./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-min.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_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/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_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/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_e936a53a-ee50-453c-9e28-478c6c117251/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 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:42:11,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:42:11,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:42:11,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:42:11,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:42:11,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:42:11,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:42:11,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:42:11,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:42:11,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:42:11,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:42:11,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:42:11,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:42:11,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:42:11,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:42:11,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:42:11,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:42:11,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:42:11,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:42:11,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:42:11,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:42:11,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:42:11,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:42:11,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:42:11,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:42:11,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:42:11,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:42:11,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:42:11,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:42:11,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:42:11,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:42:11,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:42:11,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:42:11,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:42:11,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:42:11,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:42:11,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:42:11,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:42:11,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:42:11,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:42:11,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:42:11,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:42:11,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:42:11,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:42:11,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:42:11,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:42:11,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:42:11,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:42:11,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:42:11,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:42:11,570 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:42:11,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:42:11,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:42:11,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:42:11,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:42:11,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:42:11,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:42:11,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:42:11,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:42:11,572 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:42:11,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:42:11,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:42:11,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:42:11,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:42:11,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:42:11,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:42:11,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:42:11,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:42:11,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:42:11,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:42:11,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:42:11,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:42:11,575 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:42:11,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:42:11,576 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:42:11,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:42:11,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:42:11,576 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:42:11,577 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:42:11,577 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_e936a53a-ee50-453c-9e28-478c6c117251/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e185f9c0dac86cdbb29caae2de39811a090d813c08c4c3552062c2aa77b8788 [2021-12-07 09:42:11,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:42:11,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:42:11,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:42:11,823 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:42:11,823 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:42:11,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2021-12-07 09:42:11,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/data/d4d076c76/40d863cfc87f41eca1da79deed2860c4/FLAG7877b507e [2021-12-07 09:42:12,431 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:42:12,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2021-12-07 09:42:12,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/data/d4d076c76/40d863cfc87f41eca1da79deed2860c4/FLAG7877b507e [2021-12-07 09:42:12,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/data/d4d076c76/40d863cfc87f41eca1da79deed2860c4 [2021-12-07 09:42:12,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:42:12,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:42:12,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:42:12,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:42:12,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:42:12,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:42:12" (1/1) ... [2021-12-07 09:42:12,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf4db8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:12, skipping insertion in model container [2021-12-07 09:42:12,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:42:12" (1/1) ... [2021-12-07 09:42:12,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:42:12,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:42:13,172 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_e936a53a-ee50-453c-9e28-478c6c117251/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c[2815,2828] [2021-12-07 09:42:13,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:42:13,188 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:42:13,214 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_e936a53a-ee50-453c-9e28-478c6c117251/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c[2815,2828] [2021-12-07 09:42:13,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:42:13,233 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:42:13,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13 WrapperNode [2021-12-07 09:42:13,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:42:13,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:42:13,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:42:13,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:42:13,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,285 INFO L137 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 232 [2021-12-07 09:42:13,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:42:13,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:42:13,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:42:13,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:42:13,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:42:13,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:42:13,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:42:13,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:42:13,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (1/1) ... [2021-12-07 09:42:13,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:42:13,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:42:13,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:42:13,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:42:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:42:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:42:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:42:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 09:42:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-07 09:42:13,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-07 09:42:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-07 09:42:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-07 09:42:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-07 09:42:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-07 09:42:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:42:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-07 09:42:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-07 09:42:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 09:42:13,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:42:13,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:42:13,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:42:13,429 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 09:42:13,521 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:42:13,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:42:13,974 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:42:14,037 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:42:14,038 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-07 09:42:14,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:42:14 BoogieIcfgContainer [2021-12-07 09:42:14,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 09:42:14,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 09:42:14,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 09:42:14,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 09:42:14,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:42:12" (1/3) ... [2021-12-07 