./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS --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 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:26:46,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:26:46,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:26:46,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:26:46,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:26:46,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:26:46,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:26:46,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:26:46,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:26:46,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:26:46,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:26:46,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:26:46,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:26:46,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:26:46,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:26:46,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:26:46,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:26:46,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:26:46,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:26:46,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:26:46,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:26:46,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:26:46,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:26:46,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:26:46,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:26:46,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:26:46,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:26:46,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:26:46,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:26:46,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:26:46,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:26:46,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:26:46,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:26:46,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:26:46,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:26:46,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:26:46,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:26:46,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:26:46,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:26:46,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:26:46,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:26:46,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-20 16:26:46,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:26:46,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:26:46,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 16:26:46,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 16:26:46,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:26:46,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 16:26:46,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:26:46,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:26:46,634 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 16:26:46,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:26:46,635 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:26:46,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:26:46,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:26:46,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:26:46,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:26:46,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:26:46,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:26:46,637 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:26:46,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:26:46,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:26:46,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:26:46,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:26:46,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 16:26:46,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 16:26:46,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 16:26:46,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:26:46,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:26:46,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:26:46,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 16:26:46,640 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-20 16:26:46,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:26:46,641 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 16:26:46,641 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-20 16:26:46,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:26:46,642 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-20 16:26:46,642 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-20 16:26:46,642 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_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 [2022-11-20 16:26:46,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:26:46,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:26:46,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:26:46,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:26:46,978 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:26:46,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2022-11-20 16:26:50,027 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:26:50,288 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:26:50,288 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2022-11-20 16:26:50,298 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/data/a53aa2e16/b941efbcc0f34d67ad11a2f999260c01/FLAG0fb9e0ece [2022-11-20 16:26:50,319 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/data/a53aa2e16/b941efbcc0f34d67ad11a2f999260c01 [2022-11-20 16:26:50,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:26:50,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:26:50,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:26:50,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:26:50,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:26:50,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231111b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50, skipping insertion in model container [2022-11-20 16:26:50,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:26:50,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:26:50,553 WARN L237 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_e8674916-ccfe-4e62-b88e-a4a41188d0b4/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2022-11-20 16:26:50,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:26:50,572 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:26:50,597 WARN L237 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_e8674916-ccfe-4e62-b88e-a4a41188d0b4/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2022-11-20 16:26:50,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:26:50,616 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:26:50,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50 WrapperNode [2022-11-20 16:26:50,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:26:50,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:26:50,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:26:50,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:26:50,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,678 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 186 [2022-11-20 16:26:50,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:26:50,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:26:50,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:26:50,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:26:50,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:26:50,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:26:50,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:26:50,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:26:50,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (1/1) ... [2022-11-20 16:26:50,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 16:26:50,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:26:50,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 16:26:50,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 16:26:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:26:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 16:26:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:26:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:26:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:26:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 16:26:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 16:26:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 16:26:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 16:26:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 16:26:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:26:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:26:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:26:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:26:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:26:50,797 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:26:50,977 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:26:50,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:26:51,583 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:26:51,596 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:26:51,596 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-20 16:26:51,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:26:51 BoogieIcfgContainer [2022-11-20 16:26:51,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:26:51,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 16:26:51,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 16:26:51,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 16:26:51,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:26:50" (1/3) ... [2022-11-20 16:26:51,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ca83c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:26:51, skipping insertion in model container [2022-11-20 16:26:51,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:26:50" (2/3) ... [2022-11-20 16:26:51,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ca83c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:26:51, skipping insertion in model container [2022-11-20 16:26:51,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:26:51" (3/3) ... [2022-11-20 16:26:51,615 INFO L112 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2022-11-20 16:26:51,625 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 16:26:51,637 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 16:26:51,637 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 16:26:51,637 