/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 23:38:06,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 23:38:06,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 23:38:06,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 23:38:06,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 23:38:06,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 23:38:06,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 23:38:06,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 23:38:06,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 23:38:06,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 23:38:06,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 23:38:06,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 23:38:06,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 23:38:06,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 23:38:06,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 23:38:06,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 23:38:06,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 23:38:06,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 23:38:06,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 23:38:06,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 23:38:06,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 23:38:06,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 23:38:06,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 23:38:06,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 23:38:06,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 23:38:06,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 23:38:06,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 23:38:06,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 23:38:06,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 23:38:06,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 23:38:06,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 23:38:06,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 23:38:06,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 23:38:06,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 23:38:06,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 23:38:06,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 23:38:06,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 23:38:06,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 23:38:06,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 23:38:06,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 23:38:06,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 23:38:06,107 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 23:38:06,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 23:38:06,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 23:38:06,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 23:38:06,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 23:38:06,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 23:38:06,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 23:38:06,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 23:38:06,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 23:38:06,137 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 23:38:06,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 23:38:06,138 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 23:38:06,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 23:38:06,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 23:38:06,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 23:38:06,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 23:38:06,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 23:38:06,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 23:38:06,138 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 23:38:06,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 23:38:06,139 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 23:38:06,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 23:38:06,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 23:38:06,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 23:38:06,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 23:38:06,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 23:38:06,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:38:06,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 23:38:06,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 23:38:06,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 23:38:06,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 23:38:06,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 23:38:06,140 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 23:38:06,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 23:38:06,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 23:38:06,140 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 23:38:06,140 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 23:38:06,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 23:38:06,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 23:38:06,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 23:38:06,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 23:38:06,365 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 23:38:06,367 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 23:38:06,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2022-11-15 23:38:06,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aba07f03/a342db2e537a406db625d693eb1dcb66/FLAGcbbc2b266 [2022-11-15 23:38:06,800 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 23:38:06,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2022-11-15 23:38:06,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aba07f03/a342db2e537a406db625d693eb1dcb66/FLAGcbbc2b266 [2022-11-15 23:38:06,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aba07f03/a342db2e537a406db625d693eb1dcb66 [2022-11-15 23:38:06,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 23:38:06,820 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 23:38:06,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 23:38:06,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 23:38:06,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 23:38:06,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:38:06" (1/1) ... [2022-11-15 23:38:06,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40082768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:06, skipping insertion in model container [2022-11-15 23:38:06,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:38:06" (1/1) ... [2022-11-15 23:38:06,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 23:38:06,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 23:38:07,022 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2533,2546] [2022-11-15 23:38:07,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:38:07,036 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 23:38:07,055 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2533,2546] [2022-11-15 23:38:07,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:38:07,070 INFO L208 MainTranslator]: Completed translation [2022-11-15 23:38:07,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07 WrapperNode [2022-11-15 23:38:07,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 23:38:07,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 23:38:07,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 23:38:07,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 23:38:07,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,135 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 225 [2022-11-15 23:38:07,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 23:38:07,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 23:38:07,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 23:38:07,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 23:38:07,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,186 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 23:38:07,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 23:38:07,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 23:38:07,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 23:38:07,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (1/1) ... [2022-11-15 23:38:07,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:38:07,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:07,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-15 23:38:07,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-15 23:38:07,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 23:38:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 23:38:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 23:38:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 23:38:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 23:38:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 23:38:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 23:38:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 23:38:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 23:38:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 23:38:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 23:38:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 23:38:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 23:38:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 23:38:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 23:38:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 23:38:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 23:38:07,266 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 23:38:07,357 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 23:38:07,358 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 23:38:07,745 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 23:38:07,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 23:38:07,893 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-15 23:38:07,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:38:07 BoogieIcfgContainer [2022-11-15 23:38:07,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 23:38:07,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 23:38:07,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 23:38:07,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 23:38:07,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:38:06" (1/3) ... [2022-11-15 23:38:07,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181c86c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:38:07, skipping insertion in model container [2022-11-15 23:38:07,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:38:07" (2/3) ... [2022-11-15 23:38:07,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181c86c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:38:07, skipping insertion in model container [2022-11-15 23:38:07,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:38:07" (3/3) ... [2022-11-15 23:38:07,907 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2022-11-15 23:38:07,914 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 23:38:07,922 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 23:38:07,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-15 23:38:07,923 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 23:38:08,028 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-15 23:38:08,080 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:38:08,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 23:38:08,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:08,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 23:38:08,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-15 23:38:08,122 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 23:38:08,132 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 23:38:08,137 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54dcf5d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:38:08,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-15 23:38:08,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:08,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:08,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1701726423, now seen corresponding path program 1 times [2022-11-15 23:38:08,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:08,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651379955] [2022-11-15 23:38:08,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:08,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:08,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:08,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651379955] [2022-11-15 23:38:08,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651379955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:38:08,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:38:08,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 23:38:08,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844179109] [2022-11-15 23:38:08,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:38:08,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 23:38:08,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:08,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 23:38:08,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 23:38:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:08,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:08,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.5) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:08,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:08,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 23:38:08,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:08,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1610419974, now seen corresponding path program 1 times [2022-11-15 23:38:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:08,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360390887] [2022-11-15 23:38:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:09,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:09,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360390887] [2022-11-15 23:38:09,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360390887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:38:09,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:38:09,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-15 23:38:09,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851457038] [2022-11-15 23:38:09,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:38:09,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-15 23:38:09,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:09,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-15 23:38:09,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-15 23:38:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:09,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:09,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:09,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:09,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:09,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:09,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:09,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 