/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/bench/exp3x3-opt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 16:59:03,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 16:59:03,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 16:59:03,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-06 16:59:03,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-06 16:59:03,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-06 16:59:03,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-06 16:59:03,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-06 16:59:03,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-06 16:59:03,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-06 16:59:03,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-06 16:59:03,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-06 16:59:03,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 16:59:03,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 16:59:03,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 16:59:03,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 16:59:03,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 16:59:03,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 16:59:03,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 16:59:03,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 16:59:03,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 16:59:03,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 16:59:03,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 16:59:03,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 16:59:03,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-06 16:59:03,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-06 16:59:03,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-06 16:59:03,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-06 16:59:03,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-06 16:59:03,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-06 16:59:03,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 16:59:03,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 16:59:03,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 16:59:03,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 16:59:03,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 16:59:03,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 16:59:03,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 16:59:03,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 16:59:03,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 16:59:03,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 16:59:03,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 16:59:03,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-06 16:59:03,251 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 16:59:03,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 16:59:03,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 16:59:03,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 16:59:03,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 16:59:03,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 16:59:03,257 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 16:59:03,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 16:59:03,257 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 16:59:03,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 16:59:03,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 16:59:03,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 16:59:03,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 16:59:03,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 16:59:03,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 16:59:03,260 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 16:59:03,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 16:59:03,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 16:59:03,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 16:59:03,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 16:59:03,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 16:59:03,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-06 16:59:03,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 16:59:03,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:59:03,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 16:59:03,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 16:59:03,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 16:59:03,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 16:59:03,270 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-06 16:59:03,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 16:59:03,270 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-06 16:59:03,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-06 16:59:03,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 16:59:03,271 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-06 16:59:03,271 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-06 16:59:03,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 16:59:03,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 16:59:03,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 16:59:03,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 16:59:03,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 16:59:03,825 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 16:59:03,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench/exp3x3-opt.wvr.c [2021-10-06 16:59:03,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9e0f1dca/5e99ffb324254ce8a9d129e865cdee32/FLAG33b41c2bf [2021-10-06 16:59:04,634 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 16:59:04,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/bench/exp3x3-opt.wvr.c [2021-10-06 16:59:04,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9e0f1dca/5e99ffb324254ce8a9d129e865cdee32/FLAG33b41c2bf [2021-10-06 16:59:04,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e9e0f1dca/5e99ffb324254ce8a9d129e865cdee32 [2021-10-06 16:59:04,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 16:59:04,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 16:59:04,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 16:59:04,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 16:59:04,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 16:59:04,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:59:04" (1/1) ... [2021-10-06 16:59:04,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f186c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:04, skipping insertion in model container [2021-10-06 16:59:04,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:59:04" (1/1) ... [2021-10-06 16:59:04,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 16:59:05,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 16:59:05,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/bench/exp3x3-opt.wvr.c[3477,3490] [2021-10-06 16:59:05,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:59:05,271 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 16:59:05,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/bench/exp3x3-opt.wvr.c[3477,3490] [2021-10-06 16:59:05,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:59:05,322 INFO L208 MainTranslator]: Completed translation [2021-10-06 16:59:05,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05 WrapperNode [2021-10-06 16:59:05,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 16:59:05,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 16:59:05,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 16:59:05,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 16:59:05,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 16:59:05,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 16:59:05,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 16:59:05,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 16:59:05,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 16:59:05,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 16:59:05,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 16:59:05,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 16:59:05,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (1/1) ... [2021-10-06 16:59:05,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:59:05,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:59:05,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 16:59:05,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 16:59:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 16:59:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 16:59:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 16:59:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 16:59:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 16:59:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 16:59:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-06 16:59:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-06 16:59:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 16:59:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-06 16:59:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-06 16:59:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-10-06 16:59:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-10-06 16:59:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 16:59:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 16:59:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-06 16:59:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-06 16:59:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 16:59:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 16:59:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 16:59:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 16:59:05,540 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 16:59:06,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 16:59:06,317 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-06 16:59:06,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:59:06 BoogieIcfgContainer [2021-10-06 16:59:06,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 16:59:06,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 16:59:06,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 16:59:06,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 16:59:06,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:59:04" (1/3) ... [2021-10-06 16:59:06,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5025584a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:59:06, skipping insertion in model container [2021-10-06 16:59:06,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:59:05" (2/3) ... [2021-10-06 16:59:06,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5025584a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:59:06, skipping insertion in model container [2021-10-06 16:59:06,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:59:06" (3/3) ... [2021-10-06 16:59:06,335 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3-opt.wvr.c [2021-10-06 16:59:06,344 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 16:59:06,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 16:59:06,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-06 16:59:06,345 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 16:59:06,420 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,421 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,421 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,422 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,422 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,422 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,422 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,423 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,423 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,423 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,423 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,424 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,424 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,425 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,426 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,426 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,429 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,429 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,429 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,430 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,431 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,431 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,432 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,433 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,433 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,433 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,434 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,434 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,434 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,434 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,435 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,435 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,436 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,436 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,436 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,437 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,437 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,437 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,438 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,438 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,438 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,439 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,439 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,439 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,440 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,440 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,441 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,441 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,442 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,442 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,443 