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 16:26:51,756 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 16:26:51,810 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 16:26:51,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-20 16:26:51,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:26:51,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-20 16:26:51,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-20 16:26:51,852 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-20 16:26:51,868 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-20 16:26:51,875 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35e3dc2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 16:26:51,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 16:26:52,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:26:52,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:26:52,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1281581666, now seen corresponding path program 1 times [2022-11-20 16:26:52,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:26:52,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514709297] [2022-11-20 16:26:52,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:26:52,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:26:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:26:52,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:26:52,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514709297] [2022-11-20 16:26:52,363 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-20 16:26:52,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000399497] [2022-11-20 16:26:52,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:26:52,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:26:52,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:26:52,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:26:52,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 16:26:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:26:52,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 16:26:52,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:26:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:26:52,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 16:26:52,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000399497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:26:52,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:26:52,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 16:26:52,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499663711] [2022-11-20 16:26:52,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:26:52,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 16:26:52,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:26:52,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 16:26:52,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 16:26:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:52,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:26:52,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 86.5) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:26:52,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:52,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:52,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 16:26:53,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:26:53,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:26:53,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:26:53,018 INFO L85 PathProgramCache]: Analyzing trace with hash -601022255, now seen corresponding path program 1 times [2022-11-20 16:26:53,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:26:53,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812491517] [2022-11-20 16:26:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:26:53,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:26:53,076 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:26:53,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [695051120] [2022-11-20 16:26:53,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:26:53,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:26:53,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:26:53,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:26:53,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 16:26:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:26:53,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 16:26:53,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:26:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:26:53,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 16:26:53,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:26:53,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812491517] [2022-11-20 16:26:53,519 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:26:53,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695051120] [2022-11-20 16:26:53,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695051120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:26:53,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:26:53,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 16:26:53,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276257576] [2022-11-20 16:26:53,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:26:53,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 16:26:53,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:26:53,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 16:26:53,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 16:26:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:53,531 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:26:53,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 6 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:26:53,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:53,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:58,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:58,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:26:58,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 16:26:58,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-20 16:26:58,625 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:26:58,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:26:58,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1549324790, now seen corresponding path program 1 times [2022-11-20 16:26:58,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:26:58,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155899474] [2022-11-20 16:26:58,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:26:58,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:26:58,667 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:26:58,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530581760] [2022-11-20 16:26:58,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:26:58,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:26:58,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:26:58,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:26:58,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 16:26:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:26:58,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 16:26:58,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:26:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:26:59,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 16:26:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:26:59,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:26:59,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155899474] [2022-11-20 16:26:59,131 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:26:59,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530581760] [2022-11-20 16:26:59,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530581760] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 16:26:59,132 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 16:26:59,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-11-20 16:26:59,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386145536] [2022-11-20 16:26:59,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 16:26:59,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 16:26:59,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:26:59,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 16:26:59,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 16:26:59,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:59,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:26:59,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:26:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:26:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:59,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:26:59,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:26:59,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:26:59,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 16:26:59,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:26:59,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:26:59,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:26:59,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1122268848, now seen corresponding path program 1 times [2022-11-20 16:26:59,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:26:59,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645159553] [2022-11-20 16:26:59,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:26:59,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:26:59,601 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:26:59,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [776361484] [2022-11-20 16:26:59,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:26:59,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:26:59,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:26:59,603 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:26:59,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 16:26:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:26:59,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 16:26:59,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:26:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:27:00,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 16:27:00,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:27:00,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645159553] [2022-11-20 16:27:00,000 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:27:00,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776361484] [2022-11-20 16:27:00,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776361484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:27:00,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:27:00,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 