23:38:09,526 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:09,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:09,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1762876092, now seen corresponding path program 1 times [2022-11-15 23:38:09,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:09,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879639126] [2022-11-15 23:38:09,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:09,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:09,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:09,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879639126] [2022-11-15 23:38:09,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879639126] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:09,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499991239] [2022-11-15 23:38:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:09,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:09,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:09,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:38:09,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 23:38:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:09,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-15 23:38:09,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:38:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:10,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:38:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:10,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499991239] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:10,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-15 23:38:10,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-15 23:38:10,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32861500] [2022-11-15 23:38:10,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:38:10,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 23:38:10,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:10,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 23:38:10,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-15 23:38:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:10,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:10,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:10,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:10,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:10,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-15 23:38:10,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-15 23:38:10,705 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:10,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:10,706 INFO L85 PathProgramCache]: Analyzing trace with hash 892217522, now seen corresponding path program 1 times [2022-11-15 23:38:10,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:10,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034396832] [2022-11-15 23:38:10,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:10,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:10,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:10,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034396832] [2022-11-15 23:38:10,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034396832] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:10,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292042331] [2022-11-15 23:38:10,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:10,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:10,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:10,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:38:10,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 23:38:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:11,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-15 23:38:11,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:38:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:11,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:38:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:11,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292042331] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:11,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-15 23:38:11,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-11-15 23:38:11,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458740683] [2022-11-15 23:38:11,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:38:11,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-15 23:38:11,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:11,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-15 23:38:11,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-15 23:38:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:11,549 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:11,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 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) [2022-11-15 23:38:11,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:11,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:11,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:11,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:11,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:11,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-15 23:38:11,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:11,907 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:11,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:11,907 INFO L85 PathProgramCache]: Analyzing trace with hash 960270225, now seen corresponding path program 1 times [2022-11-15 23:38:11,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:11,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723443818] [2022-11-15 23:38:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:11,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:14,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:14,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723443818] [2022-11-15 23:38:14,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723443818] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:14,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966417220] [2022-11-15 23:38:14,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:14,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:14,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:14,349 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:38:14,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-15 23:38:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:14,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-15 23:38:14,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:38:17,281 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:38:17,282 INFO L350 Elim1Store]: Elim1 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 53 treesize of output 35 [2022-11-15 23:38:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:17,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:38:21,220 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:38:21,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 143 [2022-11-15 23:38:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:24,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966417220] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:38:24,103 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:38:24,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 35, 31] total 90 [2022-11-15 23:38:24,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979008108] [2022-11-15 23:38:24,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:38:24,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2022-11-15 23:38:24,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:24,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2022-11-15 23:38:24,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=614, Invalid=7396, Unknown=0, NotChecked=0, Total=8010 [2022-11-15 23:38:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:24,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:24,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.777777777777778) internal successors, (430), 90 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:24,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:24,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:24,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:24,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:24,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:38:30,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-15 23:38:30,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:30,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:30,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:30,940 INFO L85 PathProgramCache]: Analyzing trace with hash 415669266, now seen corresponding path program 2 times [2022-11-15 23:38:30,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:30,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254424929] [2022-11-15 23:38:30,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:30,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:31,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:31,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254424929] [2022-11-15 23:38:31,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254424929] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:31,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341375269] [2022-11-15 23:38:31,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:38:31,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:31,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:31,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:38:31,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-15 23:38:31,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:38:31,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:38:31,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-15 23:38:31,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:38:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:32,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:38:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:32,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341375269] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:38:32,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:38:32,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 30 [2022-11-15 23:38:32,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485718295] [2022-11-15 23:38:32,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:38:32,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-15 23:38:32,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:32,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-15 23:38:32,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2022-11-15 23:38:32,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:32,313 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:32,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.266666666666667) internal successors, (278), 30 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:32,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:32,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:32,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:32,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:32,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-11-15 23:38:32,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:33,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:33,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:33,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:33,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:38:33,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:38:33,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:33,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-15 23:38:33,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:33,497 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:33,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:33,498 INFO L85 PathProgramCache]: Analyzing trace with hash -984239300, now seen corresponding path program 1 times [2022-11-15 23:38:33,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:33,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526055897] [2022-11-15 23:38:33,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:33,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:33,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:33,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526055897] [2022-11-15 23:38:33,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526055897] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:33,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315485790] [2022-11-15 23:38:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:33,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:33,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:33,827 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:38:33,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-15 23:38:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:33,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-15 23:38:33,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:38:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:34,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-15 23:38:34,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315485790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:38:34,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-15 23:38:34,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2022-11-15 23:38:34,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951567676] [2022-11-15 23:38:34,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:38:34,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-15 23:38:34,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:34,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-15 23:38:34,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2022-11-15 23:38:34,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:34,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:34,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.2) internal successors, (182), 10 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:34,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:34,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:34,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:34,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:38:34,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:38:34,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:34,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:34,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:34,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:34,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:38:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:38:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:38:34,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-15 