./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 10:04:05,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 10:04:05,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 10:04:05,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 10:04:05,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 10:04:05,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 10:04:05,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 10:04:05,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 10:04:05,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 10:04:05,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 10:04:05,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 10:04:05,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 10:04:05,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 10:04:05,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 10:04:05,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 10:04:05,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 10:04:05,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 10:04:05,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 10:04:05,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 10:04:05,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 10:04:05,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 10:04:05,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 10:04:05,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 10:04:05,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 10:04:05,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 10:04:05,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 10:04:05,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 10:04:05,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 10:04:05,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 10:04:05,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 10:04:05,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 10:04:05,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 10:04:05,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 10:04:05,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 10:04:05,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 10:04:05,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 10:04:05,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 10:04:05,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 10:04:05,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 10:04:05,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 10:04:05,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 10:04:05,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 10:04:06,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 10:04:06,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 10:04:06,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 10:04:06,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 10:04:06,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 10:04:06,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 10:04:06,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 10:04:06,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 10:04:06,049 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 10:04:06,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 10:04:06,050 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 10:04:06,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 10:04:06,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 10:04:06,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 10:04:06,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 10:04:06,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 10:04:06,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 10:04:06,052 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 10:04:06,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 10:04:06,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 10:04:06,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 10:04:06,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 10:04:06,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 10:04:06,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 10:04:06,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 10:04:06,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 10:04:06,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 10:04:06,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 10:04:06,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 10:04:06,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 10:04:06,056 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 10:04:06,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 10:04:06,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 10:04:06,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 10:04:06,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 10:04:06,057 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 10:04:06,058 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 10:04:06,058 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f [2021-12-07 10:04:06,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 10:04:06,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 10:04:06,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 10:04:06,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 10:04:06,357 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 10:04:06,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2021-12-07 10:04:06,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/data/f76a8bad6/420ce4eea9cf4f03a64a0909e9815738/FLAG15b6c9449 [2021-12-07 10:04:06,913 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 10:04:06,914 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2021-12-07 10:04:06,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/data/f76a8bad6/420ce4eea9cf4f03a64a0909e9815738/FLAG15b6c9449 [2021-12-07 10:04:07,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/data/f76a8bad6/420ce4eea9cf4f03a64a0909e9815738 [2021-12-07 10:04:07,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 10:04:07,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 10:04:07,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 10:04:07,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 10:04:07,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 10:04:07,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a899323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07, skipping insertion in model container [2021-12-07 10:04:07,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 10:04:07,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 10:04:07,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2533,2546] [2021-12-07 10:04:07,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 10:04:07,523 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 10:04:07,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2533,2546] [2021-12-07 10:04:07,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 10:04:07,595 INFO L208 MainTranslator]: Completed translation [2021-12-07 10:04:07,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07 WrapperNode [2021-12-07 10:04:07,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 10:04:07,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 10:04:07,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 10:04:07,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 10:04:07,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,694 INFO L137 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 229 [2021-12-07 10:04:07,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 10:04:07,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 10:04:07,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 10:04:07,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 10:04:07,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 10:04:07,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 10:04:07,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 10:04:07,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 10:04:07,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (1/1) ... [2021-12-07 10:04:07,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 10:04:07,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:07,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 10:04:07,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 10:04:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 10:04:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 10:04:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 10:04:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 10:04:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-07 10:04:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-07 10:04:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-07 10:04:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-07 10:04:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-07 10:04:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-07 10:04:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 10:04:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-07 10:04:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-07 10:04:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 10:04:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 10:04:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 10:04:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 10:04:07,839 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 10:04:07,940 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 10:04:07,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 10:04:08,362 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 10:04:08,546 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 10:04:08,546 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-07 10:04:08,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:04:08 BoogieIcfgContainer [2021-12-07 10:04:08,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 10:04:08,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 10:04:08,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 10:04:08,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 10:04:08,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:04:07" (1/3) ... [2021-12-07 10:04:08,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b21eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:04:08, skipping insertion in model container [2021-12-07 10:04:08,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:04:07" (2/3) ... [2021-12-07 10:04:08,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b21eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:04:08, skipping insertion in model container [2021-12-07 10:04:08,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:04:08" (3/3) ... [2021-12-07 10:04:08,560 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2021-12-07 10:04:08,565 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 10:04:08,565 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 10:04:08,565 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 10:04:08,565 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 10:04:08,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,651 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,652 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,664 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,680 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,681 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,682 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,690 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,693 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,695 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,699 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,700 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,708 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,708 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,708 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,708 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,708 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,708 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,709 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,709 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,709 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,709 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,709 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,709 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,710 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,710 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,711 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,711 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,711 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,711 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,711 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,712 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,712 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,712 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,712 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,713 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,713 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,713 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,713 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,713 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,713 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,714 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,714 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,714 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,715 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,716 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,720 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,720 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,720 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,721 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,721 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,721 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,721 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,721 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,721 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,722 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,723 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,723 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,723 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,726 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,727 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,728 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,729 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,730 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:08,737 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-07 10:04:08,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 10:04:08,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:08,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 10:04:08,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 10:04:08,826 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-12-07 10:04:08,832 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2021-12-07 10:04:08,833 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-07 10:04:08,994 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem14#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:09,057 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem14#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 10:04:09,172 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:09,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:09,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1651278616, now seen corresponding path program 1 times [2021-12-07 10:04:09,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:09,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913185783] [2021-12-07 10:04:09,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:09,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:09,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:09,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913185783] [2021-12-07 10:04:09,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913185783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 10:04:09,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 10:04:09,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 10:04:09,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404697380] [2021-12-07 10:04:09,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 10:04:09,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 10:04:09,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:09,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 10:04:09,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 10:04:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:09,504 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:09,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 10:04:09,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:09,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:09,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 10:04:09,563 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:09,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1188862727, now seen corresponding path program 1 times [2021-12-07 10:04:09,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:09,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018993107] [2021-12-07 10:04:09,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:09,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:09,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:09,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018993107] [2021-12-07 10:04:09,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018993107] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 10:04:09,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 10:04:09,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 10:04:09,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763820035] [2021-12-07 10:04:09,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 10:04:09,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 10:04:09,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:09,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 10:04:09,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-07 10:04:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:09,869 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:09,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2021-12-07 10:04:09,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:09,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:09,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:09,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:09,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 10:04:09,927 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:09,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:09,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1868921097, now seen corresponding path program 1 times [2021-12-07 