total=1482 [2021-10-06 17:04:31,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:31,932 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:04:31,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.897435897435898) internal successors, (308), 39 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:04:31,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:31,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:31,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:31,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:31,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:31,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:31,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:31,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:31,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:31,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:31,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:31,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:31,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-06 17:04:31,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:31,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:31,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:04:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:36,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-06 17:04:36,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-06 17:04:36,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-06 17:04:36,975 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:04:36,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:04:36,976 INFO L82 PathProgramCache]: Analyzing trace with hash -488312740, now seen corresponding path program 1 times [2021-10-06 17:04:36,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:04:36,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292084794] [2021-10-06 17:04:36,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:36,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:04:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 17:04:37,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:04:37,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292084794] [2021-10-06 17:04:37,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292084794] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:37,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620360203] [2021-10-06 17:04:37,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:37,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:04:37,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:04:37,124 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:04:37,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-06 17:04:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:37,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-06 17:04:37,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:04:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:04:38,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620360203] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:38,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:04:38,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2021-10-06 17:04:38,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832766829] [2021-10-06 17:04:38,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-06 17:04:38,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:04:38,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-06 17:04:38,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2021-10-06 17:04:38,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:38,262 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:04:38,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 18.0) internal successors, (306), 17 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:04:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:38,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:38,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:38,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:38,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:38,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:38,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:38,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:04:38,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:38,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:38,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-06 17:04:38,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:39,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:04:39,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-06 17:04:39,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-06 17:04:40,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-06 17:04:40,029 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:04:40,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:04:40,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1988837736, now seen corresponding path program 1 times [2021-10-06 17:04:40,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:04:40,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584842081] [2021-10-06 17:04:40,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:40,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:04:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-06 17:04:40,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:04:40,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584842081] [2021-10-06 17:04:40,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584842081] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:40,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047107723] [2021-10-06 17:04:40,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:40,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:04:40,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:04:40,206 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:04:40,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-06 17:04:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:40,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-06 17:04:40,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:04:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 17:04:41,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047107723] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:41,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:04:41,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-10-06 17:04:41,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889660403] [2021-10-06 17:04:41,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-06 17:04:41,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:04:41,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-06 17:04:41,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-06 17:04:41,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:41,699 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:04:41,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 19.866666666666667) internal successors, (298), 15 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:04:41,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:41,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:41,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:41,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:41,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:41,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:41,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:04:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:04:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-06 17:04:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:04:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:04:44,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-06 17:04:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 17:04:44,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-06 17:04:44,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-06 17:04:44,327 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:04:44,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:04:44,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1926090867, now seen corresponding path program 2 times [2021-10-06 17:04:44,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:04:44,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316421095] [2021-10-06 17:04:44,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:04:44,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:04:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:04:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-06 17:04:44,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:04:44,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316421095] [2021-10-06 17:04:44,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316421095] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:44,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399857265] [2021-10-06 17:04:44,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 17:04:44,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:04:44,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:04:44,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:04:44,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-06 17:04:45,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 17:04:45,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:04:45,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-06 17:04:45,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:04:45,771 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 17:04:45,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399857265] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:04:45,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:04:45,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-10-06 17:04:45,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104183593] [2021-10-06 17:04:45,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-06 17:04:45,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:04:45,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-06 17:04:45,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-10-06 17:04:45,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:45,775 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:04:45,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 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) [2021-10-06 17:04:45,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:04:45,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:04:45,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:45,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:04:45,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:04:45,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:04:45,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:04:45,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-06 