23:38:34,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:34,981 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:34,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:34,981 INFO L85 PathProgramCache]: Analyzing trace with hash 297274183, now seen corresponding path program 1 times [2022-11-15 23:38:34,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:34,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589227824] [2022-11-15 23:38:34,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:34,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:35,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:35,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589227824] [2022-11-15 23:38:35,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589227824] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:35,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000440584] [2022-11-15 23:38:35,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:35,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:35,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:35,225 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:38:35,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-15 23:38:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:35,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 23:38:35,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:38:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:35,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:38:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:35,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000440584] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:38:35,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:38:35,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2022-11-15 23:38:35,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121412778] [2022-11-15 23:38:35,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:38:35,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-15 23:38:35,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:35,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-15 23:38:35,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2022-11-15 23:38:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:35,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:35,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.5) internal successors, (300), 24 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:38:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:38:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-15 23:38:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:36,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:36,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:36,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:36,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:38:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:38:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:38:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-15 23:38:36,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-15 23:38:36,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:36,628 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:36,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:36,628 INFO L85 PathProgramCache]: Analyzing trace with hash -261305213, now seen corresponding path program 1 times [2022-11-15 23:38:36,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:36,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229638342] [2022-11-15 23:38:36,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:36,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:37,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:37,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229638342] [2022-11-15 23:38:37,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229638342] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:37,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931639864] [2022-11-15 23:38:37,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:37,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:37,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:37,228 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:38:37,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-15 23:38:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:37,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-15 23:38:37,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:38:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:37,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:38:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:38,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931639864] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:38:38,269 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:38:38,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 38 [2022-11-15 23:38:38,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953875143] [2022-11-15 23:38:38,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:38:38,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-15 23:38:38,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:38,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-15 23:38:38,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1241, Unknown=0, NotChecked=0, Total=1406 [2022-11-15 23:38:38,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:38,276 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:38,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 12.81578947368421) internal successors, (487), 38 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:38,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:38,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:38,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:38,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 23:38:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-11-15 23:38:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:38:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-15 23:38:38,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:38:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:38:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:38:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:38:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:38:41,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-15 23:38:41,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-15 23:38:41,602 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:41,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:41,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1603875078, now seen corresponding path program 1 times [2022-11-15 23:38:41,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:41,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238649429] [2022-11-15 23:38:41,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:41,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:41,861 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:41,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:41,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238649429] [2022-11-15 23:38:41,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238649429] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:41,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401247342] [2022-11-15 23:38:41,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:41,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:41,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:38:41,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-15 23:38:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:41,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 23:38:41,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:38:42,206 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:42,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:38:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:38:42,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401247342] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:38:42,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:38:42,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-15 23:38:42,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257034538] [2022-11-15 23:38:42,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:38:42,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-15 23:38:42,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:42,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-15 23:38:42,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-11-15 23:38:42,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:42,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:42,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.291666666666666) internal successors, (295), 24 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:38:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:38:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-11-15 23:38:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:38:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:38:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:38:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:38:43,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-15 23:38:43,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-15 23:38:43,519 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:38:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:38:43,523 INFO L85 PathProgramCache]: Analyzing trace with hash 301182724, now seen corresponding path program 1 times [2022-11-15 23:38:43,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:38:43,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907271008] [2022-11-15 23:38:43,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:43,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:38:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:45,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:38:45,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907271008] [2022-11-15 23:38:45,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907271008] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:38:45,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549543687] [2022-11-15 23:38:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:38:45,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:38:45,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:38:45,708 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:38:45,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-15 23:38:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:38:45,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-15 23:38:45,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:38:48,120 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:38:48,120 INFO L350 Elim1Store]: Elim1 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 58 treesize of output 36 [2022-11-15 23:38:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:48,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:38:52,449 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:38:52,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 231 treesize of output 239 [2022-11-15 23:38:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:38:59,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549543687] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:38:59,640 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:38:59,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36, 31] total 92 [2022-11-15 23:38:59,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807966679] [2022-11-15 23:38:59,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:38:59,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-11-15 23:38:59,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:38:59,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-11-15 23:38:59,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=7196, Unknown=0, NotChecked=0, Total=8372 [2022-11-15 23:38:59,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:59,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:38:59,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.5) internal successors, (414), 92 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:38:59,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:39:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:39:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:39:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:39:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:39:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-11-15 23:39:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:39:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:39:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:39:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:39:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:39:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-11-15 23:39:15,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-15 23:39:15,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-15 23:39:15,861 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:39:15,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:39:15,862 INFO L85 PathProgramCache]: Analyzing trace with hash 622917773, now seen corresponding path program 3 times [2022-11-15 23:39:15,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:39:15,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472154339] [2022-11-15 23:39:15,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:39:15,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:39:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:39:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:39:17,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:39:17,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472154339] [2022-11-15 23:39:17,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472154339] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:39:17,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039765619] [2022-11-15 23:39:17,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:39:17,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:39:17,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:39:17,650 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:39:17,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-15 23:39:17,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-15 23:39:17,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:39:17,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 66 conjunts are in the unsatisfiable core [2022-11-15 23:39:17,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:39:17,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 23:39:18,154 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 23:39:18,154 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:39:18,835 