10:04:09,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:09,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363834512] [2021-12-07 10:04:09,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:09,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:10,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:10,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:10,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363834512] [2021-12-07 10:04:10,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363834512] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 10:04:10,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 10:04:10,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 10:04:10,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615580419] [2021-12-07 10:04:10,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 10:04:10,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 10:04:10,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:10,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 10:04:10,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-12-07 10:04:10,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:10,292 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:10,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-12-07 10:04:10,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:10,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:10,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:10,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 10:04:10,504 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:10,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:10,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2090282975, now seen corresponding path program 1 times [2021-12-07 10:04:10,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:10,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995881241] [2021-12-07 10:04:10,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:10,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:10,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:10,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995881241] [2021-12-07 10:04:10,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995881241] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:10,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339530709] [2021-12-07 10:04:10,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:10,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:10,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:10,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:04:10,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 10:04:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:10,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 10:04:10,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:04:11,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:11,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:04:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:11,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339530709] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:11,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-07 10:04:11,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-12-07 10:04:11,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359122617] [2021-12-07 10:04:11,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 10:04:11,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 10:04:11,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:11,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 10:04:11,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-12-07 10:04:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:11,762 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:11,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 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) [2021-12-07 10:04:11,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:11,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:11,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:11,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:11,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:11,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:11,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 10:04:12,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:12,186 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:12,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:12,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1196725283, now seen corresponding path program 1 times [2021-12-07 10:04:12,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:12,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419451928] [2021-12-07 10:04:12,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:12,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:12,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:12,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419451928] [2021-12-07 10:04:12,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419451928] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:12,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050533294] [2021-12-07 10:04:12,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:12,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:12,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:12,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:04:12,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 10:04:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:12,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 10:04:12,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:04:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:13,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:04:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:13,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050533294] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:13,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-07 10:04:13,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2021-12-07 10:04:13,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144127400] [2021-12-07 10:04:13,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 10:04:13,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 10:04:13,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:13,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 10:04:13,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2021-12-07 10:04:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:13,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:13,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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) [2021-12-07 10:04:13,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:13,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:13,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:13,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:13,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:13,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:13,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:13,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:13,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:13,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:04:13,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-07 10:04:14,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:14,116 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:14,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:14,119 INFO L85 PathProgramCache]: Analyzing trace with hash 109792106, now seen corresponding path program 1 times [2021-12-07 10:04:14,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:14,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542509758] [2021-12-07 10:04:14,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:14,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 10:04:14,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:14,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542509758] [2021-12-07 10:04:14,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542509758] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:14,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648264649] [2021-12-07 10:04:14,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:14,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:14,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:14,297 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:04:14,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 10:04:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:14,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-07 10:04:14,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:04:15,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 19 [2021-12-07 10:04:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 10:04:15,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:04:15,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 38 [2021-12-07 10:04:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 10:04:15,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648264649] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:15,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-07 10:04:15,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 7] total 11 [2021-12-07 10:04:15,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521672115] [2021-12-07 10:04:15,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 10:04:15,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 10:04:15,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:15,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 10:04:15,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2021-12-07 10:04:15,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:15,892 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:15,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 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) [2021-12-07 10:04:15,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:15,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:15,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:15,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:15,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:04:15,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:15,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:15,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:15,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:15,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:15,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:04:15,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:15,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-07 10:04:16,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-07 10:04:16,168 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:16,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:16,169 INFO L85 PathProgramCache]: Analyzing trace with hash -570266264, now seen corresponding path program 1 times [2021-12-07 10:04:16,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:16,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051301103] [2021-12-07 10:04:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:16,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:18,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:18,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051301103] [2021-12-07 10:04:18,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051301103] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:18,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014124378] [2021-12-07 10:04:18,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:18,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:18,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:18,105 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:04:18,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 10:04:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:18,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 58 conjunts are in the unsatisfiable core [2021-12-07 10:04:18,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:04:21,896 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:04:21,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 46 [2021-12-07 10:04:22,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:22,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:04:24,945 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:04:24,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 32 [2021-12-07 10:04:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:27,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014124378] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:04:27,104 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:04:27,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 92 [2021-12-07 10:04:27,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332319286] [2021-12-07 10:04:27,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:04:27,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2021-12-07 10:04:27,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:27,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-12-07 10:04:27,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=884, Invalid=7488, Unknown=0, NotChecked=0, Total=8372 [2021-12-07 10:04:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:27,111 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:27,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.728260869565218) internal successors, (435), 92 states have internal predecessors, (435), 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) [2021-12-07 10:04:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:27,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:27,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:27,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:27,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:04:27,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:27,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:04:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-12-07 10:04:40,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-07 10:04:40,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:40,578 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:40,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1712384319, now seen corresponding path program 2 times [2021-12-07 10:04:40,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:40,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164259066] [2021-12-07 10:04:40,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:40,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:40,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:40,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164259066] [2021-12-07 10:04:40,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164259066] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:40,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143202370] [2021-12-07 10:04:40,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 10:04:40,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:40,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:40,850 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:04:40,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-07 10:04:40,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 10:04:40,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:04:40,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-07 10:04:40,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:04:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:41,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:04:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:42,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143202370] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:04:42,152 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:04:42,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 30 [2021-12-07 10:04:42,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747465520] [2021-12-07 10:04:42,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:04:42,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-07 10:04:42,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:42,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-07 10:04:42,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2021-12-07 10:04:42,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:42,155 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:42,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.366666666666667) internal successors, (281), 30 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 10:04:42,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:42,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:42,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:42,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:42,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:04:42,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:42,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-12-07 10:04:42,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:04:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-12-07 10:04:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 10:04:43,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-07 10:04:43,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-07 10:04:43,440 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:43,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:43,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1011266562, now seen corresponding path program 3 times [2021-12-07 10:04:43,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:43,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400971895] [2021-12-07 10:04:43,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:43,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:43,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:43,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400971895] [2021-12-07 10:04:43,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400971895] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:43,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538914031] [2021-12-07 10:04:43,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 10:04:43,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:43,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:43,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:04:43,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-07 10:04:43,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-07 10:04:43,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:04:43,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 10:04:43,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:04:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:44,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:04:44,779 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:44,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538914031] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:04:44,779 