09:42:14,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692b9ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:42:14, skipping insertion in model container [2021-12-07 09:42:14,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:42:13" (2/3) ... [2021-12-07 09:42:14,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692b9ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:42:14, skipping insertion in model container [2021-12-07 09:42:14,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:42:14" (3/3) ... [2021-12-07 09:42:14,048 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2021-12-07 09:42:14,052 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 09:42:14,053 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 09:42:14,053 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 09:42:14,053 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 09:42:14,094 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,094 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,095 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,095 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,095 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,095 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,096 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,097 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,098 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,099 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,099 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,100 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,102 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,102 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,103 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,103 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,104 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,104 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,113 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,113 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,113 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,113 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,114 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,114 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,115 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,115 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,115 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,115 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,115 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,115 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,116 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,116 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,116 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,117 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,117 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,118 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,118 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,118 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,125 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,125 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,125 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,125 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,125 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,127 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:42:14,130 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-07 09:42:14,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:42:14,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:42:14,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:42:14,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 09:42:14,218 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-12-07 09:42:14,225 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 09:42:14,225 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-07 09:42:14,582 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 09:42:14,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:42:14,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1952864324, now seen corresponding path program 1 times [2021-12-07 09:42:14,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:42:14,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995786587] [2021-12-07 09:42:14,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:14,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:42:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:14,879 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 09:42:14,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:42:14,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995786587] [2021-12-07 09:42:14,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995786587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:42:14,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:42:14,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:42:14,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084033795] [2021-12-07 09:42:14,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:42:14,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 09:42:14,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:42:14,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 09:42:14,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 09:42:14,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:14,912 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:42:14,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 114.5) internal successors, (229), 2 states have internal predecessors, (229), 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 09:42:14,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:14,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 09:42:14,971 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 09:42:14,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:42:14,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1464524485, now seen corresponding path program 1 times [2021-12-07 09:42:14,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:42:14,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95928674] [2021-12-07 09:42:14,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:14,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:42:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:15,442 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 09:42:15,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:42:15,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95928674] [2021-12-07 09:42:15,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95928674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:42:15,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:42:15,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 09:42:15,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942818890] [2021-12-07 09:42:15,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:42:15,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 09:42:15,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:42:15,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 09:42:15,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-12-07 09:42:15,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:15,447 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:42:15,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 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 09:42:15,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:15,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:15,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:15,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:15,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 09:42:15,623 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 09:42:15,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:42:15,624 INFO L85 PathProgramCache]: Analyzing trace with hash -880769302, now seen corresponding path program 1 times [2021-12-07 09:42:15,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:42:15,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041712736] [2021-12-07 09:42:15,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:15,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:42:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:16,243 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 09:42:16,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:42:16,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041712736] [2021-12-07 09:42:16,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041712736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:42:16,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:42:16,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-12-07 09:42:16,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681011903] [2021-12-07 09:42:16,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:42:16,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-07 09:42:16,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:42:16,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-07 09:42:16,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2021-12-07 09:42:16,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:16,254 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:42:16,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 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 09:42:16,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:16,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:16,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:17,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:17,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-07 09:42:17,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 09:42:17,578 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 09:42:17,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:42:17,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1683885627, now seen corresponding path program 1 times [2021-12-07 09:42:17,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:42:17,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089879064] [2021-12-07 09:42:17,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:17,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:42:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:42:17,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:42:17,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089879064] [2021-12-07 09:42:17,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089879064] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:42:17,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177747018] [2021-12-07 09:42:17,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:17,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:17,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:42:17,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:42:17,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 