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-15 23:39:19,816 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:39:19,816 INFO L350 Elim1Store]: Elim1 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 65 treesize of output 47 [2022-11-15 23:39:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:39:20,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:39:22,799 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:39:22,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 248 treesize of output 264 [2022-11-15 23:39:22,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 185 treesize of output 173 [2022-11-15 23:39:22,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 173 treesize of output 161 [2022-11-15 23:39:22,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 161 treesize of output 149 [2022-11-15 23:39:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:39:26,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039765619] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:39:26,847 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:39:26,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 36, 36] total 102 [2022-11-15 23:39:26,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992099877] [2022-11-15 23:39:26,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:39:26,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2022-11-15 23:39:26,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:39:26,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2022-11-15 23:39:26,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1019, Invalid=9282, Unknown=1, NotChecked=0, Total=10302 [2022-11-15 23:39:26,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:39:26,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:39:26,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 4.2254901960784315) internal successors, (431), 102 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:39:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:39:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:39:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:39:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:39:26,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-11-15 23:39:26,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:39:26,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:39:26,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:39:26,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:39:26,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:39:26,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-11-15 23:39:26,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:39:38,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:39:38,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:39:38,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:39:38,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:39:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-11-15 23:39:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:39:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:39:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:39:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:39:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:39:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-11-15 23:39:38,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-11-15 23:39:38,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-15 23:39:38,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-15 23:39:38,616 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:39:38,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:39:38,616 INFO L85 PathProgramCache]: Analyzing trace with hash 234867653, now seen corresponding path program 4 times [2022-11-15 23:39:38,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:39:38,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244387663] [2022-11-15 23:39:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:39:38,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:39:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:39:40,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:39:40,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:39:40,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244387663] [2022-11-15 23:39:40,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244387663] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:39:40,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455505267] [2022-11-15 23:39:40,712 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 23:39:40,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:39:40,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:39:40,713 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:39:40,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-15 23:39:40,833 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 23:39:40,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:39:40,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-15 23:39:40,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:39:42,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:39:42,168 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-15 23:39:42,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:39:42,294 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 16 [2022-11-15 23:39:43,482 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:39:43,483 INFO L350 Elim1Store]: Elim1 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 65 treesize of output 47 [2022-11-15 23:39:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:39:43,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:39:48,682 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:39:48,683 INFO L350 Elim1Store]: Elim1 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 353 treesize of output 349 [2022-11-15 23:39:48,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 306 treesize of output 282 [2022-11-15 23:39:48,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 282 treesize of output 270 [2022-11-15 23:39:48,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 270 treesize of output 258 [2022-11-15 23:39:48,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 258 treesize of output 234 [2022-11-15 23:39:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:39:50,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455505267] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:39:50,824 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:39:50,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 38, 38] total 104 [2022-11-15 23:39:50,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677587149] [2022-11-15 23:39:50,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:39:50,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2022-11-15 23:39:50,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:39:50,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2022-11-15 23:39:50,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=650, Invalid=10059, Unknown=3, NotChecked=0, Total=10712 [2022-11-15 23:39:50,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:39:50,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:39:50,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 4.144230769230769) internal successors, (431), 104 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-11-15 23:39:50,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:40:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-11-15 23:40:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:40:19,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-15 23:40:19,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-15 23:40:19,708 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:40:19,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:40:19,709 INFO L85 PathProgramCache]: Analyzing trace with hash -349401328, now seen corresponding path program 5 times [2022-11-15 23:40:19,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:40:19,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103763638] [2022-11-15 23:40:19,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:40:19,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:40:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:40:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-15 23:40:19,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:40:19,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103763638] [2022-11-15 23:40:19,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103763638] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:40:19,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538990640] [2022-11-15 23:40:19,929 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-15 23:40:19,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:40:19,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:40:19,931 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:40:19,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-15 23:40:20,037 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-11-15 23:40:20,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:40:20,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 23:40:20,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:40:20,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-15 23:40:20,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:40:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-15 23:40:20,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538990640] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:40:20,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:40:20,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-15 23:40:20,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827982636] [2022-11-15 23:40:20,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:40:20,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-15 23:40:20,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:40:20,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-15 23:40:20,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-11-15 23:40:20,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:40:20,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:40:20,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.125) internal successors, (267), 24 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-11-15 23:40:20,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:40:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:40:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:40:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:40:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:40:25,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-15 23:40:25,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-15 23:40:25,947 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:40:25,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:40:25,947 INFO L85 PathProgramCache]: Analyzing trace with hash -510360442, now seen corresponding path program 6 times [2022-11-15 23:40:25,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:40:25,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332036768] [2022-11-15 23:40:25,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:40:25,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:40:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:40:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:40:29,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:40:29,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332036768] [2022-11-15 23:40:29,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332036768] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:40:29,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102113841] [2022-11-15 23:40:29,375 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-15 23:40:29,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:40:29,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:40:29,377 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:40:29,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-15 23:40:29,510 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-11-15 23:40:29,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:40:29,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 101 conjunts are in the unsatisfiable core [2022-11-15 23:40:29,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:40:30,488 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-15 23:40:31,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 23:40:31,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 23:40:31,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 23:40:34,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-15 23:40:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:40:34,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-15 23:40:34,447 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:40:34,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 38 [2022-11-15 23:40:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:40:34,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:40:40,767 WARN L833 $PredicateComparison]: unable to prove that (or (< 0 c_~M~0) (let ((.cse8 (* 4 c_~M~0))) (let ((.cse3 (+ c_~A~0.offset .cse8)) (.cse1 (+ c_~A~0.offset 4)) (.cse4 (+ c_~A~0.offset .cse8 4))) (and (forall ((v_ArrVal_459 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_460 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_459) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_460) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_461) c_~A~0.base))) (let ((.cse2 (+ c_~mts3~0 (select .cse0 .cse3) (select .cse0 .cse4)))) (or (< 0 (+ (select .cse0 .cse1) 1)) (= .cse2 0) (< .cse2 0) (< 0 (+ c_~mts1~0 (select .cse0 c_~A~0.offset) 1)))))) (forall ((v_ArrVal_459 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_460 (Array Int Int))) (let ((.cse5 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_459) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_460) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_461) c_~A~0.base))) (or (< 0 (+ (select .cse5 .cse1) 1)) (< 0 (+ c_~mts1~0 (select .cse5 c_~A~0.offset) 1)) (< (+ c_~sum~0 c_~mts2~0 (select .cse5 .cse3) (select .cse5 .cse4)) 1)))) (forall ((v_ArrVal_459 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_460 (Array Int Int))) (let ((.cse6 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_459) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_460) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_461) c_~A~0.base))) (let ((.cse7 (select .cse6 .cse4))) (or (< 0 (+ (select .cse6 .cse1) 1)) (= .cse7 0) (< .cse7 0) (< 0 (+ c_~mts1~0 (select .cse6 c_~A~0.offset) 1))))))))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) is different from false [2022-11-15 23:40:40,804 WARN L833 $PredicateComparison]: unable to prove that (or (< 0 c_~M~0) (let ((.cse8 (* 4 c_~M~0))) (let ((.cse3 (+ c_~A~0.offset .cse8)) (.cse1 (+ c_~A~0.offset 4)) (.cse4 (+ c_~A~0.offset .cse8 4))) (and (forall ((v_ArrVal_459 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_460 