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:04:44,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2021-12-07 10:04:44,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456114926] [2021-12-07 10:04:44,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:04:44,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-07 10:04:44,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:44,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-07 10:04:44,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2021-12-07 10:04:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:44,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:44,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 14.125) internal successors, (339), 24 states have internal predecessors, (339), 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) [2021-12-07 10:04:44,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:44,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:44,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:44,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:44,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:04:44,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:44,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-12-07 10:04:44,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 10:04:44,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:46,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:04:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:04:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-12-07 10:04:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 10:04:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:04:46,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-07 10:04:46,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-07 10:04:46,770 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:46,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:46,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1416940257, now seen corresponding path program 1 times [2021-12-07 10:04:46,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:46,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888554758] [2021-12-07 10:04:46,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:46,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 10:04:46,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:46,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888554758] [2021-12-07 10:04:46,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888554758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 10:04:46,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 10:04:46,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 10:04:46,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946123389] [2021-12-07 10:04:46,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 10:04:46,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 10:04:46,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:46,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 10:04:46,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-07 10:04:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:46,920 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:46,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 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) [2021-12-07 10:04:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:04:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:04:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-12-07 10:04:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 10:04:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:04:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:47,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:04:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:04:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-12-07 10:04:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 10:04:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:04:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:47,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 10:04:47,369 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:47,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:47,369 INFO L85 PathProgramCache]: Analyzing trace with hash 325240554, now seen corresponding path program 1 times [2021-12-07 10:04:47,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:47,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952857940] [2021-12-07 10:04:47,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:47,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:47,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:47,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952857940] [2021-12-07 10:04:47,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952857940] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:47,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956461746] [2021-12-07 10:04:47,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:47,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:47,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:47,722 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:04:47,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-07 10:04:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:47,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-07 10:04:47,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:04:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:48,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:04:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:49,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956461746] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:04:49,597 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:04:49,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 39 [2021-12-07 10:04:49,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111428978] [2021-12-07 10:04:49,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:04:49,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-12-07 10:04:49,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:04:49,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-12-07 10:04:49,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1311, Unknown=0, NotChecked=0, Total=1482 [2021-12-07 10:04:49,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:49,600 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:04:49,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 12.76923076923077) internal successors, (498), 39 states have internal predecessors, (498), 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) [2021-12-07 10:04:49,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:49,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:49,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:49,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:04:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:04:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-12-07 10:04:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 10:04:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:04:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:52,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:04:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:04:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:04:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:04:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:04:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-12-07 10:04:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 10:04:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:04:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:04:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 10:04:52,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-07 10:04:53,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:53,011 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:04:53,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:04:53,012 INFO L85 PathProgramCache]: Analyzing trace with hash 2073054637, now seen corresponding path program 1 times [2021-12-07 10:04:53,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:04:53,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671652141] [2021-12-07 10:04:53,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:53,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:04:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:55,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:04:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671652141] [2021-12-07 10:04:55,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671652141] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:04:55,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996975032] [2021-12-07 10:04:55,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:04:55,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:04:55,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:04:55,306 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:04:55,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-07 10:04:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:04:55,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 73 conjunts are in the unsatisfiable core [2021-12-07 10:04:55,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:04:55,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-07 10:04:55,634 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-07 10:04:55,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-12-07 10:04:56,056 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-12-07 10:04:56,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2021-12-07 10:04:56,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-07 10:04:56,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-07 10:04:57,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-07 10:04:57,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-07 10:04:58,654 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:04:58,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 34 [2021-12-07 10:04:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:04:59,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:05:02,288 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_321 (Array Int Int))) (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_321) c_~A~0.base))) (let ((.cse1 (+ (select .cse2 (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~A~0.offset)) c_~mts1~0))) (or (< (+ ~M~0 1) c_~N~0) (<= c_~N~0 ~M~0) (let ((.cse0 (+ (select .cse2 (+ c_~A~0.offset (* ~M~0 4))) c_~mts3~0))) (and (or (< .cse0 0) (and (<= .cse1 .cse0) (<= .cse0 .cse1))) (or (<= 0 .cse0) (<= .cse1 0)))) (< .cse1 0))))) is different from false [2021-12-07 10:05:04,474 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_320 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse2 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_320) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_321) c_~A~0.base))) (let ((.cse1 (+ c_~mts1~0 (select .cse2 (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~A~0.offset))))) (or (let ((.cse0 (+ (select .cse2 (+ c_~A~0.offset (* ~M~0 4))) c_~mts3~0))) (and (or (<= 0 .cse0) (<= .cse1 0)) (or (and (<= .cse0 .cse1) (<= .cse1 .cse0)) (< .cse0 0)))) (< .cse1 0) (< (+ ~M~0 1) c_~N~0) (<= c_~N~0 ~M~0))))) is different from false [2021-12-07 10:05:06,323 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_320 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse2 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_320) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_321) c_~A~0.base))) (let ((.cse0 (+ c_~mts1~0 (select .cse2 c_~A~0.offset)))) (or (< .cse0 0) (< (+ ~M~0 1) c_~N~0) (<= c_~N~0 ~M~0) (let ((.cse1 (+ (select .cse2 (+ c_~A~0.offset (* ~M~0 4))) c_~mts3~0))) (and (or (< .cse1 0) (and (<= .cse1 .cse0) (<= .cse0 .cse1))) (or (<= .cse0 0) (<= 0 .cse1)))))))) is different from false [2021-12-07 10:05:06,970 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_319 (Array Int Int)) (~M~0 Int) (v_ArrVal_320 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_319) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_320) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_321) c_~A~0.base))) (let ((.cse0 (+ (select .cse2 c_~A~0.offset) c_~mts1~0))) (or (< .cse0 0) (let ((.cse1 (+ c_~mts3~0 (select .cse2 (+ c_~A~0.offset (* ~M~0 4)))))) (and (or (< .cse1 0) (and (<= .cse1 .cse0) (<= .cse0 .cse1))) (or (<= 0 .cse1) (<= .cse0 0)))) (< (+ ~M~0 1) c_~N~0) (<= c_~N~0 ~M~0))))) is different from false [2021-12-07 10:05:10,540 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_319 (Array Int Int)) (~M~0 Int) (v_ArrVal_320 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_319) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_320) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_321) |c_ULTIMATE.start_main_#t~ret20#1.base|))) (let ((.cse0 (+ c_~mts1~0 (select .cse2 |c_ULTIMATE.start_main_#t~ret20#1.offset|)))) (or (< .cse0 0) (< (+ ~M~0 1) c_~N~0) (<= c_~N~0 ~M~0) (let ((.cse1 (+ c_~mts3~0 (select .cse2 (+ |c_ULTIMATE.start_main_#t~ret20#1.offset| (* ~M~0 4)))))) (and (or (<= .cse0 0) (<= 0 .cse1)) (or (< .cse1 0) (and (<= .cse0 .cse1) (<= .cse1 .cse0))))))))) is different from false [2021-12-07 10:05:11,232 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_319 (Array Int Int)) (~M~0 Int) (v_ArrVal_320 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_319) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_320) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_321) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse1 (+ (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~mts1~0))) (or (let ((.cse0 (+ c_~mts3~0 (select .cse2 (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))))) (and (or (and (<= .cse0 .cse1) (<= .cse1 .cse0)) (< .cse0 0)) (or (<= 0 .cse0) (<= .cse1 0)))) (< (+ ~M~0 1) c_~N~0) (< .cse1 0) (<= c_~N~0 ~M~0))))) is different from false [2021-12-07 10:05:11,570 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_319 (Array Int Int)) (~M~0 Int) (v_ArrVal_320 (Array Int Int)) (v_ArrVal_321 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_319) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_320) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_321) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse0 (+ (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~mts1~0))) (or (< (+ ~M~0 1) c_~N~0) (< .cse0 0) (let ((.cse1 (+ (select .cse2 (+ (* ~M~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~mts3~0))) (and (or (< .cse1 0) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) (or (<= 0 .cse1) (<= .cse0 0)))) (<= c_~N~0 ~M~0))))) is different from false [2021-12-07 10:05:13,811 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:05:13,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 255 treesize of output 171 [2021-12-07 10:05:13,831 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:05:13,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1989 treesize of output 1905 [2021-12-07 10:05:13,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:05:13,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1893 treesize of output 1777 [2021-12-07 10:05:13,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:05:13,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1765 treesize of output 1521 [2021-12-07 10:05:13,956 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:05:13,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1394 treesize of output 1342 [2021-12-07 10:05:18,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-07 10:05:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:05:18,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996975032] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:05:18,877 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:05:18,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 41, 39] total 107 [2021-12-07 10:05:18,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867167032] [2021-12-07 10:05:18,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:05:18,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2021-12-07 10:05:18,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:05:18,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2021-12-07 10:05:18,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=967, Invalid=8952, Unknown=9, NotChecked=1414, Total=11342 [2021-12-07 10:05:18,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:05:18,920 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:05:18,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 4.065420560747664) internal successors, (435), 107 states have internal predecessors, (435), 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) [2021-12-07 10:05:18,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:05:18,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:05:18,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:05:18,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:05:18,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:05:18,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:05:18,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-12-07 10:05:18,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 10:05:18,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:05:18,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:05:18,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-12-07 10:05:18,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:06:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:06:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:06:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-12-07 10:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:06:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:06:02,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-07 10:06:03,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-07 10:06:03,042 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:06:03,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:06:03,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1110386519, now seen corresponding path program 4 times [2021-12-07 10:06:03,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:06:03,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878799230] [2021-12-07 10:06:03,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:06:03,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:06:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:06:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 10:06:03,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:06:03,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878799230] [2021-12-07 10:06:03,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878799230] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:06:03,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309029203] [2021-12-07 10:06:03,205 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 10:06:03,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:06:03,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:06:03,206 