17:04:45,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 17:04:45,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:01,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:05:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:05:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:05:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:05:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:05:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:05:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:05:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-06 17:05:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-06 17:05:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-06 17:05:01,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-06 17:05:01,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-06 17:05:02,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:05:02,022 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:05:02,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:05:02,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1839037524, now seen corresponding path program 3 times [2021-10-06 17:05:02,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:05:02,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413782349] [2021-10-06 17:05:02,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:05:02,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:05:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:05:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 40 proven. 17 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-06 17:05:02,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:05:02,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413782349] [2021-10-06 17:05:02,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413782349] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:05:02,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031420121] [2021-10-06 17:05:02,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-06 17:05:02,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:05:02,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:05:02,181 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:05:02,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-06 17:05:02,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-06 17:05:02,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:05:02,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-06 17:05:02,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:05:03,967 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-06 17:05:03,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 23 [2021-10-06 17:05:04,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-10-06 17:05:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-06 17:05:04,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031420121] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:05:04,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:05:04,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 22] total 28 [2021-10-06 17:05:04,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423891918] [2021-10-06 17:05:04,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-06 17:05:04,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:05:04,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-06 17:05:04,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2021-10-06 17:05:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:04,298 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:05:04,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.964285714285714) internal successors, (335), 28 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:05:04,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:04,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:05:04,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:04,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:05:04,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:05:04,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:05:04,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:05:04,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:04,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:04,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-06 17:05:04,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:05:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:05:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:05:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:05:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:05:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-06 17:05:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:05:06,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:05:06,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-06 17:05:07,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:05:07,007 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:05:07,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:05:07,009 INFO L82 PathProgramCache]: Analyzing trace with hash -5878170, now seen corresponding path program 1 times [2021-10-06 17:05:07,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:05:07,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725464147] [2021-10-06 17:05:07,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:05:07,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:05:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:05:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 17:05:07,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:05:07,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725464147] [2021-10-06 17:05:07,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725464147] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:05:07,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790936610] [2021-10-06 17:05:07,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:05:07,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:05:07,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:05:07,433 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:05:07,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-06 17:05:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:05:08,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-06 17:05:08,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:05:09,747 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-06 17:05:09,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 23 [2021-10-06 17:05:09,872 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-06 17:05:09,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2021-10-06 17:05:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:05:10,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790936610] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:05:10,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:05:10,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 49 [2021-10-06 17:05:10,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519304266] [2021-10-06 17:05:10,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-10-06 17:05:10,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:05:10,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-10-06 17:05:10,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2215, Unknown=0, NotChecked=0, Total=2352 [2021-10-06 17:05:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:10,982 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:05:10,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.959183673469388) internal successors, (341), 49 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:05:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:05:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:05:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:05:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:05:10,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-06 17:05:10,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:05:10,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:05:10,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:42,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:05:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:05:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:05:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:05:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:05:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:05:42,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:05:42,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-06 17:05:42,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-06 17:05:42,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-06 17:05:42,597 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:05:42,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:05:42,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1663628517, now seen corresponding path program 1 times [2021-10-06 17:05:42,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:05:42,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436085852] [2021-10-06 17:05:42,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:05:42,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:05:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:05:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 17:05:43,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:05:43,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436085852] [2021-10-06 17:05:43,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436085852] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:05:43,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082314591] [2021-10-06 17:05:43,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:05:43,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:05:43,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:05:43,052 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:05:43,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-06 17:05:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:05:43,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-06 17:05:43,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:05:44,529 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-10-06 17:05:44,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2021-10-06 17:05:45,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-10-06 17:05:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:05:45,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082314591] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:05:45,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:05:45,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 42 [2021-10-06 