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_459) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_460) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_461) c_~A~0.base))) (let ((.cse2 (+ c_~mts3~0 (select .cse0 .cse3) (select .cse0 .cse4)))) (or (< 0 (+ (select .cse0 .cse1) 1)) (= .cse2 0) (< .cse2 0) (< 0 (+ c_~mts1~0 (select .cse0 c_~A~0.offset) 1)))))) (forall ((v_ArrVal_459 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_460 (Array Int Int))) (let ((.cse5 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_459) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_460) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_461) c_~A~0.base))) (or (< 0 (+ (select .cse5 .cse1) 1)) (< 0 (+ c_~mts1~0 (select .cse5 c_~A~0.offset) 1)) (< (+ c_~sum~0 c_~mts2~0 (select .cse5 .cse3) (select .cse5 .cse4)) 1)))) (forall ((v_ArrVal_459 (Array Int Int)) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_460 (Array Int Int))) (let ((.cse6 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_459) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_460) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_461) c_~A~0.base))) (let ((.cse7 (select .cse6 .cse4))) (or (< 0 (+ (select .cse6 .cse1) 1)) (= .cse7 0) (< .cse7 0) (< 0 (+ c_~mts1~0 (select .cse6 c_~A~0.offset) 1))))))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) is different from false [2022-11-15 23:40:42,199 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:40:42,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 194 treesize of output 134 [2022-11-15 23:40:42,223 INFO L321 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2022-11-15 23:40:42,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 729 treesize of output 693 [2022-11-15 23:40:42,254 INFO L321 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2022-11-15 23:40:42,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 685 treesize of output 565 [2022-11-15 23:40:42,283 INFO L321 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2022-11-15 23:40:42,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 557 treesize of output 501 [2022-11-15 23:40:42,314 INFO L321 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2022-11-15 23:40:42,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 261 treesize of output 237 [2022-11-15 23:40:43,116 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:40:43,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 94 [2022-11-15 23:40:43,137 INFO L321 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2022-11-15 23:40:43,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 512 treesize of output 493 [2022-11-15 23:40:43,163 INFO L321 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2022-11-15 23:40:43,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 485 treesize of output 417 [2022-11-15 23:40:43,201 INFO L321 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2022-11-15 23:40:43,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 409 treesize of output 379 [2022-11-15 23:40:43,231 INFO L321 Elim1Store]: treesize reduction 34, result has 20.9 percent of original size [2022-11-15 23:40:43,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 183 [2022-11-15 23:40:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 17 refuted. 6 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:40:44,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102113841] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:40:44,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:40:44,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 53, 46] total 144 [2022-11-15 23:40:44,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651102156] [2022-11-15 23:40:44,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:40:44,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2022-11-15 23:40:44,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:40:44,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2022-11-15 23:40:44,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1675, Invalid=18310, Unknown=45, NotChecked=562, Total=20592 [2022-11-15 23:40:44,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:40:44,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:40:44,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 3.888888888888889) internal successors, (560), 144 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:40:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:40:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:40:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:40:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:40:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:40:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:40:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:40:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:40:44,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:40:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:40:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:40:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-11-15 23:40:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:40:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:40:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:41:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:41:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-11-15 23:41:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:41:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:15,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-11-15 23:41:15,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-15 23:41:15,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:41:15,943 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:41:15,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:41:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash 257587261, now seen corresponding path program 7 times [2022-11-15 23:41:15,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:41:15,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204896358] [2022-11-15 23:41:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:41:15,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:41:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:41:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-15 23:41:16,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:41:16,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204896358] [2022-11-15 23:41:16,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204896358] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:41:16,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758102856] [2022-11-15 23:41:16,468 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-15 23:41:16,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:41:16,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:41:16,470 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:41:16,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-15 23:41:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:41:16,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-15 23:41:16,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:41:17,407 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-15 23:41:17,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:41:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-15 23:41:17,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758102856] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:41:17,851 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:41:17,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 44 [2022-11-15 23:41:17,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426052501] [2022-11-15 23:41:17,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:41:17,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-11-15 23:41:17,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:41:17,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-15 23:41:17,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1642, Unknown=0, NotChecked=0, Total=1892 [2022-11-15 23:41:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:17,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:41:17,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 9.159090909090908) internal successors, (403), 44 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-11-15 23:41:17,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-11-15 23:41:20,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:20,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-11-15 23:41:20,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:20,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-15 23:41:20,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-15 23:41:20,976 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:41:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:41:20,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2117015725, now seen corresponding path program 2 times [2022-11-15 23:41:20,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:41:20,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340170708] [2022-11-15 23:41:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:41:20,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:41:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:41:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:41:23,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:41:23,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340170708] [2022-11-15 23:41:23,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340170708] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:41:23,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891490273] [2022-11-15 23:41:23,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:41:23,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:41:23,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:41:23,112 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:41:23,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-15 23:41:23,230 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:41:23,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:41:23,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-15 23:41:23,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:41:25,026 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-15 23:41:25,027 INFO L350 Elim1Store]: Elim1 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 63 treesize of output 28 [2022-11-15 23:41:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:41:25,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:41:28,144 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:41:28,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 135 [2022-11-15 23:41:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:41:29,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891490273] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:41:29,878 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:41:29,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 35, 37] total 107 [2022-11-15 23:41:29,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329610365] [2022-11-15 23:41:29,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:41:29,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-11-15 23:41:29,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:41:29,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-11-15 23:41:29,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1478, Invalid=9864, Unknown=0, NotChecked=0, Total=11342 [2022-11-15 23:41:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:29,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:41:29,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 6.102803738317757) internal successors, (653), 107 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-11-15 23:41:29,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:29,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:39,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-15 23:41:39,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-11-15 23:41:39,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-15 23:41:39,477 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:41:39,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:41:39,478 INFO L85 PathProgramCache]: Analyzing trace with hash -849556080, now seen corresponding path program 3 times [2022-11-15 23:41:39,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:41:39,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047007486] [2022-11-15 23:41:39,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:41:39,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:41:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:41:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-15 23:41:39,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:41:39,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047007486] [2022-11-15 23:41:39,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047007486] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:41:39,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570088101] [2022-11-15 23:41:39,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:41:39,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:41:39,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:41:39,857 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:41:39,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-15 23:41:40,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-15 23:41:40,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:41:40,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-15 23:41:40,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:41:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-15 23:41:40,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:41:40,904 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-15 23:41:40,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570088101] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:41:40,904 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:41:40,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 34 [2022-11-15 23:41:40,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659517490] [2022-11-15 23:41:40,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:41:40,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-15 23:41:40,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:41:40,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-15 23:41:40,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=933, Unknown=0, NotChecked=0, Total=1122 [2022-11-15 23:41:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:40,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:41:40,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.735294117647058) internal successors, (331), 34 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-11-15 23:41:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-11-15 23:41:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-11-15 