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:06:03,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-07 10:06:03,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 10:06:03,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:06:03,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 10:06:03,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:06:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 10:06:03,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:06:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 10:06:04,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309029203] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:06:04,114 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:06:04,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2021-12-07 10:06:04,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911795374] [2021-12-07 10:06:04,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:06:04,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-07 10:06:04,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:06:04,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-07 10:06:04,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2021-12-07 10:06:04,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:04,116 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:06:04,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.208333333333334) internal successors, (317), 24 states have internal predecessors, (317), 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) [2021-12-07 10:06:04,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:04,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:06:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:06:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:06:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:06:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:06:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:06:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:06:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:06:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:06:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:06:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:06:04,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-07 10:06:04,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:06:04,929 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:06:04,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:06:04,931 INFO L85 PathProgramCache]: Analyzing trace with hash -559330070, now seen corresponding path program 5 times [2021-12-07 10:06:04,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:06:04,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016780989] [2021-12-07 10:06:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:06:04,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:06:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:06:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:06:05,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:06:05,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016780989] [2021-12-07 10:06:05,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016780989] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:06:05,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775497571] [2021-12-07 10:06:05,121 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-07 10:06:05,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:06:05,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:06:05,122 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:06:05,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-07 10:06:05,264 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-12-07 10:06:05,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:06:05,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 10:06:05,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:06:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 10:06:05,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:06:06,368 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 10:06:06,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775497571] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:06:06,368 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:06:06,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2021-12-07 10:06:06,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278488169] [2021-12-07 10:06:06,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:06:06,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-07 10:06:06,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:06:06,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-07 10:06:06,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=722, Unknown=0, NotChecked=0, Total=812 [2021-12-07 10:06:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:06,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:06:06,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 13.413793103448276) internal successors, (389), 29 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 10:06:06,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:06,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:06:06,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:06:06,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:06,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:06:06,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:06:06,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:06:06,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:06:06,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:06:06,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:06,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:06:06,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:06:06,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:06:06,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:06:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:06:07,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-07 10:06:07,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-07 10:06:08,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:06:08,079 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:06:08,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:06:08,080 INFO L85 PathProgramCache]: Analyzing trace with hash 175446273, now seen corresponding path program 6 times [2021-12-07 10:06:08,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:06:08,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361676890] [2021-12-07 10:06:08,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:06:08,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:06:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:06:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:06:11,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:06:11,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361676890] [2021-12-07 10:06:11,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361676890] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:06:11,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529623827] [2021-12-07 10:06:11,373 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-07 10:06:11,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:06:11,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:06:11,374 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:06:11,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-07 10:06:11,503 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-12-07 10:06:11,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:06:11,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 86 conjunts are in the unsatisfiable core [2021-12-07 10:06:11,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:06:12,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-07 10:06:12,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-07 10:06:13,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-07 10:06:13,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-07 10:06:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:06:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:06:17,377 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:06:17,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 77 [2021-12-07 10:06:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:06:18,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:06:24,352 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_434 (Array Int Int))) (let ((.cse1 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4)) (.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_434) c_~A~0.base))) (or (<= 0 (+ c_~mts1~0 (select .cse0 (+ .cse1 c_~A~0.offset)))) (< 0 ~M~0) (<= (+ ~M~0 1) |c_thread1Thread1of1ForFork1_~i~0#1|) (<= 0 (select .cse0 (+ .cse1 c_~A~0.offset 4))) (let ((.cse3 (* ~M~0 4))) (let ((.cse4 (select .cse0 (+ c_~A~0.offset .cse3 4)))) (and (let ((.cse2 (+ (select .cse0 (+ c_~A~0.offset .cse3)) .cse4 c_~mts3~0))) (or (= .cse2 0) (< .cse2 0))) (or (= .cse4 0) (< .cse4 0)))))))) is different from false [2021-12-07 10:06:24,770 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_434 (Array Int Int)) (v_ArrVal_433 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_433) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_434) c_~A~0.base)) (.cse1 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4))) (or (<= 0 (select .cse0 (+ .cse1 c_~A~0.offset 4))) (< 0 ~M~0) (let ((.cse3 (* ~M~0 4))) (let ((.cse4 (select .cse0 (+ c_~A~0.offset .cse3 4)))) (and (let ((.cse2 (+ (select .cse0 (+ c_~A~0.offset .cse3)) c_~mts3~0 .cse4))) (or (< .cse2 0) (= .cse2 0))) (or (< .cse4 0) (= .cse4 0))))) (<= (+ ~M~0 1) |c_thread1Thread1of1ForFork1_~i~0#1|) (<= 0 (+ (select .cse0 (+ .cse1 c_~A~0.offset)) c_~mts1~0))))) is different from false [2021-12-07 10:06:27,876 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:06:27,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 131 [2021-12-07 10:06:27,917 INFO L354 Elim1Store]: treesize reduction 73, result has 11.0 percent of original size [2021-12-07 10:06:27,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1453 treesize of output 1373 [2021-12-07 10:06:27,971 INFO L354 Elim1Store]: treesize reduction 73, result has 11.0 percent of original size [2021-12-07 10:06:27,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1365 treesize of output 1117 [2021-12-07 10:06:28,023 INFO L354 Elim1Store]: treesize reduction 73, result has 11.0 percent of original size [2021-12-07 10:06:28,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1109 treesize of output 989 [2021-12-07 10:06:28,073 INFO L354 Elim1Store]: treesize reduction 73, result has 11.0 percent of original size [2021-12-07 10:06:28,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 981 treesize of output 925 [2021-12-07 10:06:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 43 refuted. 6 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 10:06:38,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529623827] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:06:38,776 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:06:38,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 46] total 142 [2021-12-07 10:06:38,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935936196] [2021-12-07 10:06:38,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:06:38,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2021-12-07 10:06:38,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:06:38,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2021-12-07 10:06:38,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=854, Invalid=18562, Unknown=52, NotChecked=554, Total=20022 [2021-12-07 10:06:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:38,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:06:38,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 3.992957746478873) internal successors, (567), 142 states have internal predecessors, (567), 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) [2021-12-07 10:06:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:06:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:06:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:06:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:06:38,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:06:38,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:06:38,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:06:38,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:06:38,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:06:38,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:06:38,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:06:38,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:06:38,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-12-07 10:06:38,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:07:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:07:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:07:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:07:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-07 10:07:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-12-07 10:07:38,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-07 10:07:38,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-07 10:07:38,194 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:07:38,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:07:38,196 INFO L85 PathProgramCache]: Analyzing trace with hash 44471622, now seen corresponding path program 7 times [2021-12-07 10:07:38,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:07:38,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379118249] [2021-12-07 10:07:38,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:07:38,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:07:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:07:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 19 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:07:38,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:07:38,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379118249] [2021-12-07 10:07:38,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379118249] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:07:38,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111477712] [2021-12-07 10:07:38,633 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-07 10:07:38,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:07:38,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:07:38,635 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:07:38,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-07 10:07:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:07:38,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-07 10:07:38,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:07:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 54 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:07:39,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:07:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 54 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:07:40,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111477712] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:07:40,436 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:07:40,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 45 [2021-12-07 10:07:40,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173790537] [2021-12-07 10:07:40,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:07:40,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-12-07 10:07:40,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:07:40,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-12-07 10:07:40,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1727, Unknown=0, NotChecked=0, Total=1980 [2021-12-07 10:07:40,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:40,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:07:40,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 10.28888888888889) internal successors, (463), 45 states have internal predecessors, (463), 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) [2021-12-07 10:07:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:07:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:07:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:40,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:07:40,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:07:40,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:07:40,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:07:40,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:07:40,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:40,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:07:40,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:07:40,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:07:40,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-12-07 10:07:40,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-12-07 10:07:40,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:41,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-07 10:07:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:07:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-07 10:07:41,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-07 10:07:42,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-07 10:07:42,157 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:07:42,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:07:42,158 INFO L85 PathProgramCache]: Analyzing trace with hash 198785371, now seen corresponding path program 8 times [2021-12-07 10:07:42,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:07:42,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149708301] [2021-12-07 10:07:42,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:07:42,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:07:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:07:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 78 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:07:42,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:07:42,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149708301] [2021-12-07 10:07:42,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149708301] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:07:42,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996064003] [2021-12-07 10:07:42,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 10:07:42,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:07:42,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:07:42,369 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:07:42,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-07 10:07:42,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 10:07:42,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:07:42,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-07 10:07:42,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:07:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 112 