17:05:45,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670997611] [2021-10-06 17:05:45,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-10-06 17:05:45,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:05:45,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-10-06 17:05:45,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1598, Unknown=0, NotChecked=0, Total=1722 [2021-10-06 17:05:45,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:45,343 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:05:45,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.214285714285714) internal successors, (303), 42 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:05:45,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:45,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:05:45,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:45,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:05:45,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:05:45,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:05:45,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:05:45,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:45,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:45,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:45,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:45,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:45,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:05:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:05:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:05:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:05:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:05:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:05:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:05:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-10-06 17:05:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:58,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:05:58,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:05:58,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:05:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:05:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:05:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:05:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:05:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:05:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:05:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:05:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-06 17:05:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-06 17:05:58,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-06 17:05:58,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:05:58,878 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:05:58,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:05:58,880 INFO L82 PathProgramCache]: Analyzing trace with hash -210476889, now seen corresponding path program 2 times [2021-10-06 17:05:58,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:05:58,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568534310] [2021-10-06 17:05:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:05:58,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:05:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:06:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 17:06:00,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:06:00,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568534310] [2021-10-06 17:06:00,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568534310] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:06:00,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34425596] [2021-10-06 17:06:00,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 17:06:00,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:06:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:06:00,668 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:06:00,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-06 17:06:01,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 17:06:01,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:06:01,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-06 17:06:01,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:06:02,168 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-06 17:06:02,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 23 [2021-10-06 17:06:02,421 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-06 17:06:02,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2021-10-06 17:06:03,384 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-06 17:06:03,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2021-10-06 17:06:03,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-10-06 17:06:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 17:06:03,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34425596] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:06:03,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:06:03,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 26] total 58 [2021-10-06 17:06:03,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136950769] [2021-10-06 17:06:03,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-10-06 17:06:03,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:06:03,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-10-06 17:06:03,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=3137, Unknown=0, NotChecked=0, Total=3306 [2021-10-06 17:06:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:06:03,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:06:03,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.189655172413793) internal successors, (301), 58 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:06:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:06:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:06:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:06:03,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:06:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:06:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:06:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:06:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:06:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:06:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:06:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:06:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:06:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:06:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:06:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:06:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:06:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-06 17:06:03,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-06 17:06:03,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-06 17:06:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-10-06 17:06:21,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-10-06 17:06:21,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-06 17:06:21,191 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:06:21,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:06:21,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1421800241, now seen corresponding path program 3 times [2021-10-06 17:06:21,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:06:21,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120454782] [2021-10-06 17:06:21,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:06:21,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:06:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:06:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:06:23,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:06:23,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120454782] [2021-10-06 17:06:23,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120454782] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:06:23,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575541873] [2021-10-06 17:06:23,065 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-06 17:06:23,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:06:23,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:06:23,066 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:06:23,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-06 17:06:24,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-06 17:06:24,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:06:24,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 60 conjunts are in the unsatisfiable core [2021-10-06 17:06:24,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:06:25,729 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-06 17:06:25,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-10-06 17:06:27,695 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-06 17:06:27,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2021-10-06 17:06:28,348 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-06 17:06:28,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 66 treesize of output 57 [2021-10-06 17:06:29,282 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-06 17:06:29,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 63 [2021-10-06 17:06:29,674 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-06 17:06:29,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 56 [2021-10-06 17:06:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:06:31,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575541873] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:06:31,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:06:31,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 45] total 80 [2021-10-06 17:06:31,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099235166] [2021-10-06 17:06:31,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-10-06 17:06:31,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:06:31,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-10-06 17:06:31,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=6020, Unknown=0, NotChecked=0, Total=6320 [2021-10-06 17:06:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:06:31,277 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:06:31,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 4.25) internal successors, (340), 80 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:06:31,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:06:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-06 17:06:31,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-06 17:06:31,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-10-06 