09:42:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:17,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:42:17,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:42:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:42:18,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:42:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:42:19,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177747018] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:42:19,263 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:42:19,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2021-12-07 09:42:19,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108273554] [2021-12-07 09:42:19,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:42:19,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-07 09:42:19,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:42:19,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-07 09:42:19,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-12-07 09:42:19,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:19,268 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:42:19,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.63157894736842) internal successors, (316), 19 states have internal predecessors, (316), 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 09:42:19,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:19,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:19,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-12-07 09:42:19,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:19,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:19,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:19,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:42:19,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 09:42:19,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 09:42:20,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:20,068 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 09:42:20,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:42:20,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1888909432, now seen corresponding path program 1 times [2021-12-07 09:42:20,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:42:20,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823717693] [2021-12-07 09:42:20,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:20,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:42:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:42:20,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:42:20,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823717693] [2021-12-07 09:42:20,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823717693] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:42:20,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300029433] [2021-12-07 09:42:20,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:20,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:20,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:42:20,265 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:42:20,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 09:42:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:20,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:42:20,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:42:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:42:20,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:42:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 09:42:21,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300029433] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:42:21,502 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:42:21,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2021-12-07 09:42:21,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945405172] [2021-12-07 09:42:21,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:42:21,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-07 09:42:21,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:42:21,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-07 09:42:21,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-12-07 09:42:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:21,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:42:21,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 17.31578947368421) internal successors, (329), 19 states have internal predecessors, (329), 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 09:42:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:42:21,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-12-07 09:42:21,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:42:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:22,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-07 09:42:22,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:22,768 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 09:42:22,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:42:22,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2114816352, now seen corresponding path program 2 times [2021-12-07 09:42:22,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:42:22,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394827313] [2021-12-07 09:42:22,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:22,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:42:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 09:42:22,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:42:22,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394827313] [2021-12-07 09:42:22,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394827313] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:42:22,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415177829] [2021-12-07 09:42:22,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 09:42:22,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:22,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:42:22,955 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:42:22,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 09:42:23,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 09:42:23,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:42:23,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:42:23,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:42:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 09:42:23,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:42:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 09:42:24,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415177829] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-07 09:42:24,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-07 09:42:24,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2021-12-07 09:42:24,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267550457] [2021-12-07 09:42:24,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:42:24,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 09:42:24,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:42:24,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 09:42:24,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2021-12-07 09:42:24,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:24,227 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:42:24,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 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 09:42:24,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:24,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:24,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:42:24,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:24,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:24,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:42:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:24,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:42:24,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-07 09:42:24,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:24,663 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 09:42:24,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:42:24,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1871662669, now seen corresponding path program 2 times [2021-12-07 09:42:24,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:42:24,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972800344] [2021-12-07 09:42:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:24,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:42:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:42:24,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:42:24,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972800344] [2021-12-07 09:42:24,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972800344] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:42:24,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319609428] [2021-12-07 09:42:24,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 09:42:24,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:24,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:42:24,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:42:24,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 09:42:24,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 09:42:24,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:42:24,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:42:24,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:42:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:42:25,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:42:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:42:26,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319609428] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-07 09:42:26,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-07 09:42:26,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2021-12-07 09:42:26,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117068456] [2021-12-07 09:42:26,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:42:26,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 09:42:26,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:42:26,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 09:42:26,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2021-12-07 09:42:26,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:26,101 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:42:26,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 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 