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:07:43,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:07:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 112 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:07:43,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996064003] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:07:43,712 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:07:43,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2021-12-07 10:07:43,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123103280] [2021-12-07 10:07:43,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:07:43,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-07 10:07:43,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:07:43,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-07 10:07:43,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 10:07:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:43,714 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:07:43,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 12.882352941176471) internal successors, (438), 34 states have internal predecessors, (438), 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) [2021-12-07 10:07:43,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:43,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:07:43,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:07:43,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:43,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:07:43,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:07:43,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:07:43,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:07:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:07:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:07:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:07:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:07:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-12-07 10:07:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:07:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-12-07 10:07:43,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:07:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:07:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:07:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:07:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-07 10:07:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-12-07 10:07:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-07 10:07:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:07:45,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-07 10:07:45,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-07 10:07:45,865 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:07:45,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:07:45,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1049967608, now seen corresponding path program 1 times [2021-12-07 10:07:45,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:07:45,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989665339] [2021-12-07 10:07:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:07:45,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:07:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:07:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:07:49,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:07:49,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989665339] [2021-12-07 10:07:49,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989665339] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:07:49,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858321969] [2021-12-07 10:07:49,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:07:49,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:07:49,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:07:49,582 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:07:49,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-07 10:07:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:07:49,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 77 conjunts are in the unsatisfiable core [2021-12-07 10:07:49,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:07:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:07:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:07:55,485 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:07:55,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 80 [2021-12-07 10:07:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:07:56,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:08:03,628 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-12-07 10:08:03,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 263 treesize of output 124 [2021-12-07 10:08:05,746 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:08:05,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858321969] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:08:05,747 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:08:05,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 50, 45] total 137 [2021-12-07 10:08:05,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875615758] [2021-12-07 10:08:05,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:08:05,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2021-12-07 10:08:05,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:08:05,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2021-12-07 10:08:05,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=886, Invalid=17746, Unknown=0, NotChecked=0, Total=18632 [2021-12-07 10:08:05,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:08:05,755 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:08:05,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 4.072992700729927) internal successors, (558), 137 states have internal predecessors, (558), 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) [2021-12-07 10:08:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:08:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:08:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:08:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:08:05,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:08:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:08:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2021-12-07 10:08:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:08:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:08:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:08:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:08:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-12-07 10:08:05,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:08:05,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-12-07 10:08:05,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2021-12-07 10:08:05,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-12-07 10:08:05,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:08:05,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:08:51,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:08:51,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:08:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:08:51,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:08:51,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-12-07 10:08:51,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-07 10:08:51,723 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:08:51,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:08:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1101451543, now seen corresponding path program 1 times [2021-12-07 10:08:51,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:08:51,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205720976] [2021-12-07 10:08:51,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:08:51,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:08:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:08:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:08:51,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:08:51,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205720976] [2021-12-07 10:08:51,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205720976] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:08:51,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570479327] [2021-12-07 10:08:51,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:08:51,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:08:51,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:08:51,931 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:08:51,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-07 10:08:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:08:52,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 10:08:52,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:08:52,889 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:08:52,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:08:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 11 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:08:53,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570479327] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:08:53,609 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:08:53,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2021-12-07 10:08:53,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782267515] [2021-12-07 10:08:53,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:08:53,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-07 10:08:53,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:08:53,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-07 10:08:53,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2021-12-07 10:08:53,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:08:53,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:08:53,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 15.333333333333334) internal successors, (460), 30 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 10:08:53,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:08:53,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:08:53,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:08:53,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:08:53,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:08:53,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:08:53,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:08:53,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:08:53,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:08:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:08:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:08:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:08:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:08:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:08:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:08:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:08:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-12-07 10:08:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:08:58,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-07 10:08:58,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:08:58,633 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:08:58,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:08:58,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1164548246, now seen corresponding path program 1 times [2021-12-07 10:08:58,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:08:58,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577940959] [2021-12-07 10:08:58,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:08:58,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:08:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:08:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-07 10:08:58,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:08:58,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577940959] [2021-12-07 10:08:58,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577940959] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:08:58,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387007594] [2021-12-07 10:08:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:08:58,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:08:58,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:08:58,797 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:08:58,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-07 10:08:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:08:58,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 10:08:58,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:08:59,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 31 [2021-12-07 10:08:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-07 10:08:59,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:08:59,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 38 [2021-12-07 10:09:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 10:09:00,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387007594] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:09:00,278 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:09:00,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 15 [2021-12-07 10:09:00,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360012705] [2021-12-07 10:09:00,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:09:00,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-07 10:09:00,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:09:00,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-07 10:09:00,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-12-07 10:09:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:00,281 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:09:00,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 42.06666666666667) internal successors, (631), 15 states have internal predecessors, (631), 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) [2021-12-07 10:09:00,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:00,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:09:00,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:09:00,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:00,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:09:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:09:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:09:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:09:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-12-07 10:09:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:09:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-12-07 10:09:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:09:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:00,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-07 10:09:00,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:09:00,598 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:09:00,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:09:00,599 INFO L85 PathProgramCache]: Analyzing trace with hash 484489876, now seen corresponding path program 1 times [2021-12-07 10:09:00,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:09:00,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306192004] [2021-12-07 10:09:00,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:09:00,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:09:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:09:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:09:01,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:09:01,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306192004] [2021-12-07 10:09:01,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306192004] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:09:01,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633504704] [2021-12-07 10:09:01,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:09:01,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:09:01,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:09:01,615 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:09:01,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-07 10:09:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:09:01,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 51 conjunts are in the unsatisfiable core [2021-12-07 10:09:01,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:09:03,479 INFO L354 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2021-12-07 10:09:03,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 18 [2021-12-07 10:09:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:09:04,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:09:04,558 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:09:04,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 53 [2021-12-07 10:09:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:09:06,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633504704] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:09:06,525 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:09:06,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 33, 33] total 89 [2021-12-07 10:09:06,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852414254] [2021-12-07 10:09:06,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:09:06,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2021-12-07 10:09:06,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:09:06,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-12-07 10:09:06,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=935, Invalid=6897, Unknown=0, NotChecked=0, Total=7832 [2021-12-07 10:09:06,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:06,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:09:06,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 7.022471910112359) internal successors, (625), 89 states have internal predecessors, (625), 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) [2021-12-07 10:09:06,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:06,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:09:06,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:09:06,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-12-07 10:09:06,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:09:06,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:06,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-12-07 10:09:06,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:09:06,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:06,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:09:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:15,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-12-07 10:09:15,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-12-07 10:09:15,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-12-07 10:09:15,844 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:09:15,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:09:15,846 INFO L85 PathProgramCache]: Analyzing trace with hash 955360663, now seen corresponding path program 2 times [2021-12-07 