16:27:00,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8376793] [2022-11-20 16:27:00,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:27:00,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 16:27:00,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:27:00,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 16:27:00,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-20 16:27:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:00,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:27:00,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.0) internal successors, (200), 8 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:27:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:27:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:27:00,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:27:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:27:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:27:00,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 16:27:01,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:27:01,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:27:01,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:27:01,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1798542283, now seen corresponding path program 1 times [2022-11-20 16:27:01,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:27:01,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18997201] [2022-11-20 16:27:01,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:27:01,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:01,071 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:27:01,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415825496] [2022-11-20 16:27:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:27:01,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:27:01,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:27:01,073 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:27:01,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 16:27:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:01,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 16:27:01,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:27:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:01,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 16:27:01,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:01,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:27:01,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18997201] [2022-11-20 16:27:01,597 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:27:01,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415825496] [2022-11-20 16:27:01,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415825496] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 16:27:01,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 16:27:01,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2022-11-20 16:27:01,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147064532] [2022-11-20 16:27:01,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:27:01,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 16:27:01,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:27:01,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 16:27:01,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-20 16:27:01,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:01,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:27:01,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.571428571428573) internal successors, (207), 7 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:27:01,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:01,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:27:01,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:27:01,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:27:01,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:08,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:27:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:27:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:27:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:27:08,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 16:27:09,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:27:09,090 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:27:09,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:27:09,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1591428778, now seen corresponding path program 1 times [2022-11-20 16:27:09,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:27:09,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517422970] [2022-11-20 16:27:09,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:27:09,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:09,140 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:27:09,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875627648] [2022-11-20 16:27:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:27:09,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:27:09,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:27:09,145 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:27:09,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 16:27:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:09,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 16:27:09,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:27:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:27:10,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 16:27:10,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:27:10,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517422970] [2022-11-20 16:27:10,059 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:27:10,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875627648] [2022-11-20 16:27:10,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875627648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:27:10,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:27:10,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 16:27:10,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808149478] [2022-11-20 16:27:10,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:27:10,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 16:27:10,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:27:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 16:27:10,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-20 16:27:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:10,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:27:10,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.0) internal successors, (216), 12 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:27:10,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:10,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:27:10,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:27:10,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:27:10,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:27:10,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:27:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:27:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:27:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:27:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:27:11,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 16:27:11,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 16:27:11,245 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:27:11,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:27:11,246 INFO L85 PathProgramCache]: Analyzing trace with hash -824146837, now seen corresponding path program 1 times [2022-11-20 16:27:11,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:27:11,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222076603] [2022-11-20 16:27:11,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:27:11,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:11,284 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:27:11,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1175389248] [2022-11-20 16:27:11,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:27:11,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:27:11,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:27:11,292 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:27:11,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 16:27:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:11,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 16:27:11,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:27:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:27:11,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 16:27:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:27:12,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:27:12,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222076603] [2022-11-20 16:27:12,078 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:27:12,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175389248] [2022-11-20 16:27:12,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175389248] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 16:27:12,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 16:27:12,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2022-11-20 16:27:12,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860721711] [2022-11-20 16:27:12,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:27:12,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 16:27:12,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:27:12,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 16:27:12,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-20 16:27:12,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:12,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:27:12,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:27:12,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:12,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:27:12,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:27:12,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:27:12,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:27:12,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:27:12,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:27:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:27:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:27:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:27:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:27:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:27:22,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:27:22,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 16:27:23,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:27:23,116 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:27:23,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:27:23,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1718475277, now