09:42:26,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:26,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:26,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:42:26,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:26,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:26,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:42:26,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:42:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:42:26,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:42:26,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-07 09:42:26,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:26,570 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 09:42:26,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:42:26,571 INFO L85 PathProgramCache]: Analyzing trace with hash 953870641, now seen corresponding path program 1 times [2021-12-07 09:42:26,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:42:26,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231289802] [2021-12-07 09:42:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:26,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:42:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:42:26,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:42:26,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231289802] [2021-12-07 09:42:26,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231289802] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:42:26,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270448713] [2021-12-07 09:42:26,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:26,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:26,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:42:26,743 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:42:26,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-07 09:42:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:26,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:42:26,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:42:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:42:27,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:42:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:42:28,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270448713] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-07 09:42:28,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-07 09:42:28,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2021-12-07 09:42:28,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497879908] [2021-12-07 09:42:28,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:42:28,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 09:42:28,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:42:28,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 09:42:28,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2021-12-07 09:42:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:28,106 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:42:28,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.555555555555557) internal successors, (266), 9 states have internal predecessors, (266), 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 09:42:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:42:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:42:28,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:42:28,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:42:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:42:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:42:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:42:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:42:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:42:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:42:28,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-07 09:42:28,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-07 09:42:28,552 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 09:42:28,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:42:28,553 INFO L85 PathProgramCache]: Analyzing trace with hash 702571412, now seen corresponding path program 1 times [2021-12-07 09:42:28,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:42:28,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266031385] [2021-12-07 09:42:28,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:28,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:42:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 09:42:31,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:42:31,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266031385] [2021-12-07 09:42:31,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266031385] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:42:31,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693579954] [2021-12-07 09:42:31,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:42:31,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:42:31,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:42:31,143 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:42:31,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-07 09:42:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:42:31,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 71 conjunts are in the unsatisfiable core [2021-12-07 09:42:31,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:42:31,809 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:42:31,810 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 25 [2021-12-07 09:42:35,305 INFO L354 Elim1Store]: treesize reduction 56, result has 45.6 percent of original size [2021-12-07 09:42:35,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 72 [2021-12-07 09:42:39,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:42:39,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 260 treesize of output 282 [2021-12-07 09:42:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-07 09:42:40,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:43:57,914 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:43:57,915 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 102 treesize of output 108 [2021-12-07 09:43:57,986 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 66 treesize of output 60 [2021-12-07 09:43:58,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:43:58,076 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 70 treesize of output 62 [2021-12-07 09:43:58,195 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:43:58,195 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 115 treesize of output 157 [2021-12-07 09:44:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 09:44:02,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693579954] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:44:02,752 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:44:02,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 36, 34] total 100 [2021-12-07 09:44:02,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945813218] [2021-12-07 09:44:02,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:44:02,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2021-12-07 09:44:02,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:44:02,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-12-07 09:44:02,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=513, Invalid=9349, Unknown=38, NotChecked=0, Total=9900 [2021-12-07 09:44:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:02,762 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:44:02,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 5.26) internal successors, (526), 100 states have internal predecessors, (526), 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 09:44:02,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:02,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:02,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:02,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:02,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:19,428 WARN L227 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 96 DAG size of output: 88 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 09:44:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:24,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:24,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:44:24,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-07 09:44:24,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:44:24,964 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 09:44:24,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:44:24,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1798733393, now seen corresponding path program 2 times [2021-12-07 09:44:24,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:44:24,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995152763] [2021-12-07 09:44:24,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:44:24,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:44:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:44:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:44:25,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:44:25,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995152763] [2021-12-07 09:44:25,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995152763] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:44:25,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936760757] [2021-12-07 09:44:25,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 09:44:25,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:44:25,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:44:25,212 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:44:25,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-07 09:44:25,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 09:44:25,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:44:25,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 09:44:25,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:44:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:44:26,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:44:26,822 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:44:26,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936760757] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:44:26,823 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:44:26,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2021-12-07 09:44:26,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105314782] [2021-12-07 09:44:26,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:44:26,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-07 09:44:26,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:44:26,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-07 09:44:26,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2021-12-07 09:44:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:26,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:44:26,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 16.466666666666665) internal successors, (494), 30 states