10:09:15,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:09:15,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962606265] [2021-12-07 10:09:15,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:09:15,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:09:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:09:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:09:16,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:09:16,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962606265] [2021-12-07 10:09:16,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962606265] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:09:16,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306718436] [2021-12-07 10:09:16,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 10:09:16,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:09:16,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:09:16,082 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:09:16,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-07 10:09:16,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 10:09:16,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:09:16,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-07 10:09:16,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:09:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:09:16,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:09:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:09:17,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306718436] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:09:17,664 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:09:17,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 35 [2021-12-07 10:09:17,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249368848] [2021-12-07 10:09:17,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:09:17,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-12-07 10:09:17,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:09:17,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-12-07 10:09:17,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2021-12-07 10:09:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:17,666 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:09:17,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 13.885714285714286) internal successors, (486), 35 states have internal predecessors, (486), 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) [2021-12-07 10:09:17,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:17,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-12-07 10:09:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:09:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-12-07 10:09:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:09:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:09:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:09:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:09:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:09:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:09:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:09:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:09:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:09:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:09:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:09:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:09:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:09:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:19,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-12-07 10:09:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-07 10:09:20,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-12-07 10:09:20,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-12-07 10:09:20,194 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:09:20,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:09:20,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1575715949, now seen corresponding path program 1 times [2021-12-07 10:09:20,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:09:20,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352574484] [2021-12-07 10:09:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:09:20,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:09:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:09:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:09:21,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:09:21,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352574484] [2021-12-07 10:09:21,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352574484] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:09:21,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218026467] [2021-12-07 10:09:21,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:09:21,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:09:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:09:21,715 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:09:21,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-07 10:09:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:09:21,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 56 conjunts are in the unsatisfiable core [2021-12-07 10:09:21,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:09:25,224 INFO L354 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2021-12-07 10:09:25,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 15 [2021-12-07 10:09:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:09:25,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:09:26,315 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:09:26,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 64 [2021-12-07 10:09:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:09:28,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218026467] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:09:28,990 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:09:28,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 34, 34] total 100 [2021-12-07 10:09:28,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177122442] [2021-12-07 10:09:28,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:09:28,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2021-12-07 10:09:28,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:09:28,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-12-07 10:09:28,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=620, Invalid=9280, Unknown=0, NotChecked=0, Total=9900 [2021-12-07 10:09:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:28,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:09:28,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 6.4) internal successors, (640), 100 states have internal predecessors, (640), 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) [2021-12-07 10:09:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:09:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:09:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:09:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:09:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:28,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:09:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:09:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-12-07 10:09:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-12-07 10:09:28,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:09:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:09:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:09:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-12-07 10:09:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-07 10:09:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-12-07 10:09:43,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-12-07 10:09:43,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:09:43,985 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:09:43,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:09:43,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2013924301, now seen corresponding path program 1 times [2021-12-07 10:09:43,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:09:43,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214266620] [2021-12-07 10:09:43,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:09:43,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:09:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:09:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 10:09:45,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:09:45,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214266620] [2021-12-07 10:09:45,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214266620] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:09:45,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793383330] [2021-12-07 10:09:45,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:09:45,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:09:45,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:09:45,317 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:09:45,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-12-07 10:09:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:09:45,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-07 10:09:45,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:09:46,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-07 10:09:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 10:09:46,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 10:09:46,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793383330] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 10:09:46,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 10:09:46,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [30] total 52 [2021-12-07 10:09:46,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232191353] [2021-12-07 10:09:46,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 10:09:46,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-07 10:09:46,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:09:46,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-07 10:09:46,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2428, Unknown=0, NotChecked=0, Total=2652 [2021-12-07 10:09:46,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:46,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:09:46,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.375) internal successors, (225), 24 states have internal predecessors, (225), 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) [2021-12-07 10:09:46,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:09:46,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:09:46,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:09:46,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:09:46,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:09:46,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-12-07 10:09:46,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:09:46,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-12-07 10:09:46,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-12-07 10:09:46,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-12-07 10:09:46,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:10:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:10:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:10:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:10:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:10:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:10:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:10:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:10:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:10:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-12-07 10:10:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:10:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-12-07 10:10:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:10:01,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-12-07 10:10:01,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-12-07 10:10:01,760 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:10:01,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:10:01,762 INFO L85 PathProgramCache]: Analyzing trace with hash 594720748, now seen corresponding path program 2 times [2021-12-07 10:10:01,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:10:01,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843509476] [2021-12-07 10:10:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:10:01,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:10:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:10:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:10:05,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:10:05,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843509476] [2021-12-07 10:10:05,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843509476] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:10:05,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14319673] [2021-12-07 10:10:05,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 10:10:05,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:10:05,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:10:05,310 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:10:05,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-12-07 10:10:05,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 10:10:05,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:10:05,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 70 conjunts are in the unsatisfiable core [2021-12-07 10:10:05,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:10:10,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:10:10,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:10:10,401 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:10:10,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 83 [2021-12-07 10:10:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 10:10:11,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:10:15,844 INFO L354 Elim1Store]: treesize reduction 64, result has 37.9 percent of original size [2021-12-07 10:10:15,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 71 [2021-12-07 10:10:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 10:10:16,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14319673] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:10:16,633 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:10:16,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 46, 40] total 129 [2021-12-07 10:10:16,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844179649] [2021-12-07 10:10:16,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:10:16,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2021-12-07 10:10:16,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:10:16,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2021-12-07 10:10:16,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=856, Invalid=15656, Unknown=0, NotChecked=0, Total=16512 [2021-12-07 10:10:16,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:10:16,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:10:16,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 4.255813953488372) internal successors, (549), 129 states have internal predecessors, (549), 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) [2021-12-07 10:10:16,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:10:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:10:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:10:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:10:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:10:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:10:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:10:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:10:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:10:16,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:10:16,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:10:16,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:10:16,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:10:16,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:10:16,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:10:16,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:10:16,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:10:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:10:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:10:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:10:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-12-07 10:10:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:10:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-12-07 10:10:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:10:16,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:10:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:10:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:10:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:10:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:10:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:10:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:10:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:10:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:10:57,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:10:57,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:10:57,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:10:57,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-12-07 10:10:57,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:10:57,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-12-07 10:10:57,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-12-07 10:10:57,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-12-07 10:10:57,612 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:10:57,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:10:57,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1162574445, now seen corresponding path program 2 times [2021-12-07 10:10:57,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:10:57,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269264479] [2021-12-07 10:10:57,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:10:57,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:10:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:11:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:11:02,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:11:02,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269264479] [2021-12-07 10:11:02,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269264479] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:11:02,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923934769] [2021-12-07 10:11:02,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 10:11:02,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:11:02,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:11:02,265 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:11:02,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-12-07 10:11:02,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 