seen corresponding path program 1 times [2022-11-20 16:27:23,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:27:23,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60928755] [2022-11-20 16:27:23,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:27:23,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:23,162 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:27:23,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [132397008] [2022-11-20 16:27:23,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:27:23,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:27:23,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:27:23,167 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:27:23,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 16:27:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:23,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 135 conjunts are in the unsatisfiable core [2022-11-20 16:27:23,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:27:23,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 16:27:24,642 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 16:27:24,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 16:27:25,187 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 16:27:25,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 16:27:26,026 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-20 16:27:26,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-20 16:27:27,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 16:27:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 16:27:27,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-20 16:27:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 16:27:27,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-20 16:27:28,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-20 16:27:28,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 16:27:29,356 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 16:27:29,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 59 [2022-11-20 16:27:29,379 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-20 16:27:29,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 33 [2022-11-20 16:27:29,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 16:27:31,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 16:27:31,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2022-11-20 16:27:31,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 16:27:31,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2022-11-20 16:27:31,323 INFO L321 Elim1Store]: treesize reduction 48, result has 12.7 percent of original size [2022-11-20 16:27:31,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 19 [2022-11-20 16:27:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:27:31,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 16:27:33,273 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 16:27:33,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 322 treesize of output 294 [2022-11-20 16:27:33,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 137 [2022-11-20 16:28:30,833 WARN L233 SmtUtils]: Spent 47.68s on a formula simplification. DAG size of input: 96 DAG size of output: 75 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:28:49,526 WARN L233 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:29:02,272 INFO L321 Elim1Store]: treesize reduction 4, result has 98.0 percent of original size [2022-11-20 16:29:02,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 4108 treesize of output 3212 [2022-11-20 16:29:17,089 INFO L321 Elim1Store]: treesize reduction 4, result has 98.0 percent of original size [2022-11-20 16:29:17,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 4096 treesize of output 3200 [2022-11-20 16:29:32,551 INFO L321 Elim1Store]: treesize reduction 126, result has 36.0 percent of original size [2022-11-20 16:29:32,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3364 treesize of output 2562 [2022-11-20 16:29:38,274 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 16:29:38,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 16:29:38,295 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 16:29:38,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 263 treesize of output 257 [2022-11-20 16:29:38,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 234 [2022-11-20 16:29:38,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 218 [2022-11-20 16:29:38,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 214 [2022-11-20 16:29:49,028 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 16:29:49,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2022-11-20 16:29:49,043 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-20 16:29:49,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2022-11-20 16:29:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:29:51,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:29:51,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60928755] [2022-11-20 16:29:51,210 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:29:51,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132397008] [2022-11-20 16:29:51,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132397008] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 16:29:51,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 16:29:51,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 53] total 107 [2022-11-20 16:29:51,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397727074] [2022-11-20 16:29:51,211 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 16:29:51,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-11-20 16:29:51,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:29:51,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-11-20 16:29:51,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=594, Invalid=10711, Unknown=37, NotChecked=0, Total=11342 [2022-11-20 16:29:51,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:29:51,217 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:29:51,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 4.149532710280374) internal successors, (444), 107 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:29:51,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:29:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:29:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:29:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:29:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:29:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:29:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:29:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:30:39,366 WARN L233 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:31:07,417 WARN L233 SmtUtils]: Spent 9.70s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:32:04,770 WARN L233 SmtUtils]: Spent 24.28s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:32:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:32:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:32:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:32:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:32:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:32:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-20 16:32:36,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 16:32:36,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-20 16:32:36,679 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:32:36,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:32:36,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1249470408, now seen corresponding path program 2 times [2022-11-20 16:32:36,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:32:36,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728482239] [2022-11-20 16:32:36,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:32:36,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:32:36,717 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:32:36,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928047956] [2022-11-20 16:32:36,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 16:32:36,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:32:36,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:32:36,719 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:32:36,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 16:32:37,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 16:32:37,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 16:32:37,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 16:32:37,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:32:37,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:32:37,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 16:32:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:32:37,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:32:37,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728482239] [2022-11-20 16:32:37,492 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:32:37,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928047956] [2022-11-20 16:32:37,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928047956] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 16:32:37,492 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 16:32:37,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-20 16:32:37,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601258002] [2022-11-20 16:32:37,493 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 16:32:37,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 16:32:37,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:32:37,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 16:32:37,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-20 16:32:37,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:32:37,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:32:37,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.75) internal successors, (285), 12 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:32:37,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:32:37,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:32:37,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:32:37,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:32:37,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:37,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:32:37,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:37,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-11-20 16:32:37,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:32:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:32:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:32:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:32:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:32:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:38,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:32:38,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:38,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-20 