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,443 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,444 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,444 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,444 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,445 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,446 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,446 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,446 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,446 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,447 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,447 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,448 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,449 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,450 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,450 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,451 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,451 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,451 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,451 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,452 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,452 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,453 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,453 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,453 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,454 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,454 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,454 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,455 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,455 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,455 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,456 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,457 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,457 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,459 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,462 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,469 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,470 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,470 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,470 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,470 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,471 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,471 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,471 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,480 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,481 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,482 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,482 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,483 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,487 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,487 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,488 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,488 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,488 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,495 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,495 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,495 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,499 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,499 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,499 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,500 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,500 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,502 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,502 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,503 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,503 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,503 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,505 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,505 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,505 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,506 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,506 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:59:06,535 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-10-06 16:59:06,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-06 16:59:06,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:59:06,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-06 16:59:06,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-06 16:59:06,684 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-06 16:59:06,697 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-06 16:59:06,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-06 16:59:06,940 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:06,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:06,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1924150007, now seen corresponding path program 1 times [2021-10-06 16:59:06,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:06,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067895399] [2021-10-06 16:59:06,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:06,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:59:07,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:07,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067895399] [2021-10-06 16:59:07,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067895399] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:59:07,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:59:07,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:59:07,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97070925] [2021-10-06 16:59:07,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-06 16:59:07,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:07,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-06 16:59:07,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 16:59:07,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:07,408 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:07,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:07,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:07,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:07,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 16:59:07,453 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:07,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:07,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1318843955, now seen corresponding path program 1 times [2021-10-06 16:59:07,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:07,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137073743] [2021-10-06 16:59:07,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:07,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:59:08,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:08,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137073743] [2021-10-06 16:59:08,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137073743] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:59:08,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:59:08,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-06 16:59:08,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474375152] [2021-10-06 16:59:08,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 16:59:08,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:08,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 16:59:08,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-06 16:59:08,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:08,018 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:08,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:08,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:08,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:08,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-06 16:59:08,617 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:08,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:08,629 INFO L82 PathProgramCache]: Analyzing trace with hash -469527937, now seen corresponding path program 1 times [2021-10-06 16:59:08,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:08,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847850291] [2021-10-06 16:59:08,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:08,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:59:09,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:09,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847850291] [2021-10-06 16:59:09,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847850291] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:09,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703902099] [2021-10-06 16:59:09,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:09,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:09,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:59:09,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:59:09,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-06 16:59:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:09,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-06 16:59:09,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:59:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 16:59:10,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703902099] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:59:10,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:59:10,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 11 [2021-10-06 16:59:10,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555280451] [2021-10-06 16:59:10,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 16:59:10,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:10,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 16:59:10,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-10-06 16:59:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:10,093 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:10,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:10,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:10,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:10,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:10,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-06 16:59:10,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:10,460 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:10,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:10,461 INFO L82 PathProgramCache]: Analyzing trace with hash 2078225643, now seen corresponding path program 1 times [2021-10-06 16:59:10,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:10,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698851349] [2021-10-06 16:59:10,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:10,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 16:59:10,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:10,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698851349] [2021-10-06 16:59:10,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698851349] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:59:10,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:59:10,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-06 16:59:10,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31745446] [2021-10-06 16:59:10,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 16:59:10,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:10,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 16:59:10,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-06 16:59:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:10,639 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:10,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:10,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:10,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:10,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:21,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-06 16:59:21,854 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:21,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:21,855 INFO L82 PathProgramCache]: Analyzing trace with hash 152393167, now seen corresponding path program 1 times [2021-10-06 16:59:21,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:21,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420303705] [2021-10-06 16:59:21,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:21,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 16:59:22,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:22,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420303705] [2021-10-06 16:59:22,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420303705] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:59:22,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:59:22,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-06 16:59:22,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758952792] [2021-10-06 16:59:22,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 16:59:22,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:22,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 16:59:22,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-06 16:59:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:22,123 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:22,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:22,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:22,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:22,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:22,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:22,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:22,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:22,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:22,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-06 16:59:22,215 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:22,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:22,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1240919963, now seen corresponding path program 1 times [2021-10-06 16:59:22,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:22,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853583002] [2021-10-06 