10:11:02,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:11:02,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 80 conjunts are in the unsatisfiable core [2021-12-07 10:11:02,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:11:07,433 INFO L354 Elim1Store]: treesize reduction 51, result has 37.8 percent of original size [2021-12-07 10:11:07,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 131 treesize of output 86 [2021-12-07 10:11:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:11:08,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:11:15,348 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-12-07 10:11:15,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 340 treesize of output 145 [2021-12-07 10:11:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:11:18,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923934769] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:11:18,077 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:11:18,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 46, 45] total 136 [2021-12-07 10:11:18,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748283229] [2021-12-07 10:11:18,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:11:18,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2021-12-07 10:11:18,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:11:18,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2021-12-07 10:11:18,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1135, Invalid=17225, Unknown=0, NotChecked=0, Total=18360 [2021-12-07 10:11:18,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:11:18,081 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:11:18,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 4.036764705882353) internal successors, (549), 136 states have internal predecessors, (549), 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) [2021-12-07 10:11:18,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:11:18,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:11:18,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:11:18,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:11:18,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:11:18,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:11:18,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:11:18,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:11:18,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:11:18,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:11:18,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:11:18,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:11:18,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:11:18,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:11:18,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:11:18,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:11:18,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:11:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-12-07 10:11:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:11:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:11:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:11:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:11:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-12-07 10:11:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:11:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-12-07 10:11:18,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:12:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-12-07 10:12:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:12:11,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-12-07 10:12:11,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:12:11,731 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:12:11,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:12:11,732 INFO L85 PathProgramCache]: Analyzing trace with hash -781097079, now seen corresponding path program 2 times [2021-12-07 10:12:11,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:12:11,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9805415] [2021-12-07 10:12:11,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:12:11,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:12:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:12:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:12:13,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:12:13,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9805415] [2021-12-07 10:12:13,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9805415] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:12:13,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693611229] [2021-12-07 10:12:13,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 10:12:13,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:12:13,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:12:13,175 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:12:13,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-12-07 10:12:13,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 10:12:13,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:12:13,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 30 conjunts are in the unsatisfiable core [2021-12-07 10:12:13,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:12:14,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-07 10:12:14,601 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 10:12:14,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 10:12:14,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693611229] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 10:12:14,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 10:12:14,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [47] total 64 [2021-12-07 10:12:14,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399439969] [2021-12-07 10:12:14,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 10:12:14,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-07 10:12:14,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:12:14,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-07 10:12:14,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=510, Invalid=3522, Unknown=0, NotChecked=0, Total=4032 [2021-12-07 10:12:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:12:14,604 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:12:14,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.842105263157896) internal successors, (225), 19 states have internal predecessors, (225), 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) [2021-12-07 10:12:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:12:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:12:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:12:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:12:14,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:12:14,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:12:14,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:12:14,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:12:14,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:12:14,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:12:14,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:12:14,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:12:14,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:12:14,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-12-07 10:12:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:12:14,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:12:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:12:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:12:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:12:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:12:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:12:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:12:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:12:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:12:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-12-07 10:12:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:12:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:12:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:12:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-12-07 10:12:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:12:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-07 10:12:16,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-12-07 10:12:17,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:12:17,060 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:12:17,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:12:17,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1435434360, now seen corresponding path program 1 times [2021-12-07 10:12:17,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:12:17,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388354619] [2021-12-07 10:12:17,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:12:17,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:12:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:12:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:12:19,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:12:19,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388354619] [2021-12-07 10:12:19,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388354619] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:12:19,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908485104] [2021-12-07 10:12:19,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:12:19,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:12:19,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:12:19,519 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:12:19,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-12-07 10:12:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:12:19,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 69 conjunts are in the unsatisfiable core [2021-12-07 10:12:19,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:12:24,698 INFO L354 Elim1Store]: treesize reduction 34, result has 8.1 percent of original size [2021-12-07 10:12:24,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 27 [2021-12-07 10:12:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:12:25,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:12:29,921 INFO L354 Elim1Store]: treesize reduction 35, result has 65.0 percent of original size [2021-12-07 10:12:29,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 102 [2021-12-07 10:12:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:12:33,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908485104] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:12:33,574 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:12:33,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 43, 41] total 127 [2021-12-07 10:12:33,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981609898] [2021-12-07 10:12:33,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:12:33,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2021-12-07 10:12:33,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:12:33,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2021-12-07 10:12:33,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1217, Invalid=14785, Unknown=0, NotChecked=0, Total=16002 [2021-12-07 10:12:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:12:33,577 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:12:33,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 5.2204724409448815) internal successors, (663), 127 states have internal predecessors, (663), 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) [2021-12-07 10:12:33,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:12:33,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:12:33,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:12:33,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:12:33,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:12:33,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:12:33,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-12-07 10:12:33,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:12:33,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-12-07 10:12:33,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:13:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:13:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:13:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:13:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:13:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:13:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:13:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:13:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:13:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-12-07 10:13:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:13:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-07 10:13:10,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-12-07 10:13:10,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-12-07 10:13:10,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-12-07 10:13:10,285 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:13:10,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:13:10,286 INFO L85 PathProgramCache]: Analyzing trace with hash 755375990, now seen corresponding path program 1 times [2021-12-07 10:13:10,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:13:10,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608811045] [2021-12-07 10:13:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:13:10,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:13:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:13:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:13:12,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:13:12,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608811045] [2021-12-07 10:13:12,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608811045] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:13:12,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728356725] [2021-12-07 10:13:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:13:12,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:13:12,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:13:12,143 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:13:12,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-12-07 10:13:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:13:12,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 64 conjunts are in the unsatisfiable core [2021-12-07 10:13:12,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:13:15,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 10:13:15,303 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:13:15,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 18 [2021-12-07 10:13:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:13:15,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:13:17,780 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:13:17,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-12-07 10:13:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:13:19,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728356725] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:13:19,060 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:13:19,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 46, 41] total 116 [2021-12-07 10:13:19,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434282916] [2021-12-07 10:13:19,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:13:19,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2021-12-07 10:13:19,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:13:19,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2021-12-07 10:13:19,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1377, Invalid=11963, Unknown=0, NotChecked=0, Total=13340 [2021-12-07 10:13:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:13:19,063 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:13:19,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 5.293103448275862) internal successors, (614), 116 states have internal predecessors, (614), 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) [2021-12-07 10:13:19,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:13:19,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:13:19,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:13:19,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:13:19,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:13:19,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:13:19,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:13:19,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:13:19,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:13:19,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:13:19,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:13:19,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:13:19,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:13:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:13:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:13:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:13:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:13:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:13:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:13:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:13:19,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2021-12-07 10:13:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:13:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:13:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:13:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-12-07 10:13:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:13:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-12-07 10:13:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-12-07 10:13:19,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:13:41,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:13:41,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:13:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-12-07 10:13:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:13:41,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-12-07 10:13:41,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-12-07 10:13:41,355 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:13:41,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:13:41,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2063309261, now seen corresponding path program 1 times [2021-12-07 10:13:41,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:13:41,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920157676] [2021-12-07 10:13:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:13:41,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:13:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:13:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:13:43,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:13:43,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920157676] [2021-12-07 