17:06:31,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:07:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:07:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:07:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:07:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:07:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:07:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:07:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:07:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:07:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:07:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:07:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:07:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:07:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:07:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:07:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:07:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-10-06 17:07:08,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-10-06 17:07:08,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-06 17:07:08,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-06 17:07:08,895 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:07:08,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:07:08,896 INFO L82 PathProgramCache]: Analyzing trace with hash -47014787, now seen corresponding path program 4 times [2021-10-06 17:07:08,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:07:08,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885259243] [2021-10-06 17:07:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:07:08,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:07:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:07:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:07:09,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:07:09,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885259243] [2021-10-06 17:07:09,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885259243] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:07:09,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808604662] [2021-10-06 17:07:09,016 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-06 17:07:09,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:07:09,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:07:09,017 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:07:09,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-06 17:07:10,163 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-06 17:07:10,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:07:10,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-06 17:07:10,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:07:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:07:10,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808604662] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:07:10,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:07:10,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-10-06 17:07:10,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198118252] [2021-10-06 17:07:10,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-06 17:07:10,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:07:10,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-06 17:07:10,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-10-06 17:07:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:07:10,763 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:07:10,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.285714285714285) internal successors, (256), 14 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:07:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:07:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:07:10,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:10,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:07:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-10-06 17:07:10,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-10-06 17:07:10,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:07:16,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:07:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:07:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:07:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:07:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:07:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:07:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-10-06 17:07:16,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-10-06 17:07:16,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:16,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-10-06 17:07:16,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-10-06 17:07:16,527 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:07:16,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:07:16,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1714773209, now seen corresponding path program 5 times [2021-10-06 17:07:16,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:07:16,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888159619] [2021-10-06 17:07:16,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:07:16,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:07:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:07:19,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:07:19,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:07:19,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888159619] [2021-10-06 17:07:19,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888159619] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:07:19,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834519046] [2021-10-06 17:07:19,154 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-06 17:07:19,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:07:19,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:07:19,155 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:07:19,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-06 17:07:20,370 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 17:07:20,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:07:20,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 66 conjunts are in the unsatisfiable core [2021-10-06 17:07:20,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:07:20,413 INFO L388 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 [2021-10-06 17:07:20,471 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-06 17:07:20,471 INFO L388 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 14 [2021-10-06 17:07:21,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-06 17:07:21,015 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-10-06 17:07:21,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 14 [2021-10-06 17:07:22,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-06 17:07:22,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-10-06 17:07:24,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2021-10-06 17:07:25,295 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-06 17:07:25,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2021-10-06 17:07:25,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-06 17:07:25,950 INFO L354 Elim1Store]: treesize reduction 83, result has 15.3 percent of original size [2021-10-06 17:07:25,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 35 [2021-10-06 17:07:26,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-06 17:07:26,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 42 treesize of output 35 [2021-10-06 17:07:26,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-10-06 17:07:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:07:27,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834519046] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:07:27,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:07:27,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40] total 77 [2021-10-06 17:07:27,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391624588] [2021-10-06 17:07:27,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2021-10-06 17:07:27,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:07:27,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-10-06 17:07:27,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=5484, Unknown=0, NotChecked=0, Total=5852 [2021-10-06 17:07:27,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:07:27,215 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:07:27,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 4.415584415584416) internal successors, (340), 77 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:07:27,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:07:27,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:07:27,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:27,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:07:27,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:07:27,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:07:27,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:07:27,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:07:27,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:07:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-06 17:07:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:07:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:07:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:07:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-10-06 17:07:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2021-10-06 17:07:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:07:27,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:08:59,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:08:59,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:08:59,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:08:59,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:08:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:08:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:08:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:08:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:08:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:08:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:08:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:08:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:08:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:08:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:08:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:08:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:08:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:08:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:08:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:08:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:08:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:08:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:08:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-10-06 