have internal predecessors, (494), 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 09:44:26,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:26,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:26,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:26,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:26,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:26,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:44:26,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:27,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:44:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:27,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-07 09:44:27,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:44:27,977 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 09:44:27,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:44:27,979 INFO L85 PathProgramCache]: Analyzing trace with hash -281217476, now seen corresponding path program 3 times [2021-12-07 09:44:27,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:44:27,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683130152] [2021-12-07 09:44:27,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:44:27,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:44:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:44:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:44:28,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:44:28,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683130152] [2021-12-07 09:44:28,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683130152] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:44:28,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993720338] [2021-12-07 09:44:28,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 09:44:28,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:44:28,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:44:28,236 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:44:28,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-07 09:44:28,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-07 09:44:28,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:44:28,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:44:28,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:44:29,020 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 09:44:29,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:44:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-07 09:44:29,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993720338] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:44:29,413 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:44:29,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 8] total 24 [2021-12-07 09:44:29,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609392818] [2021-12-07 09:44:29,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:44:29,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-07 09:44:29,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:44:29,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-07 09:44:29,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-12-07 09:44:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:29,416 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:44:29,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 21.291666666666668) internal successors, (511), 24 states have internal predecessors, (511), 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 09:44:29,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:29,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:29,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:29,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:29,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:29,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:29,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:29,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:29,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:44:29,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:29,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:44:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:30,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:44:30,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-07 09:44:31,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:44:31,156 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 09:44:31,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:44:31,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1131691742, now seen corresponding path program 4 times [2021-12-07 09:44:31,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:44:31,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725085460] [2021-12-07 09:44:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:44:31,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:44:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:44:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:44:31,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:44:31,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725085460] [2021-12-07 09:44:31,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725085460] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:44:31,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501495140] [2021-12-07 09:44:31,409 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 09:44:31,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:44:31,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:44:31,410 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:44:31,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-07 09:44:31,584 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 09:44:31,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:44:31,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 09:44:31,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:44:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:44:32,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:44:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:44:33,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501495140] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:44:33,122 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:44:33,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2021-12-07 09:44:33,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587134227] [2021-12-07 09:44:33,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:44:33,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-07 09:44:33,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:44:33,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-07 09:44:33,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2021-12-07 09:44:33,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:33,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:44:33,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 14.0) internal successors, (420), 30 states have internal predecessors, (420), 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 09:44:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:33,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:44:33,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:33,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:33,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:33,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:44:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:44:33,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:33,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-07 09:44:34,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:44:34,150 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 09:44:34,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:44:34,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1783357612, now seen corresponding path program 5 times [2021-12-07 09:44:34,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:44:34,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698899062] [2021-12-07 09:44:34,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:44:34,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:44:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:44:34,377 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 09:44:34,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:44:34,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698899062] [2021-12-07 09:44:34,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698899062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:44:34,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:44:34,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 09:44:34,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131959810] [2021-12-07 09:44:34,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:44:34,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 09:44:34,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:44:34,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 09:44:34,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-07 09:44:34,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:34,379 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:44:34,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 5 states have internal predecessors, (266), 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 09:44:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:34,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:34,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:34,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:34,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:44:34,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:34,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:44:34,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:34,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:44:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:44:34,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:44:34,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 09:44:34,463 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 09:44:34,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:44:34,463 INFO L85 PathProgramCache]: Analyzing trace with hash 642998288, now seen corresponding path program 1 times [2021-12-07 09:44:34,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:44:34,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149294138] [2021-12-07 09:44:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:44:34,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:44:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:44:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-07 09:44:36,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:44:36,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149294138] [2021-12-07 