10:13:43,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920157676] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:13:43,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983469714] [2021-12-07 10:13:43,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:13:43,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:13:43,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:13:43,905 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:13:43,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-12-07 10:13:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:13:44,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 76 conjunts are in the unsatisfiable core [2021-12-07 10:13:44,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:13:47,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 10:13:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:13:47,796 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:13:47,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 16 [2021-12-07 10:13:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:13:48,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:13:49,422 INFO L354 Elim1Store]: treesize reduction 35, result has 65.0 percent of original size [2021-12-07 10:13:49,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 75 [2021-12-07 10:13:49,633 INFO L354 Elim1Store]: treesize reduction 47, result has 53.0 percent of original size [2021-12-07 10:13:49,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 63 [2021-12-07 10:13:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:13:52,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983469714] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:13:52,173 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:13:52,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 38, 32] total 88 [2021-12-07 10:13:52,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680524300] [2021-12-07 10:13:52,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:13:52,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-12-07 10:13:52,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:13:52,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-12-07 10:13:52,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=7110, Unknown=0, NotChecked=0, Total=7656 [2021-12-07 10:13:52,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:13:52,175 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:13:52,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.113636363636363) internal successors, (538), 88 states have internal predecessors, (538), 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) [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:13:52,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-12-07 10:13:52,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-12-07 10:13:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:13:52,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:14:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-12-07 10:14:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:14:08,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:14:08,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-12-07 10:14:08,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:14:08,290 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:14:08,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:14:08,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1383250891, now seen corresponding path program 1 times [2021-12-07 10:14:08,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:14:08,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771808690] [2021-12-07 10:14:08,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:14:08,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:14:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:14:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:14:11,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:14:11,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771808690] [2021-12-07 10:14:11,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771808690] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:14:11,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169228550] [2021-12-07 10:14:11,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:14:11,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:14:11,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:14:11,300 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:14:11,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-12-07 10:14:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:14:11,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 79 conjunts are in the unsatisfiable core [2021-12-07 10:14:11,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:14:18,843 INFO L354 Elim1Store]: treesize reduction 34, result has 8.1 percent of original size [2021-12-07 10:14:18,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 32 [2021-12-07 10:14:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:14:19,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:14:26,565 INFO L354 Elim1Store]: treesize reduction 35, result has 65.0 percent of original size [2021-12-07 10:14:26,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 193 treesize of output 125 [2021-12-07 10:14:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:14:31,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169228550] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:14:31,170 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:14:31,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 49, 49] total 146 [2021-12-07 10:14:31,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556889778] [2021-12-07 10:14:31,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:14:31,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2021-12-07 10:14:31,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:14:31,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2021-12-07 10:14:31,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1389, Invalid=19781, Unknown=0, NotChecked=0, Total=21170 [2021-12-07 10:14:31,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:14:31,172 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:14:31,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 4.575342465753424) internal successors, (668), 146 states have internal predecessors, (668), 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) [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:14:31,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-12-07 10:14:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:15:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:15:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:15:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:15:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:15:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:15:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:15:45,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-12-07 10:15:45,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-12-07 10:15:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:15:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-12-07 10:15:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-12-07 10:15:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-12-07 10:15:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-12-07 10:15:45,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-12-07 10:15:45,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-12-07 10:15:45,978 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:15:45,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:15:45,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1680993508, now seen corresponding path program 9 times [2021-12-07 10:15:45,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:15:45,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613929507] [2021-12-07 10:15:45,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:15:45,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:15:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:15:46,153 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:15:46,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:15:46,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613929507] [2021-12-07 10:15:46,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613929507] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:15:46,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062723290] [2021-12-07 10:15:46,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 10:15:46,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:15:46,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:15:46,155 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:15:46,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-12-07 10:15:46,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-07 10:15:46,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:15:46,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 10:15:46,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:15:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:15:46,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:15:47,302 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:15:47,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062723290] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:15:47,303 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:15:47,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 27 [2021-12-07 10:15:47,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244360681] [2021-12-07 10:15:47,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:15:47,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 10:15:47,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:15:47,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 10:15:47,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=575, Unknown=0, NotChecked=0, Total=702 [2021-12-07 10:15:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:15:47,304 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:15:47,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 13.74074074074074) internal successors, (371), 27 states have internal predecessors, (371), 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) [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:15:47,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-12-07 10:15:47,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:15:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-12-07 10:15:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-12-07 10:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-12-07 10:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-12-07 10:15:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:15:47,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-12-07 10:15:47,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:15:47,857 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:15:47,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:15:47,859 INFO L85 PathProgramCache]: Analyzing trace with hash -263080125, now seen corresponding path program 10 times [2021-12-07 10:15:47,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:15:47,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681205460] [2021-12-07 10:15:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:15:47,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:15:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:15:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:15:50,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:15:50,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681205460] [2021-12-07 10:15:50,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681205460] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:15:50,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216231944] [2021-12-07 10:15:50,691 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 10:15:50,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:15:50,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:15:50,691 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:15:50,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b0c3275-d692-494b-9b57-77cc541941d2/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-12-07 10:15:50,833 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 10:15:50,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:15:50,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 80 conjunts are in the unsatisfiable core [2021-12-07 10:15:50,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:15:54,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:15:54,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-12-07 10:15:56,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:15:56,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 10:15:56,156 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 10:15:56,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 77 [2021-12-07 10:15:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:15:56,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:15:59,363 WARN L838 $PredicateComparison]: unable to prove that (or (<= 0 (+ c_~mts1~0 |c_thread1Thread1of1ForFork1_#t~mem2#1|)) (and (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base) (+ c_~A~0.offset (* c_~M~0 4) 4)))) (or (= .cse0 0) (< .cse0 0)))) (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse1 (let ((.cse2 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base)) (.cse3 (* c_~M~0 4))) (+ c_~mts3~0 (select .cse2 (+ c_~A~0.offset .cse3 4)) (select .cse2 (+ c_~A~0.offset .cse3)))))) (or (< .cse1 0) (= .cse1 0))))) (< (+ 2 c_~M~0) c_~N~0)) is different from false [2021-12-07 10:16:03,524 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-12-07 10:16:03,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 193 treesize of output 176 [2021-12-07 10:16:03,545 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-07 10:16:03,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 115 treesize of output 89 [2021-12-07 10:16:03,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 75 [2021-12-07 10:16:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:16:06,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216231944] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:16:06,610 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:16:06,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 51, 51] total 147 [2021-12-07 10:16:06,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558613799] [2021-12-07 10:16:06,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:16:06,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2021-12-07 10:16:06,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:16:06,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2021-12-07 10:16:06,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1204, Invalid=19944, Unknown=26, NotChecked=288, Total=21462 [2021-12-07 10:16:06,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:16:06,618 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:16:06,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.8639455782312924) internal successors, (568), 147 states have internal predecessors, (568), 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) [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-12-07 10:16:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-12-07 10:16:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:16:17,342 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((~M~0 Int)) (or (< |c_thread2Thread1of1ForFork2_~i~1#1| ~M~0) (and (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4) 4)))) (or (= .cse2 0) (< .cse2 0)))) (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse3 (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base)) (.cse5 (* ~M~0 4))) (+ c_~mts3~0 (select .cse4 (+ c_~A~0.offset .cse5 4)) (select .cse4 (+ c_~A~0.offset .cse5)))))) (or (< .cse3 0) (= .cse3 0))))) (< (+ 2 ~M~0) c_~N~0)))) (.cse1 (<= 0 (select (select |c_#memory_int| c_~A~0.base) (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~A~0.offset 4))))) (and (or (<= 0 (+ |c_thread1Thread1of1ForFork1_plus_#in~b#1| |c_thread1Thread1of1ForFork1_plus_~a#1|)) .cse0 .cse1) (or (<= 0 (+ |c_thread1Thread1of1ForFork1_plus_~b#1| |c_thread1Thread1of1ForFork1_plus_~a#1|)) .cse0 .cse1))) is different from false [2021-12-07 10:16:17,465 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((~M~0 Int)) (or (< |c_thread2Thread1of1ForFork2_~i~1#1| ~M~0) (and (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4) 4)))) (or (= .cse2 0) (< .cse2 0)))) (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse3 (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base)) (.cse5 (* ~M~0 4))) (+ c_~mts3~0 (select .cse4 (+ c_~A~0.offset .cse5 4)) (select .cse4 (+ c_~A~0.offset .cse5)))))) (or (< .cse3 0) (= .cse3 0))))) (< (+ 2 ~M~0) c_~N~0)))) (.cse1 (<= 0 (select (select |c_#memory_int| c_~A~0.base) (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~A~0.offset 4))))) (and (or .cse0 (<= 0 |c_thread1Thread1of1ForFork1_plus_#res#1|) .cse1) (or (<= 0 (+ |c_thread1Thread1of1ForFork1_plus_~b#1| |c_thread1Thread1of1ForFork1_plus_~a#1|)) .cse0 .cse1))) is different from false [2021-12-07 10:16:21,477 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select (select |c_#memory_int| c_~A~0.base) (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~A~0.offset 4)))) (let ((.cse0 (forall ((~M~0 Int)) (or (< |c_thread2Thread1of1ForFork2_~i~1#1| ~M~0) (and (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4) 4)))) (or (= .cse3 0) (< .cse3 0)))) (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse4 (let ((.cse5 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base)) (.cse6 (* ~M~0 4))) (+ c_~mts3~0 (select .cse5 (+ c_~A~0.offset .cse6 4)) (select .cse5 (+ c_~A~0.offset .cse6)))))) (or (< .cse4 0) (= .cse4 0))))) (< (+ 2 ~M~0) c_~N~0)))) (.cse1 (<= 0 .cse2))) (and (or (<= 0 (+ |c_thread1Thread1of1ForFork1_plus_#in~b#1| |c_thread1Thread1of1ForFork1_plus_~a#1|)) .cse0 .cse1) (or .cse0 (<= 0 (+ c_~mts1~0 .cse2))) (or (<= 0 (+ |c_thread1Thread1of1ForFork1_plus_#in~b#1| |c_thread1Thread1of1ForFork1_plus_#in~a#1|)) .cse0 .cse1)))) is different from false [2021-12-07 10:16:24,831 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (forall ((~M~0 Int)) (or (< |c_thread2Thread1of1ForFork2_~i~1#1| ~M~0) (and (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4) 4)))) (or (= .cse2 0) (< .cse2 0)))) (forall ((v_ArrVal_1083 (Array Int Int))) (let ((.cse3 (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1083) c_~A~0.base)) (.cse5 (* ~M~0 4))) (+ c_~mts3~0 (select .cse4 (+ c_~A~0.offset .cse5 4)) (select .cse4 (+ c_~A~0.offset .cse5)))))) (or (< .cse3 0) (= .cse3 0))))) (< (+ 2 ~M~0) c_~N~0)))) (.cse0 (select |c_#memory_int| c_~A~0.base))) (and (or (<= 0 (+ (select .cse0 (+ (* |c_thread1Thread1of1ForFork1_#t~post1#1| 4) c_~A~0.offset 4)) c_~mts1~0)) .cse1) (or .cse1 (<= 0 (+ c_~mts1~0 (select .cse0 (+ (* |c_thread1Thread1of1ForFork1_~i~0#1| 4) c_~A~0.offset 4))))))) is different from false