23:41:40,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-11-15 23:41:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-15 23:41:42,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-15 23:41:42,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-15 23:41:42,442 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:41:42,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:41:42,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1122175655, now seen corresponding path program 1 times [2022-11-15 23:41:42,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:41:42,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974521081] [2022-11-15 23:41:42,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:41:42,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:41:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:41:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-15 23:41:42,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:41:42,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974521081] [2022-11-15 23:41:42,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974521081] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:41:42,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574382045] [2022-11-15 23:41:42,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:41:42,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:41:42,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:41:42,698 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:41:42,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-15 23:41:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:41:42,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-15 23:41:42,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:41:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-15 23:41:43,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:41:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-15 23:41:43,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574382045] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:41:43,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:41:43,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2022-11-15 23:41:43,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088590238] [2022-11-15 23:41:43,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:41:43,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-15 23:41:43,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:41:43,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-15 23:41:43,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2022-11-15 23:41:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:43,472 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:41:43,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.928571428571429) internal successors, (306), 28 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) [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:43,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-11-15 23:41:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-11-15 23:41:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-11-15 23:41:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-11-15 23:41:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-15 23:41:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-11-15 23:41:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-15 23:41:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:44,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-15 23:41:44,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:41:44,493 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:41:44,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:41:44,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1348037814, now seen corresponding path program 1 times [2022-11-15 23:41:44,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:41:44,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972488222] [2022-11-15 23:41:44,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:41:44,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:41:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:41:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-15 23:41:45,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:41:45,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972488222] [2022-11-15 23:41:45,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972488222] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:41:45,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997496942] [2022-11-15 23:41:45,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:41:45,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:41:45,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:41:45,362 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:41:45,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-15 23:41:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:41:45,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-15 23:41:45,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:41:46,272 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:41:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-15 23:41:46,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:41:46,863 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:41:46,863 INFO L350 Elim1Store]: Elim1 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 24 treesize of output 22 [2022-11-15 23:41:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-15 23:41:47,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997496942] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:41:47,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:41:47,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 19] total 61 [2022-11-15 23:41:47,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224667064] [2022-11-15 23:41:47,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:41:47,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-11-15 23:41:47,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:41:47,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-11-15 23:41:47,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=3352, Unknown=0, NotChecked=0, Total=3660 [2022-11-15 23:41:47,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:47,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:41:47,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 9.065573770491802) internal successors, (553), 61 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:47,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:47,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:57,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:41:57,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-15 23:41:58,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:41:58,076 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:41:58,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:41:58,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2048214556, now seen corresponding path program 2 times [2022-11-15 23:41:58,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:41:58,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048115382] [2022-11-15 23:41:58,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:41:58,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:41:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:41:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2022-11-15 23:41:58,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:41:58,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048115382] [2022-11-15 23:41:58,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048115382] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:41:58,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886380638] [2022-11-15 23:41:58,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:41:58,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:41:58,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:41:58,408 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:41:58,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-15 23:41:58,551 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:41:58,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:41:58,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-15 23:41:58,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:41:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 172 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-15 23:41:58,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:41:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 172 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-15 23:41:59,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886380638] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:41:59,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:41:59,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 38 [2022-11-15 23:41:59,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041894806] [2022-11-15 23:41:59,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:41:59,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-15 23:41:59,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:41:59,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-15 23:41:59,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1236, Unknown=0, NotChecked=0, Total=1406 [2022-11-15 23:41:59,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:59,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:41:59,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 12.105263157894736) internal successors, (460), 38 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:41:59,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-11-15 23:41:59,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:41:59,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-11-15 23:41:59,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:41:59,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:41:59,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:41:59,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:42:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:42:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:42:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:42:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:42:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:42:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:42:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:42:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:42:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:42:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:42:02,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-15 23:42:02,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-15 23:42:02,758 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:42:02,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:42:02,758 INFO L85 PathProgramCache]: Analyzing trace with hash 366432907, now seen corresponding path program 3 times [2022-11-15 23:42:02,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:42:02,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475102453] [2022-11-15 23:42:02,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:42:02,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:42:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:42:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:42:07,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:42:07,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475102453] [2022-11-15 23:42:07,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475102453] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:42:07,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256462175] [2022-11-15 23:42:07,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:42:07,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:42:07,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:42:07,436 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:42:07,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-15 23:42:07,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-15 23:42:07,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:42:07,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 105 conjunts are in the unsatisfiable core [2022-11-15 23:42:07,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:42:08,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:42:09,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 23:42:09,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 23:42:09,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 23:42:13,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:42:13,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:42:13,738 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:42:13,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 113 treesize of output 89 [2022-11-15 23:42:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:42:14,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:42:32,686 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_718 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) c_~A~0.base))) (or (< 0 (+ (select .cse0 c_~A~0.offset) c_~mts1~0 1)) (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse1 (select .cse0 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) c_~A~0.offset)))) (or (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (< .cse1 0) (forall ((~M~0 Int)) (let ((.cse3 (* ~M~0 4))) (let ((.cse2 (select .cse0 (+ c_~A~0.offset .cse3)))) (or (< (+ c_~mts3~0 .cse2) 0) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (< (+ c_~sum~0 (select .cse0 (+ c_~A~0.offset .cse3 4)) .cse2 c_~mts2~0) (+ .cse1 1)))))))))))) (forall ((v_ArrVal_718 (Array Int Int))) (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) c_~A~0.base))) (or (< 0 (+ (select .cse4 c_~A~0.offset) c_~mts1~0 1)) (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse7 (select .cse4 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) c_~A~0.offset)))) (or (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (forall ((~M~0 Int)) (let ((.cse6 (* ~M~0 4))) (let ((.cse5 (select .cse4 (+ c_~A~0.offset .cse6)))) (or (not (< (+ c_~mts3~0 .cse5) 0)) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (< (+ c_~sum~0 (select .cse4 (+ c_~A~0.offset .cse6 4)) .cse5 c_~mts2~0) (+ .cse7 1)))))) (< .cse7 0))))))) (forall ((v_ArrVal_718 (Array Int Int))) (let ((.cse8 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) c_~A~0.base))) (or (< 0 (+ (select .cse8 c_~A~0.offset) c_~mts1~0 1)) (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse9 (select .cse8 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) c_~A~0.offset)))) (or (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (< .cse9 0) (forall ((~M~0 Int)) (let ((.cse11 (* ~M~0 4))) (let ((.cse10 (select .cse8 (+ c_~A~0.offset .cse11)))) (or (< (+ c_~mts3~0 .cse10) 0) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (= .cse9 (+ c_~mts3~0 (select .cse8 (+ c_~A~0.offset .cse11 4)) .cse10))))))))))))) is different from false [2022-11-15 23:42:33,179 