17:08:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2021-10-06 17:08:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:08:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2021-10-06 17:08:59,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-10-06 17:08:59,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-06 17:08:59,435 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:08:59,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:08:59,436 INFO L82 PathProgramCache]: Analyzing trace with hash 106100959, now seen corresponding path program 6 times [2021-10-06 17:08:59,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:08:59,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980498557] [2021-10-06 17:08:59,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:08:59,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:08:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:08:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:08:59,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:08:59,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980498557] [2021-10-06 17:08:59,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980498557] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:08:59,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098263827] [2021-10-06 17:08:59,561 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-06 17:08:59,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:08:59,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:08:59,565 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:08:59,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-06 17:09:01,007 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-10-06 17:09:01,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:09:01,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-06 17:09:01,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:09:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-06 17:09:01,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098263827] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:09:01,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:09:01,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2021-10-06 17:09:01,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535173766] [2021-10-06 17:09:01,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-06 17:09:01,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:09:01,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-06 17:09:01,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-06 17:09:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:09:01,772 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:09:01,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 19.133333333333333) internal successors, (287), 15 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:09:01,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:09:01,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:09:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:09:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:09:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:09:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:09:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:09:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:09:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:09:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:09:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:09:01,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-10-06 17:09:01,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2021-10-06 17:09:01,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:09:01,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2021-10-06 17:09:01,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:10:11,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:10:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:10:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:10:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:10:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:10:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:10:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:10:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:10:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:10:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:10:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:10:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:10:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2021-10-06 17:10:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2021-10-06 17:10:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states. [2021-10-06 17:10:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-06 17:10:11,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-10-06 17:10:11,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-06 17:10:11,631 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:10:11,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:10:11,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1109754939, now seen corresponding path program 7 times [2021-10-06 17:10:11,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:10:11,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129462761] [2021-10-06 17:10:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:10:11,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:10:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:10:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:10:14,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:10:14,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129462761] [2021-10-06 17:10:14,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129462761] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:10:14,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49275644] [2021-10-06 17:10:14,237 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-06 17:10:14,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:10:14,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:10:14,239 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:10:14,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-06 17:10:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:10:15,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-06 17:10:15,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:10:15,886 INFO L388 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 [2021-10-06 17:10:15,940 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-06 17:10:15,940 INFO L388 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 14 [2021-10-06 17:10:16,242 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-06 17:10:16,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-06 17:10:17,409 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-10-06 17:10:17,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2021-10-06 17:10:18,766 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-06 17:10:18,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 26 [2021-10-06 17:10:18,931 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-06 17:10:18,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2021-10-06 17:10:19,280 INFO L388 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 21 treesize of output 17 [2021-10-06 17:10:19,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2021-10-06 17:10:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:10:20,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49275644] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:10:20,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:10:20,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 35] total 72 [2021-10-06 17:10:20,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205933898] [2021-10-06 17:10:20,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2021-10-06 17:10:20,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:10:20,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-10-06 17:10:20,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=4840, Unknown=0, NotChecked=0, Total=5112 [2021-10-06 17:10:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:10:20,074 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:10:20,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 4.694444444444445) internal successors, (338), 72 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:20,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:20,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:20,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:10:20,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:20,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:10:20,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:10:20,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:10:20,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:10:20,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:10:20,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:10:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:10:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:10:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2021-10-06 17:10:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2021-10-06 17:10:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 343 states. [2021-10-06 17:10:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-06 17:10:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:10:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:10:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:10:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:10:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:10:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:10:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:10:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:10:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:10:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:10:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:10:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:10:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:10:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:10:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:10:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:10:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:10:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-10-06 17:10:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2021-10-06 17:10:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:10:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 356 states. [2021-10-06 17:10:58,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-06 17:10:58,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-10-06 17:10:58,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-10-06 