16:32:38,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 16:32:38,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 16:32:38,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:32:38,804 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:32:38,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:32:38,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2009423486, now seen corresponding path program 3 times [2022-11-20 16:32:38,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:32:38,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641884557] [2022-11-20 16:32:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:32:38,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:32:38,842 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:32:38,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1304067967] [2022-11-20 16:32:38,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 16:32:38,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:32:38,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:32:38,844 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:32:38,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 16:32:39,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 16:32:39,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 16:32:39,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 16:32:39,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:32:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:32:39,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 16:32:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:32:40,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:32:40,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641884557] [2022-11-20 16:32:40,220 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:32:40,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304067967] [2022-11-20 16:32:40,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304067967] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 16:32:40,220 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 16:32:40,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-11-20 16:32:40,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29109249] [2022-11-20 16:32:40,221 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 16:32:40,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 16:32:40,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:32:40,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 16:32:40,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-11-20 16:32:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:32:40,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:32:40,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.31578947368421) internal successors, (291), 19 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:32:40,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:32:40,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:32:40,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:32:40,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:32:40,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:40,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:32:40,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:40,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-11-20 16:32:40,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-20 16:32:40,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:32:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:32:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:32:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:32:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:32:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:32:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:32:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-20 16:32:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 16:32:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-20 16:32:48,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 16:32:49,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:32:49,036 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:32:49,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:32:49,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1149075093, now seen corresponding path program 4 times [2022-11-20 16:32:49,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:32:49,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115931528] [2022-11-20 16:32:49,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:32:49,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:32:49,083 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:32:49,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212729607] [2022-11-20 16:32:49,084 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 16:32:49,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:32:49,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:32:49,094 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:32:49,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 16:32:49,592 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 16:32:49,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 16:32:49,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 122 conjunts are in the unsatisfiable core [2022-11-20 16:32:49,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:32:49,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 16:32:50,174 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 16:32:50,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 16:32:50,784 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 16:32:50,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-20 16:32:51,972 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-11-20 16:32:51,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2022-11-20 16:32:53,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 16:32:54,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 16:32:54,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-20 16:32:54,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 16:32:54,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-20 16:32:55,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-20 16:32:55,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2022-11-20 16:32:56,703 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 16:32:56,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 65 [2022-11-20 16:32:56,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2022-11-20 16:32:56,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-20 16:32:58,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 16:32:58,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-20 16:32:59,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 16:32:59,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 27 [2022-11-20 16:32:59,236 INFO L321 Elim1Store]: treesize reduction 20, result has 25.9 percent of original size [2022-11-20 16:32:59,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 19 [2022-11-20 16:32:59,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:32:59,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 16:33:01,436 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 16:33:01,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 322 treesize of output 294 [2022-11-20 16:33:01,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 137 [2022-11-20 16:34:03,466 WARN L233 SmtUtils]: Spent 54.39s on a formula simplification. DAG size of input: 94 DAG size of output: 75 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:34:21,640 WARN L233 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:34:29,798 INFO L321 Elim1Store]: treesize reduction 4, result has 98.0 percent of original size [2022-11-20 16:34:29,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2960 treesize of output 2280 [2022-11-20 16:34:38,394 INFO L321 Elim1Store]: treesize reduction 4, result has 98.0 percent of original size [2022-11-20 16:34:38,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 4036 treesize of output 3356 [2022-11-20 16:35:50,852 INFO L321 Elim1Store]: treesize reduction 82, result has 58.4 percent of original size [2022-11-20 16:35:50,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 4100 treesize of output 3342 [2022-11-20 16:35:59,045 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 16:35:59,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-11-20 16:35:59,055 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 16:35:59,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 263 treesize of output 257 [2022-11-20 16:35:59,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 226 [2022-11-20 16:35:59,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 218 [2022-11-20 16:35:59,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 214 [2022-11-20 16:36:09,368 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 16:36:09,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2022-11-20 16:36:09,383 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 16:36:09,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2022-11-20 16:36:09,971 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:36:09,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:36:09,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115931528] [2022-11-20 16:36:09,972 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:36:09,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212729607] [2022-11-20 16:36:09,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212729607] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 16:36:09,972 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 16:36:09,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 46] total 91 [2022-11-20 16:36:09,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703548961] [2022-11-20 16:36:09,972 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 16:36:09,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-11-20 16:36:09,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:36:09,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-11-20 16:36:09,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=7788, Unknown=38, NotChecked=0, Total=8190 [2022-11-20 16:36:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:36:09,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:36:09,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.8791208791208796) internal successors, (444), 91 