16:59:22,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:22,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 16:59:22,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:22,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853583002] [2021-10-06 16:59:22,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853583002] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:22,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555629653] [2021-10-06 16:59:22,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:22,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:22,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:59:22,445 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:59:22,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-06 16:59:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:22,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-06 16:59:22,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:59:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 16:59:23,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555629653] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:23,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:59:23,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-10-06 16:59:23,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986541232] [2021-10-06 16:59:23,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-06 16:59:23,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:23,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-06 16:59:23,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-10-06 16:59:23,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:23,051 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:23,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.166666666666668) internal successors, (230), 12 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:23,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:23,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:23,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:23,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:23,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:23,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:24,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-06 16:59:24,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-06 16:59:24,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:24,391 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:24,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:24,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1091108719, now seen corresponding path program 1 times [2021-10-06 16:59:24,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:24,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113940027] [2021-10-06 16:59:24,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:24,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 16:59:24,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:24,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113940027] [2021-10-06 16:59:24,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113940027] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:24,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111975414] [2021-10-06 16:59:24,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:24,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:24,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:59:24,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:59:24,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-06 16:59:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:24,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-06 16:59:24,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:59:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 16:59:25,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111975414] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:25,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:59:25,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-10-06 16:59:25,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178522834] [2021-10-06 16:59:25,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-06 16:59:25,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:25,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-06 16:59:25,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-10-06 16:59:25,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:25,211 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:25,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.166666666666668) internal successors, (230), 12 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:25,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:25,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:25,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:25,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:25,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:25,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-06 16:59:25,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:25,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:25,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:25,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-06 16:59:25,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:59:25,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-06 16:59:25,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:25,869 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:25,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:25,869 INFO L82 PathProgramCache]: Analyzing trace with hash 274584875, now seen corresponding path program 1 times [2021-10-06 16:59:25,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:25,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052512293] [2021-10-06 16:59:25,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:25,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 16:59:26,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:26,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052512293] [2021-10-06 16:59:26,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052512293] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:26,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499671495] [2021-10-06 16:59:26,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:26,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:26,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:59:26,121 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:59:26,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-06 16:59:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:26,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-06 16:59:26,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:59:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 16:59:27,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499671495] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:27,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:59:27,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2021-10-06 16:59:27,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413889398] [2021-10-06 16:59:27,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-06 16:59:27,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:27,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-06 16:59:27,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-06 16:59:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:27,691 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:27,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.0) internal successors, (198), 11 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:27,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:27,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:27,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:27,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:27,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:27,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-06 16:59:27,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:59:27,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-06 16:59:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:59:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:59:27,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-06 16:59:28,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:28,147 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:28,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:28,149 INFO L82 PathProgramCache]: Analyzing trace with hash -732104551, now seen corresponding path program 2 times [2021-10-06 16:59:28,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:28,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338843513] [2021-10-06 16:59:28,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:28,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-06 16:59:28,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:28,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338843513] [2021-10-06 16:59:28,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338843513] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:28,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613393008] [2021-10-06 16:59:28,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:59:28,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:28,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:59:28,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:59:28,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-06 16:59:28,712 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 16:59:28,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:59:28,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-06 16:59:28,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:59:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-06 16:59:29,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613393008] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:29,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:59:29,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 11 [2021-10-06 16:59:29,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494396128] [2021-10-06 16:59:29,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-06 16:59:29,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:29,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-06 16:59:29,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-06 16:59:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:29,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:29,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.636363636363637) internal successors, (172), 11 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-06 16:59:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:59:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:59:29,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-06 16:59:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:59:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:59:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:59:29,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-06 16:59:29,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:29,970 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-06 16:59:29,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:59:29,972 INFO L82 PathProgramCache]: Analyzing trace with hash 89116143, now seen corresponding path program 3 times [2021-10-06 16:59:29,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:59:29,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358589625] [2021-10-06 16:59:29,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:59:29,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:59:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:59:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-06 16:59:30,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:59:30,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358589625] [2021-10-06 16:59:30,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358589625] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:30,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098676753] [2021-10-06 16:59:30,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-06 16:59:30,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:59:30,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:59:30,183 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:59:30,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-06 16:59:30,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-06 16:59:30,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:59:30,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-06 16:59:30,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:59:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-06 16:59:31,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098676753] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:59:31,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:59:31,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2021-10-06 16:59:31,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329201494] [2021-10-06 16:59:31,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-06 16:59:31,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:59:31,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-06 16:59:31,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-06 16:59:31,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:31,112 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:59:31,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 18.846153846153847) internal successors, (245), 13 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:59:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:59:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:59:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:59:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-06 16:59:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:59:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:59:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:59:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.