17:10:58,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-06 17:10:58,260 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:10:58,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:10:58,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1389267317, now seen corresponding path program 8 times [2021-10-06 17:10:58,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:10:58,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218862687] [2021-10-06 17:10:58,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:10:58,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:10:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:10:59,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:10:59,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:10:59,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218862687] [2021-10-06 17:10:59,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218862687] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:10:59,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873330161] [2021-10-06 17:10:59,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 17:10:59,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:10:59,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:10:59,554 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:10:59,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-06 17:11:01,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 17:11:01,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:11:01,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 61 conjunts are in the unsatisfiable core [2021-10-06 17:11:01,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:11:02,588 INFO L388 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 11 treesize of output 7 [2021-10-06 17:11:03,580 INFO L388 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 17 treesize of output 13 [2021-10-06 17:11:04,251 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-06 17:11:04,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 23 [2021-10-06 17:11:05,662 INFO L354 Elim1Store]: treesize reduction 76, result has 16.5 percent of original size [2021-10-06 17:11:05,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 33 [2021-10-06 17:11:06,675 INFO L354 Elim1Store]: treesize reduction 96, result has 13.5 percent of original size [2021-10-06 17:11:06,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 33 [2021-10-06 17:11:06,980 INFO L354 Elim1Store]: treesize reduction 51, result has 5.6 percent of original size [2021-10-06 17:11:06,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 22 [2021-10-06 17:11:07,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 26 treesize of output 18 [2021-10-06 17:11:07,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-10-06 17:11:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:11:07,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873330161] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:11:07,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:11:07,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 46] total 75 [2021-10-06 17:11:07,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661539686] [2021-10-06 17:11:07,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2021-10-06 17:11:07,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:11:07,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-10-06 17:11:07,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=5234, Unknown=0, NotChecked=0, Total=5550 [2021-10-06 17:11:07,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:11:07,493 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:11:07,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.546666666666667) internal successors, (341), 75 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:11:07,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:11:07,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:11:07,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:11:07,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:11:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:11:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:11:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:11:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:11:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:11:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:11:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:11:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:11:07,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:11:07,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:11:07,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:11:07,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:11:07,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:11:07,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:11:07,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:11:07,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:11:07,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:11:07,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:11:07,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-10-06 17:11:07,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2021-10-06 17:11:07,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:11:07,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 356 states. [2021-10-06 17:11:07,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-06 17:11:07,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-10-06 17:11:07,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:12:05,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:12:05,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:12:05,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:12:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 367 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-06 17:12:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2021-10-06 17:12:05,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-10-06 17:12:05,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-10-06 17:12:06,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-06 17:12:06,148 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-10-06 17:12:06,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 17:12:06,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1360994725, now seen corresponding path program 9 times [2021-10-06 17:12:06,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 17:12:06,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054668235] [2021-10-06 17:12:06,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 17:12:06,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 17:12:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 17:12:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 17:12:08,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 17:12:08,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054668235] [2021-10-06 17:12:08,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054668235] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:12:08,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554767871] [2021-10-06 17:12:08,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-06 17:12:08,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:12:08,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 17:12:08,238 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 17:12:08,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-06 17:12:10,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-06 17:12:10,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 17:12:10,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 64 conjunts are in the unsatisfiable core [2021-10-06 17:12:10,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 17:12:10,169 INFO L388 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 [2021-10-06 17:12:10,235 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-06 17:12:10,235 INFO L388 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 15 treesize of output 17 [2021-10-06 17:12:10,985 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-10-06 17:12:10,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 19 [2021-10-06 17:12:12,188 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-06 17:12:12,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-06 17:12:12,605 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-06 17:12:12,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2021-10-06 17:12:14,053 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-06 17:12:14,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 26 [2021-10-06 17:12:14,483 INFO L354 Elim1Store]: treesize reduction 34, result has 48.5 percent of original size [2021-10-06 17:12:14,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2021-10-06 17:12:14,928 INFO L354 Elim1Store]: treesize reduction 84, result has 42.9 percent of original size [2021-10-06 17:12:14,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 96 [2021-10-06 17:12:15,360 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-06 17:12:15,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 104 [2021-10-06 17:12:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 17:12:18,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554767871] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 17:12:18,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 17:12:18,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 52] total 84 [2021-10-06 17:12:18,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186060183] [2021-10-06 17:12:18,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2021-10-06 17:12:18,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 17:12:18,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2021-10-06 17:12:18,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=6658, Unknown=0, NotChecked=0, Total=6972 [2021-10-06 17:12:18,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:12:18,113 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 17:12:18,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 4.023809523809524) internal successors, (338), 84 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 17:12:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 17:12:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-06 17:12:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:12:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 17:12:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-06 17:12:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-06 17:12:18,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-06 17:12:18,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-06 17:12:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:12:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-06 17:12:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-06 