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:36:09,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:36:09,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:36:09,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:36:09,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:36:09,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:36:09,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:36:09,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:36:09,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-11-20 16:36:09,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-20 16:36:09,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-11-20 16:36:09,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:36:53,629 WARN L233 SmtUtils]: Spent 23.74s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:37:34,861 WARN L233 SmtUtils]: Spent 24.94s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:38:14,299 WARN L233 SmtUtils]: Spent 22.53s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 16:38:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:38:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:38:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:38:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:38:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:38:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:38:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:38:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-20 16:38:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 16:38:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-20 16:38:21,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-11-20 16:38:21,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-20 16:38:21,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 16:38:21,507 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:38:21,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:38:21,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1691402063, now seen corresponding path program 5 times [2022-11-20 16:38:21,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:38:21,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305046238] [2022-11-20 16:38:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:38:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:21,530 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:38:21,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534677556] [2022-11-20 16:38:21,530 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 16:38:21,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:38:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:38:21,531 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:38:21,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 16:38:21,876 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-11-20 16:38:21,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 16:38:21,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 16:38:21,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:38:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:38:22,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 16:38:22,758 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:38:22,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:38:22,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305046238] [2022-11-20 16:38:22,758 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 16:38:22,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534677556] [2022-11-20 16:38:22,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534677556] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 16:38:22,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 16:38:22,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-11-20 16:38:22,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359173046] [2022-11-20 16:38:22,759 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 16:38:22,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 16:38:22,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:38:22,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 16:38:22,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-11-20 16:38:22,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:38:22,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:38:22,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.421052631578947) internal successors, (293), 19 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-20 16:38:22,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-11-20 16:38:22,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-11-20 16:38:22,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:38:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:38:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:38:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 16:38:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:38:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:38:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 16:38:33,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 16:38:33,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-20 16:38:33,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 16:38:33,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-20 16:38:33,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-11-20 16:38:33,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-20 16:38:33,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-20 16:38:33,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 16:38:33,921 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:38:33,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:38:33,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1536526885, now seen corresponding path program 6 times [2022-11-20 16:38:33,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:38:33,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332240723] [2022-11-20 16:38:33,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:38:33,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:33,951 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 16:38:33,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159286182] [2022-11-20 16:38:33,952 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-20 16:38:33,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 16:38:33,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:38:33,953 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 16:38:33,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8674916-ccfe-4e62-b88e-a4a41188d0b4/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-20 16:38:34,355 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-11-20 16:38:34,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 16:38:34,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 103 conjunts are in the unsatisfiable core [2022-11-20 16:38:34,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 16:38:34,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 16:38:34,620 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 16:38:34,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 16:38:34,975 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-11-20 16:38:34,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 22 [2022-11-20 16:38:35,208 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-20 16:38:35,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-20 16:38:35,853 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-20 16:38:35,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 25 [2022-11-20 16:38:36,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 16:38:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 16:38:36,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-20 16:38:36,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-11-20 16:38:37,591 INFO L321 Elim1Store]: treesize reduction 179, result has 10.1 percent of original size [2022-11-20 16:38:37,592 INFO L350 Elim1Store]: Elim1 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 64 treesize of output 50 [2022-11-20 16:38:37,610 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 16:38:37,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 82 [2022-11-20 16:38:37,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 16:38:37,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 57 [2022-11-20 16:38:37,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2022-11-20 16:38:37,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 16:38:37,786 INFO L321 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2022-11-20 16:38:37,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 54 [2022-11-20 16:38:37,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 49 [2022-11-20 16:38:40,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 16:38:40,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2022-11-20 16:38:40,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 16:38:40,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2022-11-20 16:38:40,480 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-11-20 16:38:40,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 19 [2022-11-20 16:38:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:38:40,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 16:38:49,101 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 16:38:49,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1882 treesize of output 1686 [2022-11-20 16:38:49,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1674 treesize of output 1650 [2022-11-20 16:38:49,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1650 treesize of output 1638 [2022-11-20 16:38:53,111 WARN L859 $PredicateComparison]: unable to prove that (or (< (+ c_thread2Thread1of1ForFork0_~j~0 1) c_~M~0) (let ((.cse36 (* c_thread2Thread1of1ForFork0_~i~1 4))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| c_~B~0.base) (+ .cse36 c_~B~0.offset)))) (let ((.cse12 (= .cse3 c_~B~0.base)) (.cse6 (* c_thread2Thread1of1ForFork0_~j~0 4)) (.cse22 (= c_~B~0.base c_~A~0.base))) (let ((.cse8 (not .cse22)) (.cse4 (* c_thread1Thread1of1ForFork1_~i~0 4)) (.cse5 (select |c_#memory_int| .cse3)) (.cse7 (select (select |c_#memory_int| c_~F~0.base) (+ .cse6 c_~F~0.offset (* (* c_thread2Thread1of1ForFork0_~i~1 c_~M~0) 4)))) (.cse21 (not .cse12))) (and (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_126 Int) (v_ArrVal_1271 (Array Int Int))) (or (< ~b~0 0) (< ~a~0 0) (<= c_~M~0 ~b~0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (let ((.cse2 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_124) .cse7)))) (let ((.cse0 (store (select .cse2 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse1 (* ~b~0 4))) (= (select .cse0 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse1)) (select (select (store .cse2 c_~A~0.base .cse0) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))) (+ .cse1 v_arrayElimCell_126))))))) .cse8) (or (and (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_ArrVal_1271 (Array Int Int))) (or (< ~b~0 0) (< ~a~0 