09:44:36,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149294138] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:44:36,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329665391] [2021-12-07 09:44:36,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:44:36,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:44:36,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:44:36,618 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:44:36,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-07 09:44:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:44:36,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 71 conjunts are in the unsatisfiable core [2021-12-07 09:44:36,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:44:37,300 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:44:37,301 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 25 [2021-12-07 09:44:40,822 INFO L354 Elim1Store]: treesize reduction 56, result has 45.6 percent of original size [2021-12-07 09:44:40,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 72 [2021-12-07 09:44:54,247 WARN L227 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 09:44:58,040 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:44:58,040 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 245 treesize of output 209 [2021-12-07 09:44:58,428 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-07 09:44:58,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:46:09,285 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:46:09,285 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 102 treesize of output 108 [2021-12-07 09:46:09,324 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 84 treesize of output 78 [2021-12-07 09:46:09,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:46:09,416 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 70 treesize of output 62 [2021-12-07 09:46:09,587 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:46:09,587 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 115 treesize of output 157 [2021-12-07 09:46:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-07 09:46:13,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329665391] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:46:13,503 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:46:13,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 36, 34] total 100 [2021-12-07 09:46:13,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155327530] [2021-12-07 09:46:13,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:46:13,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2021-12-07 09:46:13,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:46:13,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-12-07 09:46:13,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=513, Invalid=9351, Unknown=36, NotChecked=0, Total=9900 [2021-12-07 09:46:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:13,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:46:13,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 5.59) internal successors, (559), 100 states have internal predecessors, (559), 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 09:46:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:46:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:46:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:46:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:46:13,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:46:13,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:46:13,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:46:13,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:46:13,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:46:13,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:46:13,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:46:13,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:46:13,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:48,793 WARN L227 SmtUtils]: Spent 25.54s on a formula simplification. DAG size of input: 100 DAG size of output: 90 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 09:47:08,617 WARN L227 SmtUtils]: Spent 19.69s on a formula simplification. DAG size of input: 70 DAG size of output: 64 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 09:47:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:47:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:47:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:47:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:47:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:47:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:47:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:47:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:47:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:47:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:47:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:47:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:47:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:47:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-12-07 09:47:11,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-07 09:47:11,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-07 09:47:11,317 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 09:47:11,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:47:11,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2034168942, now seen corresponding path program 2 times [2021-12-07 09:47:11,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:47:11,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927246536] [2021-12-07 09:47:11,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:47:11,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:47:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:47:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 09:47:14,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:47:14,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927246536] [2021-12-07 09:47:14,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927246536] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:47:14,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368175335] [2021-12-07 09:47:14,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 09:47:14,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:47:14,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:47:14,855 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:47:14,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-07 09:47:15,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 09:47:15,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:47:15,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 67 conjunts are in the unsatisfiable core [2021-12-07 09:47:15,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:47:16,019 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:47:16,019 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 25 [2021-12-07 09:47:20,346 INFO L354 Elim1Store]: treesize reduction 48, result has 48.4 percent of original size [2021-12-07 09:47:20,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 70 [2021-12-07 09:47:31,277 WARN L227 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 68 DAG size of output: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 09:47:36,300 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:47:36,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 245 treesize of output 249 [2021-12-07 09:47:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-07 09:47:37,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:48:35,562 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:48:35,562 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 102 treesize of output 108 [2021-12-07 09:48:35,598 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 84 treesize of output 78 [2021-12-07 09:48:35,666 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 27 treesize of output 15 [2021-12-07 09:48:35,692 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 9 treesize of output 3 [2021-12-07 09:48:35,723 INFO L354 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2021-12-07 09:48:35,724 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 41 treesize of output 30 [2021-12-07 09:48:35,825 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:48:35,825 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 130 treesize of output 160 [2021-12-07 09:48:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 09:48:40,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368175335] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:48:40,253 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:48:40,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 41, 34] total 121 [2021-12-07 09:48:40,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042110772] [2021-12-07 09:48:40,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:48:40,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2021-12-07 09:48:40,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:48:40,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2021-12-07 09:48:40,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=604, Invalid=13897, Unknown=19, NotChecked=0, Total=14520 [2021-12-07 09:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:48:40,259 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:48:40,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 5.1735537190082646) internal successors, (626), 121 states have internal predecessors, (626), 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 09:48:40,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:48:40,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:48:40,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:48:40,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:48:40,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:48:40,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:48:40,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:48:40,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:48:40,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-12-07 09:48:40,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:48:40,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-12-07 09:48:40,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:48:40,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:48:40,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-12-07 09:48:40,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:03,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:49:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-07 09:49:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:49:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 09:49:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:49:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:49:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 