17:12:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-06 17:12:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-10-06 17:12:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2021-10-06 17:12:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-06 17:12:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 367 states. [2021-10-06 17:12:18,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-06 17:12:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2021-10-06 17:12:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-10-06 17:12:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-10-06 17:15:27,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-06 17:15:27,939 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/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 [2021-10-06 17:15:27,939 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-06 17:15:27,939 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-06 17:15:28,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 17:15:28,107 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 273 known predicates. [2021-10-06 17:15:28,111 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-06 17:15:28,112 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 17:15:28,112 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 17:15:28,112 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-06 17:15:28,112 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-06 17:15:28,112 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-06 17:15:28,125 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 17:15:28,126 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 17:15:28,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 05:15:28 BasicIcfg [2021-10-06 17:15:28,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 17:15:28,128 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.witnessprinter [2021-10-06 17:15:28,129 INFO L168 Benchmark]: Toolchain (without parser) took 706473.77 ms. Allocated memory was 151.0 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 124.5 MB in the beginning and 5.5 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2021-10-06 17:15:28,129 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 17:15:28,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.05 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 112.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-06 17:15:28,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.66 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 110.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 17:15:28,130 INFO L168 Benchmark]: Boogie Preprocessor took 79.14 ms. Allocated memory is still 151.0 MB. Free memory was 110.9 MB in the beginning and 109.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 17:15:28,131 INFO L168 Benchmark]: RCFGBuilder took 842.77 ms. Allocated memory is still 151.0 MB. Free memory was 109.2 MB in the beginning and 125.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. [2021-10-06 17:15:28,131 INFO L168 Benchmark]: TraceAbstraction took 705034.38 ms. Allocated memory was 151.0 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 125.4 MB in the beginning and 5.5 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2021-10-06 17:15:28,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 435.05 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 112.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 64.66 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 110.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 79.14 ms. Allocated memory is still 151.0 MB. Free memory was 110.9 MB in the beginning and 109.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 842.77 ms. Allocated memory is still 151.0 MB. Free memory was 109.2 MB in the beginning and 125.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 705034.38 ms. Allocated memory was 151.0 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 125.4 MB in the beginning and 5.5 GB in the end (delta: -5.3 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5095283, positive: 4911681, positive conditional: 4902331, positive unconditional: 9350, negative: 183602, negative conditional: 183478, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4957256, positive: 4911681, positive conditional: 4902331, positive unconditional: 9350, negative: 45575, negative conditional: 45451, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4957256, positive: 4911681, positive conditional: 4902331, positive unconditional: 9350, negative: 45575, negative conditional: 45451, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6335120, positive: 4911681, positive conditional: 4902209, positive unconditional: 9472, negative: 1423439, negative conditional: 1377864, negative unconditional: 45575, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6335120, positive: 4911681, positive conditional: 2732089, positive unconditional: 2179592, negative: 1423439, negative conditional: 905260, negative unconditional: 518179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6335120, positive: 4911681, positive conditional: 2732089, positive unconditional: 2179592, negative: 1423439, negative conditional: 905260, negative unconditional: 518179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11999, positive: 8361, positive conditional: 952, positive unconditional: 7409, negative: 3638, negative conditional: 3514, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11999, positive: 7610, positive conditional: 0, positive unconditional: 7610, negative: 4389, negative conditional: 0, negative unconditional: 4389, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4389, positive: 751, positive conditional: 751, positive unconditional: 0, negative: 3638, negative conditional: 3514, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12294, positive: 2429, positive conditional: 2429, positive unconditional: 0, negative: 9865, negative conditional: 9536, negative unconditional: 329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6335120, positive: 4903320, positive conditional: 2731137, positive unconditional: 2172183, negative: 1419801, negative conditional: 901746, negative unconditional: 518055, unknown: 11999, unknown conditional: 4466, unknown unconditional: 7533] , Statistics on independence cache: Total cache size (in pairs): 11999, Positive cache size: 8361, Positive conditional cache size: 952, Positive unconditional cache size: 7409, Negative cache size: 3638, Negative conditional cache size: 3514, Negative unconditional cache size: 124, Eliminated conditions: 2642724, Maximal queried relation: 26, Independence queries for same thread: 138027 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 5802, Number of persistent set computation: 54414, Number of trivial persistent sets: 31174, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9474, positive: 9350, positive conditional: 0, positive unconditional: 9350, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5095283, positive: 4911681, positive conditional: 4902331, positive unconditional: 9350, negative: 183602, negative conditional: 183478, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4957256, positive: 4911681, positive conditional: 4902331, positive unconditional: 9350, negative: 45575, negative conditional: 45451, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4957256, positive: 4911681, positive conditional: 4902331, positive unconditional: 9350, negative: 45575, negative conditional: 45451, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6335120, positive: 4911681, positive conditional: 4902209, positive unconditional: 9472, negative: 1423439, negative conditional: 1377864, negative unconditional: 45575, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6335120, positive: 4911681, positive conditional: 2732089, positive unconditional: 2179592, negative: 1423439, negative conditional: 905260, negative unconditional: 518179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6335120, positive: 4911681, positive conditional: 2732089, positive unconditional: 2179592, negative: 1423439, negative conditional: 905260, negative unconditional: 518179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11999, positive: 8361, positive conditional: 952, positive unconditional: 7409, negative: 3638, negative conditional: 3514, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11999, positive: 7610, positive conditional: 0, positive unconditional: 7610, negative: 4389, negative conditional: 0, negative unconditional: 4389, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4389, positive: 751, positive conditional: 751, positive unconditional: 0, negative: 3638, negative conditional: 3514, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12294, positive: 2429, positive conditional: 2429, positive unconditional: 0, negative: 9865, negative conditional: 9536, negative unconditional: 329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6335120, positive: 4903320, positive conditional: 2731137, positive unconditional: 2172183, negative: 1419801, negative conditional: 901746, negative unconditional: 518055, unknown: 11999, unknown conditional: 4466, unknown unconditional: 7533] , Statistics on independence cache: Total cache size (in pairs): 11999, Positive cache size: 8361, Positive conditional cache size: 952, Positive unconditional cache size: 7409, Negative cache size: 3638, Negative conditional cache size: 3514, Negative unconditional cache size: 124, Eliminated conditions: 2642724, Maximal queried relation: 26, Independence queries for same thread: 138027 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 273 known predicates. - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 273 known predicates. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 273 known predicates. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 273 known predicates. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 273 known predicates. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 273 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 261 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 704806.6ms, OverallIterations: 30, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 33.6ms, PartialOrderReductionTime: 616799.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2207, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 495.4ms SsaConstructionTime, 3509.1ms SatisfiabilityAnalysisTime, 65796.3ms InterpolantComputationTime, 8490 NumberOfCodeBlocks, 8386 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 8442 ConstructedInterpolants, 36 QuantifiedInterpolants, 67938 SizeOfPredicates, 436 NumberOfNonLiveVariables, 7477 ConjunctsInSsa, 530 ConjunctsInUnsatCore, 48 InterpolantComputations, 13 PerfectInterpolantSequences, 409/627 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