0) (<= c_~M~0 ~b~0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (let ((.cse9 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_124) .cse7)))) (let ((.cse10 (store (select .cse9 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse11 (* ~b~0 4))) (= (select (select (store .cse9 c_~A~0.base .cse10) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))) (+ .cse11 v_arrayElimCell_124)) (select .cse10 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse11))))))) .cse12) (forall ((~b~0 Int)) (or (< ~b~0 0) (forall ((~a~0 Int)) (or (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (forall ((~A~0.offset Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_ArrVal_1271 (Array Int Int))) (let ((.cse17 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_124) .cse7)))) (let ((.cse15 (* ~b~0 4)) (.cse16 (store (select .cse17 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|))) (let ((.cse14 (select (store .cse17 c_~A~0.base .cse16) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset)))) (.cse13 (select .cse16 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse15)))) (or (forall ((v_arrayElimCell_127 Int)) (= .cse13 (select .cse14 (+ .cse15 v_arrayElimCell_127)))) (= (select .cse14 (+ .cse15 v_arrayElimCell_124)) .cse13)))))))) (<= c_~M~0 ~b~0))) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (or (< ~b~0 0) (< ~a~0 0) (<= c_~M~0 ~b~0) (let ((.cse20 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_124) .cse7)))) (let ((.cse18 (store (select .cse20 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse19 (* ~b~0 4))) (= (select .cse18 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse19)) (select (select (store .cse20 c_~A~0.base .cse18) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))) (+ .cse19 v_arrayElimCell_127))))) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0))) .cse21)) .cse22) (or (let ((.cse23 (forall ((~b~0 Int)) (or (< ~b~0 0) (<= c_~M~0 ~b~0) (forall ((~a~0 Int)) (or (< ~a~0 0) (forall ((~A~0.offset Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse30 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_124) .cse7)))) (let ((.cse31 (store (select .cse30 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse29 (* ~b~0 4))) (let ((.cse27 (select .cse31 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse29))) (.cse28 (select (store .cse30 c_~A~0.base .cse31) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))))) (or (= .cse27 (select .cse28 (+ .cse29 v_arrayElimCell_127))) (forall ((v_arrayElimCell_126 Int)) (= .cse27 (select .cse28 (+ .cse29 v_arrayElimCell_126))))))))) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0))))))) (and .cse23 (or (and .cse23 (forall ((~b~0 Int)) (or (< ~b~0 0) (forall ((~a~0 Int)) (or (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (forall ((~A~0.offset Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse26 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_124) .cse7)))) (let ((.cse24 (store (select .cse26 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse25 (* ~b~0 4))) (= (select .cse24 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse25)) (select (select (store .cse26 c_~A~0.base .cse24) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))) (+ .cse25 v_arrayElimCell_127)))))))) (<= c_~M~0 ~b~0)))) .cse22))) .cse21) (or (let ((.cse37 (forall ((~b~0 Int)) (or (< ~b~0 0) (forall ((~a~0 Int)) (let ((.cse38 (* ~a~0 4))) (or (= .cse36 .cse38) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (forall ((~A~0.offset Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse43 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_125) .cse7)))) (let ((.cse40 (* ~b~0 4)) (.cse42 (store (select .cse43 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|))) (let ((.cse39 (select (store .cse43 c_~A~0.base .cse42) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse38 c_~B~0.offset)))) (.cse41 (select .cse42 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse40)))) (or (forall ((v_arrayElimCell_126 Int)) (= (select .cse39 (+ .cse40 v_arrayElimCell_126)) .cse41)) (= (select .cse39 (+ .cse40 v_arrayElimCell_127)) .cse41))))))))) (<= c_~M~0 ~b~0))))) (and (or (and (forall ((~b~0 Int)) (or (< ~b~0 0) (<= c_~M~0 ~b~0) (forall ((~a~0 Int)) (let ((.cse34 (* ~a~0 4))) (or (forall ((~A~0.offset Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse32 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_125) .cse7)))) (let ((.cse33 (store (select .cse32 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse35 (* ~b~0 4))) (= (select (select (store .cse32 c_~A~0.base .cse33) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse34 c_~B~0.offset))) (+ .cse35 v_arrayElimCell_127)) (select .cse33 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse35)))))) (= .cse36 .cse34) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0)))))) .cse37) .cse22) .cse37)) .cse21) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_126 Int) (v_arrayElimCell_125 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse44 (* ~a~0 4))) (or (< ~b~0 0) (= .cse36 .cse44) (< ~a~0 0) (<= c_~M~0 ~b~0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (let ((.cse45 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_125) .cse7)))) (let ((.cse46 (store (select .cse45 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse47 (* ~b~0 4))) (= (select (select (store .cse45 c_~A~0.base .cse46) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse44 c_~B~0.offset))) (+ .cse47 v_arrayElimCell_126)) (select .cse46 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse47)))))))) .cse8) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_126 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse51 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_124) .cse7)))) (let ((.cse52 (store (select .cse51 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse49 (* ~b~0 4))) (let ((.cse50 (select .cse52 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse49))) (.cse48 (select (store .cse51 c_~A~0.base .cse52) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))))) (or (< ~b~0 0) (< ~a~0 0) (<= c_~M~0 ~b~0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (= (select .cse48 (+ .cse49 v_arrayElimCell_124)) .cse50) (= .cse50 (select .cse48 (+ .cse49 v_arrayElimCell_126)))))))) .cse12) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_126 Int) (v_arrayElimCell_125 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse58 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_125) .cse7)))) (let ((.cse55 (* ~b~0 4)) (.cse57 (store (select .cse58 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse53 (* ~a~0 4))) (let ((.cse54 (select (store .cse58 c_~A~0.base .cse57) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse53 c_~B~0.offset)))) (.cse56 (select .cse57 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse55)))) (or (< ~b~0 0) (= .cse36 .cse53) (< ~a~0 0) (<= c_~M~0 ~b~0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (= (select .cse54 (+ .cse55 v_arrayElimCell_124)) .cse56) (= (select .cse54 (+ .cse55 v_arrayElimCell_126)) .cse56)))))) .cse12) (or (and (forall ((~b~0 Int)) (or (< ~b~0 0) (<= c_~M~0 ~b~0) (forall ((~a~0 Int)) (let ((.cse59 (* ~a~0 4))) (or (= .cse36 .cse59) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (forall ((~A~0.offset Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse64 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_125) .cse7)))) (let ((.cse61 (* ~b~0 4)) (.cse63 (store (select .cse64 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|))) (let ((.cse60 (select (store .cse64 c_~A~0.base .cse63) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse59 c_~B~0.offset)))) (.cse62 (select .cse63 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse61)))) (or (forall ((v_arrayElimCell_127 Int)) (= (select .cse60 (+ .cse61 v_arrayElimCell_127)) .cse62)) (= (select .cse60 (+ .cse61 v_arrayElimCell_124)) .cse62))))))))))) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse65 (* ~a~0 4))) (or (< ~b~0 0) (= .cse36 .cse65) (< ~a~0 0) (<= c_~M~0 ~b~0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (let ((.cse66 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_125) .cse7)))) (let ((.cse67 (store (select .cse66 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse68 (* ~b~0 4))) (= (select (select (store .cse66 c_~A~0.base .cse67) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse65 c_~B~0.offset))) (+ .cse68 v_arrayElimCell_124)) (select .cse67 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse68)))))))) .cse12) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse69 (* ~a~0 4))) (or (< ~b~0 0) (= .cse36 .cse69) (< ~a~0 0) (<= c_~M~0 ~b~0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (let ((.cse70 (store |c_#memory_int| .cse3 (store .cse5 (+ .cse6 v_arrayElimCell_125) .cse7)))) (let ((.cse71 (store (select .cse70 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse72 (* ~b~0 4))) (= (select (select (store .cse70 c_~A~0.base .cse71) (select (select (store (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse69 c_~B~0.offset))) (+ .cse72 v_arrayElimCell_127)) (select .cse71 (+ (* (* ~a~0 c_~M~0) 4) ~A~0.offset .cse72)))))))) .cse21)) .cse22))))))) is different from true [2022-11-20 16:38:56,502 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse27 (* c_thread2Thread1of1ForFork0_~i~1 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_~B~0.base) (+ .cse27 c_~B~0.offset)))) (let ((.cse26 (= .cse2 c_~B~0.base)) (.cse11 (= c_~B~0.base c_~A~0.base))) (let ((.cse9 (not .cse11)) (.cse10 (not .cse26)) (.cse4 (* c_thread1Thread1of1ForFork1_~i~0 4)) (.cse5 (select |c_#memory_int| .cse2)) (.cse7 (select |c_#memory_int| c_~F~0.base)) (.cse6 (* c_thread2Thread1of1ForFork0_~j~0 4)) (.cse8 (+ c_thread2Thread1of1ForFork0_~j~0 1))) (and (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (~M~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_126 Int) (v_ArrVal_1271 (Array Int Int))) (or (< ~b~0 0) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (let ((.cse0 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_124) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse1 (store (select .cse0 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse3 (* ~b~0 4))) (= (select (select (store .cse0 c_~A~0.base .cse1) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))) (+ .cse3 v_arrayElimCell_126)) (select .cse1 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse3))))) (<= ~M~0 ~b~0) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0)))) .cse9) (or .cse10 (let ((.cse12 (forall ((~M~0 Int)) (or (forall ((~b~0 Int)) (or (< ~b~0 0) (forall ((~a~0 Int)) (or (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (forall ((~A~0.offset Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse20 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_124) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse18 (* ~b~0 