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_717 (Array Int Int)) (v_ArrVal_718 (Array Int Int))) (let ((.cse2 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) c_~A~0.base))) (or (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse0 (select .cse2 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) c_~A~0.offset)))) (or (< .cse0 0) (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (forall ((~M~0 Int)) (let ((.cse3 (* ~M~0 4))) (let ((.cse1 (select .cse2 (+ c_~A~0.offset .cse3)))) (or (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (< (+ c_~mts3~0 .cse1) 0) (< (+ c_~sum~0 (select .cse2 (+ c_~A~0.offset .cse3 4)) c_~mts2~0 .cse1) (+ .cse0 1))))))))) (< 0 (+ (select .cse2 c_~A~0.offset) c_~mts1~0 1))))) (forall ((v_ArrVal_717 (Array Int Int)) (v_ArrVal_718 (Array Int Int))) (let ((.cse5 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) c_~A~0.base))) (or (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse4 (select .cse5 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) c_~A~0.offset)))) (or (< .cse4 0) (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (forall ((~M~0 Int)) (let ((.cse6 (* ~M~0 4))) (let ((.cse7 (select .cse5 (+ c_~A~0.offset .cse6)))) (or (= (+ (select .cse5 (+ c_~A~0.offset .cse6 4)) c_~mts3~0 .cse7) .cse4) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (< (+ c_~mts3~0 .cse7) 0)))))))) (< 0 (+ (select .cse5 c_~A~0.offset) c_~mts1~0 1))))) (forall ((v_ArrVal_717 (Array Int Int)) (v_ArrVal_718 (Array Int Int))) (let ((.cse10 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) c_~A~0.base))) (or (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse8 (select .cse10 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) c_~A~0.offset)))) (or (< .cse8 0) (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (forall ((~M~0 Int)) (let ((.cse11 (* ~M~0 4))) (let ((.cse9 (select .cse10 (+ c_~A~0.offset .cse11)))) (or (not (< (+ c_~mts3~0 .cse9) 0)) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (< (+ c_~sum~0 (select .cse10 (+ c_~A~0.offset .cse11 4)) c_~mts2~0 .cse9) (+ .cse8 1))))))))) (< 0 (+ (select .cse10 c_~A~0.offset) c_~mts1~0 1)))))) is different from false [2022-11-15 23:42:35,737 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_717 (Array Int Int)) (v_ArrVal_716 (Array Int Int)) (v_ArrVal_718 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_716) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (< 0 (+ c_~mts1~0 (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) 1)) (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse3 (select .cse0 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (forall ((~M~0 Int)) (let ((.cse2 (* ~M~0 4))) (let ((.cse1 (select .cse0 (+ .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (< (+ .cse1 c_~sum~0 (select .cse0 (+ .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) c_~mts2~0) (+ .cse3 1)) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (not (< (+ .cse1 c_~mts3~0) 0)))))) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (< .cse3 0))))))) (forall ((v_ArrVal_717 (Array Int Int)) (v_ArrVal_716 (Array Int Int)) (v_ArrVal_718 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_716) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (< 0 (+ c_~mts1~0 (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) 1)) (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse7 (select .cse4 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (forall ((~M~0 Int)) (let ((.cse6 (* ~M~0 4))) (let ((.cse5 (select .cse4 (+ .cse6 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (= (+ .cse5 (select .cse4 (+ .cse6 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) c_~mts3~0) .cse7) (< (+ .cse5 c_~mts3~0) 0))))) (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (< .cse7 0))))))) (forall ((v_ArrVal_717 (Array Int Int)) (v_ArrVal_716 (Array Int Int)) (v_ArrVal_718 (Array Int Int))) (let ((.cse9 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_716) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse11 (select .cse9 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (forall ((~M~0 Int)) (let ((.cse10 (* ~M~0 4))) (let ((.cse8 (select .cse9 (+ .cse10 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (< (+ .cse8 c_~sum~0 (select .cse9 (+ .cse10 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) c_~mts2~0) (+ .cse11 1)) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (< (+ .cse8 c_~mts3~0) 0))))) (< .cse11 0)))) (< 0 (+ c_~mts1~0 (select .cse9 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) 1)))))) is different from false [2022-11-15 23:42:35,829 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_717 (Array Int Int)) (v_ArrVal_716 (Array Int Int)) (v_ArrVal_718 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_716) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (< 0 (+ (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~mts1~0 1)) (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse2 (select .cse0 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (forall ((~M~0 Int)) (let ((.cse3 (* ~M~0 4))) (let ((.cse1 (select .cse0 (+ .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< (+ c_~mts3~0 .cse1) 0) (= .cse2 (+ c_~mts3~0 .cse1 (select .cse0 (+ .cse3 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0))))) (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (< .cse2 0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)))))))) (forall ((v_ArrVal_717 (Array Int Int)) (v_ArrVal_716 (Array Int Int)) (v_ArrVal_718 (Array Int Int))) (let ((.cse5 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_716) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse7 (select .cse5 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (forall ((~M~0 Int)) (let ((.cse6 (* ~M~0 4))) (let ((.cse4 (select .cse5 (+ .cse6 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< (+ c_~mts3~0 .cse4) 0) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (< (+ c_~sum~0 .cse4 c_~mts2~0 (select .cse5 (+ .cse6 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (+ .cse7 1)))))) (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (< .cse7 0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0))))) (< 0 (+ (select .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~mts1~0 1))))) (forall ((v_ArrVal_717 (Array Int Int)) (v_ArrVal_716 (Array Int Int)) (v_ArrVal_718 (Array Int Int))) (let ((.cse8 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_716) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_717) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_718) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (< 0 (+ (select .cse8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~mts1~0 1)) (forall ((|thread1Thread1of1ForFork1_~i~0#1| Int)) (let ((.cse9 (select .cse8 (+ (* 4 |thread1Thread1of1ForFork1_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (< (+ |thread1Thread1of1ForFork1_~i~0#1| 1) c_~N~0) (< .cse9 0) (not (< |thread1Thread1of1ForFork1_~i~0#1| c_~N~0)) (forall ((~M~0 Int)) (let ((.cse11 (* ~M~0 4))) (let ((.cse10 (select .cse8 (+ .cse11 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (not (< (+ c_~mts3~0 .cse10) 0)) (not (< (+ ~M~0 1) c_~N~0)) (< (+ 2 ~M~0) c_~N~0) (< (+ c_~sum~0 .cse10 c_~mts2~0 (select .cse8 (+ .cse11 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (+ .cse9 1))))))))))))) is different from false [2022-11-15 23:42:37,669 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:42:37,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 132 [2022-11-15 23:42:37,707 INFO L321 Elim1Store]: treesize reduction 34, result has 42.4 percent of original size [2022-11-15 23:42:37,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2981 treesize of output 2825 [2022-11-15 23:42:37,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-15 23:42:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:42:37,761 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:42:37,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1997 treesize of output 1745 [2022-11-15 23:42:37,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-15 23:42:37,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:42:37,800 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:42:37,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1961 treesize of output 1845 [2022-11-15 23:42:37,850 INFO L321 Elim1Store]: treesize reduction 34, result has 42.4 percent of original size [2022-11-15 23:42:37,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2389 treesize of output 1885 [2022-11-15 23:43:24,944 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:43:24,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 196 treesize of output 136 [2022-11-15 23:43:24,974 INFO L321 Elim1Store]: treesize reduction 45, result has 23.7 percent of original size [2022-11-15 23:43:24,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1534 treesize of output 1457 [2022-11-15 23:43:25,015 INFO L321 Elim1Store]: treesize reduction 50, result has 15.3 percent of original size [2022-11-15 23:43:25,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1438 treesize of output 1182 [2022-11-15 23:43:25,054 INFO L321 Elim1Store]: treesize reduction 50, result has 15.3 percent of original size [2022-11-15 23:43:25,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1150 treesize of output 1026 [2022-11-15 23:43:25,093 INFO L321 Elim1Store]: treesize reduction 50, result has 15.3 percent of original size [2022-11-15 23:43:25,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 661 treesize of output 603 [2022-11-15 23:43:26,230 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:43:26,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 195 treesize of output 135 [2022-11-15 23:43:26,263 INFO L321 Elim1Store]: treesize reduction 45, result has 23.7 percent of original size [2022-11-15 23:43:26,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1517 treesize of output 1440 [2022-11-15 23:43:26,305 INFO L321 Elim1Store]: treesize reduction 50, result has 15.3 percent of original size [2022-11-15 23:43:26,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1421 treesize of output 1297 [2022-11-15 23:43:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:43:26,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-15 23:43:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:43:26,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 673 treesize of output 601 [2022-11-15 23:43:26,382 INFO L321 Elim1Store]: treesize reduction 50, result has 15.3 percent of original size [2022-11-15 23:43:26,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1205 treesize of output 949 [2022-11-15 23:43:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:43:29,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256462175] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:43:29,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:43:29,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 60, 57] total 170 [2022-11-15 23:43:29,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101085051] [2022-11-15 23:43:29,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:43:29,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2022-11-15 23:43:29,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:43:29,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2022-11-15 23:43:29,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2406, Invalid=24954, Unknown=46, NotChecked=1324, Total=28730 [2022-11-15 23:43:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:43:29,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:43:29,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 3.364705882352941) internal successors, (572), 170 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-11-15 23:43:29,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:43:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-11-15 23:43:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:43:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:43:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:43:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:43:29,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-11-15 23:43:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:43:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-11-15 23:43:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:43:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-11-15 23:43:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:43:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:43:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:43:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:43:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-11-15 23:43:51,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-15 23:43:51,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-15 23:43:51,588 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:43:51,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:43:51,588 INFO L85 PathProgramCache]: Analyzing trace with hash 38286190, now seen corresponding path program 1 times [2022-11-15 23:43:51,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:43:51,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713234170] [2022-11-15 23:43:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:43:51,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:43:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:43:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:43:54,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:43:54,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713234170] [2022-11-15 23:43:54,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713234170] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:43:54,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307189005] [2022-11-15 23:43:54,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:43:54,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:43:54,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:43:54,610 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:43:54,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-15 23:43:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:43:54,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-15 23:43:54,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:43:57,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-15 23:43:57,289 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:43:57,289 INFO L350 Elim1Store]: Elim1 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 58 treesize of output 29 [2022-11-15 23:43:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:43:57,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:44:00,373 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:44:00,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 134 [2022-11-15 23:44:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:44:01,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307189005] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:44:01,895 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:44:01,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 41, 