09:49:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-12-07 09:49:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:49:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-07 09:49:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 09:49:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:49:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-12-07 09:49:03,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-12-07 09:49:03,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-07 09:49:03,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-07 09:49:03,945 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 09:49:03,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:03,949 INFO L85 PathProgramCache]: Analyzing trace with hash 228210900, now seen corresponding path program 6 times [2021-12-07 09:49:03,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:03,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053589150] [2021-12-07 09:49:03,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:03,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:49:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 09:49:06,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:49:06,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053589150] [2021-12-07 09:49:06,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053589150] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:49:06,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742625259] [2021-12-07 09:49:06,719 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-07 09:49:06,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:06,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:49:06,729 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:49:06,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e936a53a-ee50-453c-9e28-478c6c117251/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-07 09:49:06,943 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-12-07 09:49:06,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:49:06,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 95 conjunts are in the unsatisfiable core [2021-12-07 09:49:06,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:49:07,810 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 09:49:08,313 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 09:49:08,843 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-07 09:49:08,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-07 09:49:09,044 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 09:49:09,120 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 09:49:11,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 09:49:11,592 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-12-07 09:49:11,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 39 [2021-12-07 09:49:11,622 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 17 treesize of output 13 [2021-12-07 09:49:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 09:49:12,124 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-12-07 09:49:12,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 54 [2021-12-07 09:49:12,150 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 17 treesize of output 13 [2021-12-07 09:49:12,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 09:49:12,637 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-12-07 09:49:12,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 54 [2021-12-07 09:49:12,673 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 17 treesize of output 13 [2021-12-07 09:49:14,600 INFO L354 Elim1Store]: treesize reduction 300, result has 13.3 percent of original size [2021-12-07 09:49:14,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 110 treesize of output 114 [2021-12-07 09:49:38,419 INFO L354 Elim1Store]: treesize reduction 56, result has 76.8 percent of original size [2021-12-07 09:49:38,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 285 treesize of output 293 [2021-12-07 09:49:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 09:49:45,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:49:48,292 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_839 Int)) (or (and (forall ((~C~0.offset Int)) (<= (+ c_~mina~0 (select (select (store |c_#memory_int| c_~C~0.base (store (select |c_#memory_int| c_~C~0.base) (+ ~C~0.offset (* |c_thread2Thread1of1ForFork0_~i~1#1| 4)) v_ArrVal_839)) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset))) c_~minc~0)) (forall ((~C~0.offset Int)) (let ((.cse0 (store (select |c_#memory_int| c_~C~0.base) (+ ~C~0.offset (* |c_thread2Thread1of1ForFork0_~i~1#1| 4)) v_ArrVal_839))) (<= (+ c_~mina~0 (select (select (store |c_#memory_int| c_~C~0.base .cse0) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset))) (select .cse0 (+ (* c_thread3Thread1of1ForFork1_~i~2 4) ~C~0.offset)))))) (< v_ArrVal_839 (let ((.cse1 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select |c_#memory_int| c_~B~0.base) (+ c_~B~0.offset .cse1))))))) is different from false [2021-12-07 09:50:10,948 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_838 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse7 (select .cse9 c_~A~0.base)) (.cse5 (select .cse9 c_~B~0.base)) (.cse8 (* c_thread1Thread1of1ForFork2_~i~0 4))) (or (and (forall ((~C~0.offset Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse2 (store (select .cse0 c_~C~0.base) (+ ~C~0.offset (* |c_thread2Thread1of1ForFork0_~i~1#1| 4)) v_ArrVal_839))) (<= (let ((.cse1 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select (select .cse0 c_~A~0.base) (+ .cse1 c_~A~0.offset)) (select (select (store .cse0 c_~C~0.base .cse2) c_~B~0.base) (+ .cse1 c_~B~0.offset)))) (select .cse2 (+ ~C~0.offset 4)))))) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838)) (.cse4 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select (select .cse3 c_~A~0.base) (+ .cse4 c_~A~0.offset)) (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset (* |c_thread2Thread1of1ForFork0_~i~1#1| 4)) v_ArrVal_839)) c_~B~0.base) (+ .cse4 c_~B~0.offset)))) c_~minc~0))) (< v_ArrVal_839 (let ((.cse6 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (+ (select .cse5 (+ c_~B~0.offset .cse6)) (select .cse7 (+ c_~A~0.offset .cse6))))) (< c_~mina~0 (select .cse7 (+ .cse8 c_~A~0.offset))) (< c_~minb~0 (select .cse5 (+ .cse8 c_~B~0.offset))))))) is different from false [2021-12-07 09:50:11,525 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_838 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse1 (select .cse7 c_~A~0.base)) (.cse0 (select .cse7 c_~B~0.base)) (.cse6 (* c_thread1Thread1of1ForFork2_~i~0 4))) (or (< v_ArrVal_839 (+ (select .cse0 (+ c_~B~0.offset 4)) (select .cse1 (+ c_~A~0.offset 4)))) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838)) (.cse3 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ .cse3 c_~B~0.offset)) (select (select .cse2 c_~A~0.base) (+ .cse3 c_~A~0.offset)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838)) (.cse5 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select (select (store .cse4 c_~C~0.base (store (select .cse4 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ .cse5 c_~B~0.offset)) (select (select .cse4 c_~A~0.base) (+ .cse5 c_~A~0.offset)))) c_~minc~0))) (< c_~mina~0 (select .cse1 (+ .cse6 c_~A~0.offset))) (< c_~minb~0 (select .cse0 (+ .cse6 c_~B~0.offset))))))) is different from false [2021-12-07 09:50:11,758 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse1 (select .cse7 c_~A~0.base)) (.cse0 (select .cse7 c_~B~0.base)) (.cse2 (* c_thread1Thread1of1ForFork2_~i~0 4))) (or (< v_ArrVal_839 (+ (select .cse0 (+ c_~B~0.offset 4)) (select .cse1 (+ c_~A~0.offset 4)))) (< c_~mina~0 (select .cse1 (+ .cse2 c_~A~0.offset))) (and (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838)) (.cse4 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ .cse4 c_~B~0.offset)) (select (select .cse3 c_~A~0.base) (+ .cse4 c_~A~0.offset)))) c_~minc~0)) (forall ((~C~0.offset Int)) (<= (let ((.cse5 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838)) (.cse6 (* c_thread1Thread1of1ForFork2_~i~0 4))) (+ (select (select (store .cse5 c_~C~0.base (store (select .cse5 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ .cse6 c_~B~0.offset)) (select (select .cse5 c_~A~0.base) (+ .cse6 c_~A~0.offset)))) v_ArrVal_839))) (< c_~minb~0 (select .cse0 (+ .cse2 c_~B~0.offset))))))) is different from false [2021-12-07 09:50:12,530 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse1 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< v_ArrVal_839 (+ .cse0 .cse1)) (< c_~mina~0 .cse1) (< c_~minb~0 .cse0) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) c_~minc~0))))))) is different from false [2021-12-07 09:50:12,781 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse1 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< c_~mina~0 .cse0) (< v_ArrVal_839 (+ .cse1 .cse0)) (< c_~minb~0 .cse1) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) c_~minc~0))))))) is different from false [2021-12-07 09:50:13,839 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse2 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse3 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (and (forall ((~C~0.offset Int)) (<= (let ((.cse0 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse0 c_~C~0.base (store (select .cse0 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse1 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse1 c_~C~0.base (store (select .cse1 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset 4)))) |c_ULTIMATE.start_main_#t~ret21#1|))) (< c_~mina~0 .cse2) (< v_ArrVal_839 (+ .cse3 .cse2)) (< c_~minb~0 .cse3))))) is different from false [2021-12-07 09:50:14,343 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse1 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< c_~mina~0 .cse0) (< v_ArrVal_839 (+ .cse1 .cse0)) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) |c_ULTIMATE.start_plus_#res#1|))) (< c_~minb~0 .cse1))))) is different from false [2021-12-07 09:50:14,548 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse1 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< c_~mina~0 .cse0) (< v_ArrVal_839 (+ .cse1 .cse0)) (< c_~minb~0 .cse1) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) (+ |c_ULTIMATE.start_plus_~a#1| |c_ULTIMATE.start_plus_~b#1|)))))))) is different from false [2021-12-07 09:50:16,557 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse2 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse3 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (and (forall ((~C~0.offset Int)) (<= (let ((.cse0 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse0 c_~C~0.base (store (select .cse0 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse1 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse1 c_~C~0.base (store (select .cse1 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset 4)))) (+ |c_ULTIMATE.start_plus_#in~b#1| |c_ULTIMATE.start_plus_~a#1|)))) (< c_~mina~0 .cse2) (< v_ArrVal_839 (+ .cse3 .cse2)) (< c_~minb~0 .cse3))))) is different from false [2021-12-07 09:50:16,736 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse1 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< c_~mina~0 .cse0) (< v_ArrVal_839 (+ .cse1 .cse0)) (< c_~minb~0 .cse1) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) (+ |c_ULTIMATE.start_plus_#in~b#1| |c_ULTIMATE.start_plus_#in~a#1|)))))))) is different from false [2021-12-07 09:50:17,203 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse1 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< c_~mina~0 .cse0) (< v_ArrVal_839 (+ .cse1 .cse0)) (< c_~minb~0 .cse1) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) (+ |c_ULTIMATE.start_main_#t~mem19#1| |c_ULTIMATE.start_main_#t~mem20#1|)))))))) is different from false [2021-12-07 09:50:17,533 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse3 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< c_~mina~0 .cse0) (and (forall ((~C~0.offset Int)) (<= (let ((.cse1 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse1 c_~C~0.base (store (select .cse1 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) (+ (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) |c_ULTIMATE.start_main_#t~mem19#1|)))) (< v_ArrVal_839 (+ .cse3 .cse0)) (< c_~minb~0 .cse3))))) is different from false [2021-12-07 09:50:17,753 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse1 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< c_~mina~0 .cse0) (< v_ArrVal_839 (+ .cse1 .cse0)) (< c_~minb~0 .cse1) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) (+ (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset))))))))) is different from false [2021-12-07 09:50:18,050 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse1 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< c_~mina~0 .cse0) (< v_ArrVal_839 (+ .cse1 .cse0)) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) (+ (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset))))) (< |c_ULTIMATE.start_main_#t~mem18#1| .cse1))))) is different from false [2021-12-07 09:50:18,204 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4))) (.cse1 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4)))) (or (< (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) .cse0) (< c_~mina~0 .cse1) (< v_ArrVal_839 (+ .cse0 .cse1)) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) (+ (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset))))))))) is different from false [2021-12-07 09:50:18,526 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse1 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4))) (.cse0 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset 4)))) (or (< |c_ULTIMATE.start_main_#t~mem17#1| .cse0) (< (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) .cse1) (< v_ArrVal_839 (+ .cse1 .cse0)) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset 4)))) (+ (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset))))))))) is different from false [2021-12-07 09:50:18,808 WARN L838 $PredicateComparison]: unable to prove that (forall ((~A~0.offset Int) (v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int) (~A~0.base Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4))) (.cse1 (select (select .cse4 ~A~0.base) (+ ~A~0.offset 4)))) (or (< (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) .cse0) (< (select (select |c_#memory_int| ~A~0.base) ~A~0.offset) .cse1) (< v_ArrVal_839 (+ .cse0 .cse1)) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 c_~C~0.base (store (select .cse2 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 ~A~0.base) (+ ~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 c_~C~0.base (store (select .cse3 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 ~A~0.base) (+ ~A~0.offset 4)))) (+ (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) (select (select |c_#memory_int| ~A~0.base) ~A~0.offset))))))))) is different from false [2021-12-07 09:50:19,689 WARN L838 $PredicateComparison]: unable to prove that (forall ((~A~0.offset Int) (v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int) (~A~0.base Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4))) (.cse1 (select (select .cse4 ~A~0.base) (+ ~A~0.offset 4)))) (or (< (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) .cse0) (< (select (select |c_#memory_int| ~A~0.base) ~A~0.offset) .cse1) (< v_ArrVal_839 (+ .cse0 .cse1)) (and (forall ((~C~0.offset Int)) (<= (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse2 |c_ULTIMATE.start_main_#t~ret16#1.base| (store (select .cse2 |c_ULTIMATE.start_main_#t~ret16#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse2 ~A~0.base) (+ ~A~0.offset 4)))) (+ (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) (select (select |c_#memory_int| ~A~0.base) ~A~0.offset)))) (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse3 |c_ULTIMATE.start_main_#t~ret16#1.base| (store (select .cse3 |c_ULTIMATE.start_main_#t~ret16#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse3 ~A~0.base) (+ ~A~0.offset 4)))) v_ArrVal_839))))))) is different from false [2021-12-07 09:50:20,398 WARN L838 $PredicateComparison]: unable to prove that (forall ((~A~0.offset Int) (v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int) (~A~0.base Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse2 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4))) (.cse3 (select (select .cse4 ~A~0.base) (+ ~A~0.offset 4)))) (or (and (forall ((~C~0.offset Int)) (<= (let ((.cse0 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base| (store (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse0 ~A~0.base) (+ ~A~0.offset 4)))) (+ (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) (select (select |c_#memory_int| ~A~0.base) ~A~0.offset)))) (forall ((~C~0.offset Int)) (<= (let ((.cse1 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base| (store (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse1 ~A~0.base) (+ ~A~0.offset 4)))) v_ArrVal_839))) (< (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) .cse2) (< (select (select |c_#memory_int| ~A~0.base) ~A~0.offset) .cse3) (< v_ArrVal_839 (+ .cse2 .cse3)))))) is different from false [2021-12-07 09:50:20,784 WARN L838 $PredicateComparison]: unable to prove that (forall ((~A~0.offset Int) (v_ArrVal_836 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int) (~A~0.base Int)) (let ((.cse4 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse2 (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset 4))) (.cse3 (select (select .cse4 ~A~0.base) (+ ~A~0.offset 4)))) (or (and (forall ((~C~0.offset Int)) (<= (let ((.cse0 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse0 ~A~0.base) (+ ~A~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (<= (let ((.cse1 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select (store .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)) (select (select .cse1 ~A~0.base) (+ ~A~0.offset 4)))) (+ (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) (select (select |c_#memory_int| ~A~0.base) ~A~0.offset))))) (< (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) .cse2) (< (select (select |c_#memory_int| ~A~0.base) ~A~0.offset) .cse3) (< v_ArrVal_839 (+ .cse2 .cse3)))))) is different from false [2021-12-07 09:50:22,745 WARN L838 $PredicateComparison]: unable to prove that (forall ((~A~0.offset Int) (v_ArrVal_836 (Array Int Int)) (v_ArrVal_835 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int) (~A~0.base Int)) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_835))) (let ((.cse6 (store (store (store .cse2 |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse1 (select (select .cse6 ~A~0.base) (+ ~A~0.offset 4))) (.cse0 (select (select .cse6 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< v_ArrVal_839 (+ .cse0 .cse1)) (< (select (select .cse2 ~A~0.base) ~A~0.offset) .cse1) (and (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_835) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select .cse3 ~A~0.base) (+ ~A~0.offset 4)) (select (select (store .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_835))) (<= (let ((.cse4 (store (store (store .cse5 |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select .cse4 ~A~0.base) (+ ~A~0.offset 4)) (select (select (store .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| (store (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)))) (+ (select (select .cse5 c_~B~0.base) c_~B~0.offset) (select (select .cse5 ~A~0.base) ~A~0.offset)))))) (< (select (select .cse2 c_~B~0.base) c_~B~0.offset) .cse0)))))) is different from false [2021-12-07 09:50:27,482 WARN L838 $PredicateComparison]: unable to prove that (forall ((~A~0.offset Int) (v_ArrVal_836 (Array Int Int)) (v_ArrVal_835 (Array Int Int)) (v_ArrVal_838 (Array Int Int)) (v_ArrVal_837 (Array Int Int)) (v_ArrVal_839 Int) (~A~0.base Int)) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base| v_ArrVal_835))) (let ((.cse6 (store (store (store .cse2 |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (let ((.cse0 (select (select .cse6 ~A~0.base) (+ ~A~0.offset 4))) (.cse1 (select (select .cse6 c_~B~0.base) (+ c_~B~0.offset 4)))) (or (< v_ArrVal_839 (+ .cse0 .cse1)) (< (select (select .cse2 ~A~0.base) ~A~0.offset) .cse0) (and (forall ((~C~0.offset Int)) (<= (let ((.cse3 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base| v_ArrVal_835) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select .cse3 ~A~0.base) (+ ~A~0.offset 4)) (select (select (store .cse3 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base| (store (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)))) v_ArrVal_839)) (forall ((~C~0.offset Int)) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base| v_ArrVal_835))) (<= (let ((.cse4 (store (store (store .cse5 |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_836) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_837) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_838))) (+ (select (select .cse4 ~A~0.base) (+ ~A~0.offset 4)) (select (select (store .cse4 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base| (store (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base|) (+ ~C~0.offset 4) v_ArrVal_839)) c_~B~0.base) (+ c_~B~0.offset 4)))) (+ (select (select .cse5 c_~B~0.base) c_~B~0.offset) (select (select .cse5 ~A~0.base) ~A~0.offset)))))) (< (select (select .cse2 c_~B~0.base) c_~B~0.offset) .cse1)))))) is different from false [2021-12-07 09:51:04,269 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-07 09:51:04,270 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 409 treesize of output 253 [2021-12-07 09:51:09,997 INFO L354 Elim1Store]: treesize reduction 30, result has 77.1 percent of original size [2021-12-07 09:51:10,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 452130081 treesize of output 401618981