4)) (.cse19 (store (select .cse20 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|))) (let ((.cse17 (select (store .cse20 c_~A~0.base .cse19) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset)))) (.cse16 (select .cse19 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse18)))) (or (= .cse16 (select .cse17 (+ .cse18 v_arrayElimCell_127))) (forall ((v_arrayElimCell_126 Int)) (= (select .cse17 (+ .cse18 v_arrayElimCell_126)) .cse16))))))))) (<= ~M~0 ~b~0))) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0)))))) (and (or .cse11 (and .cse12 (forall ((~M~0 Int)) (or (forall ((~b~0 Int)) (or (< ~b~0 0) (forall ((~a~0 Int)) (or (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (forall ((~A~0.offset Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse15 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_124) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse13 (store (select .cse15 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse14 (* ~b~0 4))) (= (select .cse13 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse14)) (select (select (store .cse15 c_~A~0.base .cse13) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))) (+ .cse14 v_arrayElimCell_127)))))))) (<= ~M~0 ~b~0))) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0)))))) .cse12))) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (~M~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_126 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse25 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_124) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse23 (* ~b~0 4)) (.cse24 (store (select .cse25 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|))) (let ((.cse22 (select (store .cse25 c_~A~0.base .cse24) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset)))) (.cse21 (select .cse24 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse23)))) (or (< ~b~0 0) (< ~a~0 0) (= .cse21 (select .cse22 (+ .cse23 v_arrayElimCell_124))) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (= (select .cse22 (+ .cse23 v_arrayElimCell_126)) .cse21) (<= ~M~0 ~b~0) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0))))))) .cse26) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (~M~0 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_126 Int) (v_arrayElimCell_125 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse28 (* ~a~0 4))) (or (< ~b~0 0) (= .cse27 .cse28) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (let ((.cse31 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_125) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse29 (store (select .cse31 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse30 (* ~b~0 4))) (= (select .cse29 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse30)) (select (select (store .cse31 c_~A~0.base .cse29) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse28 c_~B~0.offset))) (+ .cse30 v_arrayElimCell_126))))) (<= ~M~0 ~b~0) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0))))) .cse9) (or (let ((.cse32 (forall ((~M~0 Int)) (or (< .cse8 ~M~0) (forall ((~b~0 Int)) (or (< ~b~0 0) (forall ((~a~0 Int)) (let ((.cse37 (* ~a~0 4))) (or (= .cse27 .cse37) (< ~a~0 0) (forall ((~A~0.offset Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse41 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_125) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse42 (store (select .cse41 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse39 (* ~b~0 4))) (let ((.cse40 (select .cse42 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse39))) (.cse38 (select (store .cse41 c_~A~0.base .cse42) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse37 c_~B~0.offset))))) (or (= (select .cse38 (+ .cse39 v_arrayElimCell_127)) .cse40) (forall ((v_arrayElimCell_126 Int)) (= .cse40 (select .cse38 (+ .cse39 v_arrayElimCell_126))))))))) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0)))) (<= ~M~0 ~b~0))) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0)))))) (and .cse32 (or .cse11 (and .cse32 (forall ((~M~0 Int)) (or (forall ((~b~0 Int)) (or (< ~b~0 0) (<= ~M~0 ~b~0) (forall ((~a~0 Int)) (let ((.cse33 (* ~a~0 4))) (or (= .cse27 .cse33) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (forall ((~A~0.offset Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse34 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_125) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse35 (store (select .cse34 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse36 (* ~b~0 4))) (= (select (select (store .cse34 c_~A~0.base .cse35) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse33 c_~B~0.offset))) (+ .cse36 v_arrayElimCell_127)) (select .cse35 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse36))))))))))) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0)))))))) .cse10) (or (and (forall ((~M~0 Int)) (or (forall ((~b~0 Int)) (or (< ~b~0 0) (forall ((~a~0 Int)) (or (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (forall ((~A~0.offset Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_ArrVal_1271 (Array Int Int))) (let ((.cse46 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_124) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse47 (store (select .cse46 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse45 (* ~b~0 4))) (let ((.cse43 (select .cse47 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse45))) (.cse44 (select (store .cse46 c_~A~0.base .cse47) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))))) (or (forall ((v_arrayElimCell_127 Int)) (= .cse43 (select .cse44 (+ .cse45 v_arrayElimCell_127)))) (= .cse43 (select .cse44 (+ .cse45 v_arrayElimCell_124)))))))))) (<= ~M~0 ~b~0))) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0)))) (or .cse10 (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (~M~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (or (< ~b~0 0) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (<= ~M~0 ~b~0) (< .cse8 ~M~0) (let ((.cse50 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_124) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse48 (store (select .cse50 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse49 (* ~b~0 4))) (= (select .cse48 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse49)) (select (select (store .cse50 c_~A~0.base .cse48) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))) (+ .cse49 v_arrayElimCell_127))))) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0))))) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (~M~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_ArrVal_1271 (Array Int Int))) (or (< ~b~0 0) (< ~a~0 0) (let ((.cse53 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_124) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse51 (store (select .cse53 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse52 (* ~b~0 4))) (= (select .cse51 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse52)) (select (select (store .cse53 c_~A~0.base .cse51) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ (* ~a~0 4) c_~B~0.offset))) (+ .cse52 v_arrayElimCell_124))))) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (<= ~M~0 ~b~0) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0)))) .cse26)) .cse11) (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (~M~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_126 Int) (v_arrayElimCell_125 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse58 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_125) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse57 (* ~a~0 4)) (.cse59 (store (select .cse58 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse55 (* ~b~0 4))) (let ((.cse56 (select .cse59 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse55))) (.cse54 (select (store .cse58 c_~A~0.base .cse59) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse57 c_~B~0.offset))))) (or (< ~b~0 0) (= (select .cse54 (+ .cse55 v_arrayElimCell_124)) .cse56) (= .cse27 .cse57) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (= .cse56 (select .cse54 (+ .cse55 v_arrayElimCell_126))) (<= ~M~0 ~b~0) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0))))))) .cse26) (or (and (or (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (~M~0 Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse62 (* ~a~0 4))) (or (< ~b~0 0) (let ((.cse60 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_125) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse61 (store (select .cse60 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse63 (* ~b~0 4))) (= (select (select (store .cse60 c_~A~0.base .cse61) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse62 c_~B~0.offset))) (+ .cse63 v_arrayElimCell_124)) (select .cse61 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse63))))) (= .cse27 .cse62) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (<= ~M~0 ~b~0) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0))))) .cse26) (forall ((~M~0 Int)) (or (forall ((~b~0 Int)) (or (< ~b~0 0) (forall ((~a~0 Int)) (let ((.cse64 (* ~a~0 4))) (or (= .cse27 .cse64) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (forall ((~A~0.offset Int) (v_arrayElimCell_124 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse69 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_125) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse66 (* ~b~0 4)) (.cse68 (store (select .cse69 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|))) (let ((.cse65 (select (store .cse69 c_~A~0.base .cse68) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse64 c_~B~0.offset)))) (.cse67 (select .cse68 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse66)))) (or (= (select .cse65 (+ .cse66 v_arrayElimCell_124)) .cse67) (forall ((v_arrayElimCell_127 Int)) (= (select .cse65 (+ .cse66 v_arrayElimCell_127)) .cse67)))))))))) (<= ~M~0 ~b~0))) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0)))) (or .cse10 (forall ((~A~0.offset Int) (~a~0 Int) (~b~0 Int) (~M~0 Int) (v_ArrVal_1265 (Array Int Int)) (v_arrayElimCell_125 Int) (v_arrayElimCell_127 Int) (v_ArrVal_1271 (Array Int Int))) (let ((.cse72 (* ~a~0 4))) (or (< ~b~0 0) (let ((.cse70 (store |c_#memory_int| .cse2 (store .cse5 (+ .cse6 v_arrayElimCell_125) (select .cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))) (let ((.cse71 (store (select .cse70 c_~A~0.base) (+ .cse4 ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|)) (.cse73 (* ~b~0 4))) (= (select (select (store .cse70 c_~A~0.base .cse71) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1265) c_~A~0.base v_ArrVal_1271) c_~B~0.base) (+ .cse72 c_~B~0.offset))) (+ .cse73 v_arrayElimCell_127)) (select .cse71 (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse73))))) (= .cse27 .cse72) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (<= ~M~0 ~b~0) (< .cse8 ~M~0) (not (< c_thread2Thread1of1ForFork0_~j~0 ~M~0))))))) .cse11)))))) is different from true