38] total 113 [2022-11-15 23:44:01,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947194506] [2022-11-15 23:44:01,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:44:01,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2022-11-15 23:44:01,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:44:01,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2022-11-15 23:44:01,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1297, Invalid=11359, Unknown=0, NotChecked=0, Total=12656 [2022-11-15 23:44:01,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:44:01,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:44:01,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 5.628318584070796) internal successors, (636), 113 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:44:01,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:44:01,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:44:01,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:44:01,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-11-15 23:44:01,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:44:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:44:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:44:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:44:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 23:44:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-15 23:44:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 23:44:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-11-15 23:44:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-15 23:44:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-11-15 23:44:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-15 23:44:19,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-11-15 23:44:19,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:44:19,537 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-15 23:44:19,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:44:19,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1470284407, now seen corresponding path program 4 times [2022-11-15 23:44:19,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:44:19,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327409648] [2022-11-15 23:44:19,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:44:19,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:44:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:44:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:44:23,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:44:23,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327409648] [2022-11-15 23:44:23,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327409648] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:44:23,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273451019] [2022-11-15 23:44:23,202 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 23:44:23,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:44:23,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:44:23,204 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:44:23,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-15 23:44:23,340 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 23:44:23,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:44:23,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 86 conjunts are in the unsatisfiable core [2022-11-15 23:44:23,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:44:27,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:44:27,464 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:44:27,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 89 [2022-11-15 23:44:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:44:27,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:44:59,406 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:44:59,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 412 treesize of output 1259 [2022-11-15 23:46:20,398 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2022-11-15 23:46:41,835 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2022-11-15 23:47:02,793 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2022-11-15 23:47:24,771 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2022-11-15 23:47:36,907 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2022-11-15 23:47:50,538 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2022-11-15 23:47:57,722 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2022-11-15 23:48:06,587 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2022-11-15 23:48:16,280 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2022-11-15 23:48:43,263 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2022-11-15 23:49:11,417 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2022-11-15 23:49:38,782 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2022-11-15 23:49:54,163 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2022-11-15 23:50:21,660 WARN L718 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2022-11-15 23:50:49,594 WARN L718 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. Received shutdown request... [2022-11-15 23:51:00,691 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-11-15 23:51:00,693 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-15 23:51:00,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-15 23:51:00,710 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 23:51:00,710 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2022-11-15 23:51:00,723 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-15 23:51:00,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:51:00,894 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 13ms.. [2022-11-15 23:51:00,895 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-15 23:51:00,895 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-15 23:51:00,895 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-15 23:51:00,898 INFO L444 BasicCegarLoop]: Path program histogram: [7, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-15 23:51:00,901 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 23:51:00,901 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 23:51:00,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:51:00 BasicIcfg [2022-11-15 23:51:00,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 23:51:00,903 INFO L158 Benchmark]: Toolchain (without parser) took 774083.31ms. Allocated memory was 195.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 165.5MB in the beginning and 856.9MB in the end (delta: -691.4MB). Peak memory consumption was 960.8MB. Max. memory is 8.0GB. [2022-11-15 23:51:00,903 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 23:51:00,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.12ms. Allocated memory was 195.0MB in the beginning and 259.0MB in the end (delta: 64.0MB). Free memory was 165.5MB in the beginning and 225.3MB in the end (delta: -59.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-11-15 23:51:00,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.48ms. Allocated memory is still 259.0MB. Free memory was 225.3MB in the beginning and 222.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-15 23:51:00,904 INFO L158 Benchmark]: Boogie Preprocessor took 53.92ms. Allocated memory is still 259.0MB. Free memory was 222.7MB in the beginning and 221.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 23:51:00,904 INFO L158 Benchmark]: RCFGBuilder took 704.35ms. Allocated memory is still 259.0MB. Free memory was 220.6MB in the beginning and 183.9MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2022-11-15 23:51:00,904 INFO L158 Benchmark]: TraceAbstraction took 773004.40ms. Allocated memory was 259.0MB in the beginning and 1.2GB in the end (delta: 946.9MB). Free memory was 183.4MB in the beginning and 856.9MB in the end (delta: -673.5MB). Peak memory consumption was 915.8MB. Max. memory is 8.0GB. [2022-11-15 23:51:00,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 250.12ms. Allocated memory was 195.0MB in the beginning and 259.0MB in the end (delta: 64.0MB). Free memory was 165.5MB in the beginning and 225.3MB in the end (delta: -59.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.48ms. Allocated memory is still 259.0MB. Free memory was 225.3MB in the beginning and 222.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.92ms. Allocated memory is still 259.0MB. Free memory was 222.7MB in the beginning and 221.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 704.35ms. Allocated memory is still 259.0MB. Free memory was 220.6MB in the beginning and 183.9MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 773004.40ms. Allocated memory was 259.0MB in the beginning and 1.2GB in the end (delta: 946.9MB). Free memory was 183.4MB in the beginning and 856.9MB in the end (delta: -673.5MB). Peak memory consumption was 915.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 730916, independent: 638566, independent conditional: 625965, independent unconditional: 12601, dependent: 92350, dependent conditional: 92328, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 638590, independent: 638566, independent conditional: 625965, independent unconditional: 12601, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 638590, independent: 638566, independent conditional: 625965, independent unconditional: 12601, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 638797, independent: 638566, independent conditional: 46, independent unconditional: 638520, dependent: 231, dependent conditional: 161, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 638797, independent: 638566, independent conditional: 46, independent unconditional: 638520, dependent: 231, dependent conditional: 73, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 638797, independent: 638566, independent conditional: 46, independent unconditional: 638520, dependent: 231, dependent conditional: 73, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10226, independent: 10175, independent conditional: 10, independent unconditional: 10165, dependent: 51, dependent conditional: 29, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10226, independent: 10163, independent conditional: 0, independent unconditional: 10163, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 12, independent conditional: 10, independent unconditional: 2, dependent: 51, dependent conditional: 29, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 12, independent conditional: 10, independent unconditional: 2, dependent: 51, dependent conditional: 29, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 219, independent: 63, independent conditional: 33, independent unconditional: 30, dependent: 155, dependent conditional: 49, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 638797, independent: 628391, independent conditional: 36, independent unconditional: 628355, dependent: 180, dependent conditional: 44, dependent unconditional: 136, unknown: 10226, unknown conditional: 39, unknown unconditional: 10187] , Statistics on independence cache: Total cache size (in pairs): 10226, Positive cache size: 10175, Positive conditional cache size: 10, Positive unconditional cache size: 10165, Negative cache size: 51, Negative conditional cache size: 29, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 88, Maximal queried relation: 11, Independence queries for same thread: 92326 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 8096, Number of trivial persistent sets: 8012, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12623, independent: 12601, independent conditional: 0, independent unconditional: 12601, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 730916, independent: 638566, independent conditional: 625965, independent unconditional: 12601, dependent: 92350, dependent conditional: 92328, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 638590, independent: 638566, independent conditional: 625965, independent unconditional: 12601, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 638590, independent: 638566, independent conditional: 625965, independent unconditional: 12601, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 638797, independent: 638566, independent conditional: 46, independent unconditional: 638520, dependent: 231, dependent conditional: 161, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 638797, independent: 638566, independent conditional: 46, independent unconditional: 638520, dependent: 231, dependent conditional: 73, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 638797, independent: 638566, independent conditional: 46, independent unconditional: 638520, dependent: 231, dependent conditional: 73, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10226, independent: 10175, independent conditional: 10, independent unconditional: 10165, dependent: 51, dependent conditional: 29, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10226, independent: 10163, independent conditional: 0, independent unconditional: 10163, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 12, independent conditional: 10, independent unconditional: 2, dependent: 51, dependent conditional: 29, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 12, independent conditional: 10, independent unconditional: 2, dependent: 51, dependent conditional: 29, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 219, independent: 63, independent conditional: 33, independent unconditional: 30, dependent: 155, dependent conditional: 49, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 638797, independent: 628391, independent conditional: 36, independent unconditional: 628355, dependent: 180, dependent conditional: 44, dependent unconditional: 136, unknown: 10226, unknown conditional: 39, unknown unconditional: 10187] , Statistics on independence cache: Total cache size (in pairs): 10226, Positive cache size: 10175, Positive conditional cache size: 10, Positive unconditional cache size: 10165, Negative cache size: 51, Negative conditional cache size: 29, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 88, Maximal queried relation: 11, Independence queries for same thread: 92326 - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 13ms.. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 13ms.. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 13ms.. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 13ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 306 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 772.8s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 174.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1439, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 188.6s InterpolantComputationTime, 8180 NumberOfCodeBlocks, 8180 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 11915 ConstructedInterpolants, 467 QuantifiedInterpolants, 240064 SizeOfPredicates, 573 NumberOfNonLiveVariables, 8704 ConjunctsInSsa, 778 ConjunctsInUnsatCore, 64 InterpolantComputations, 5 PerfectInterpolantSequences, 1423/2223 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