./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w --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-2329fc7 [2022-12-13 08:53:46,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:53:46,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:53:46,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:53:46,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:53:46,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:53:46,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:53:46,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:53:46,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:53:46,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:53:46,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:53:46,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:53:46,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:53:46,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:53:46,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:53:46,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:53:46,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:53:46,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:53:46,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:53:46,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:53:46,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:53:46,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:53:46,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:53:46,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:53:46,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:53:46,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:53:46,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:53:46,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:53:46,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:53:46,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:53:46,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:53:46,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:53:46,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:53:46,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:53:46,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:53:46,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:53:46,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:53:46,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:53:46,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:53:46,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:53:46,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:53:46,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 08:53:46,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:53:46,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:53:46,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:53:46,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:53:46,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:53:46,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:53:46,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:53:46,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:53:46,564 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:53:46,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:53:46,564 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:53:46,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:53:46,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:53:46,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:53:46,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 08:53:46,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:53:46,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 08:53:46,565 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:53:46,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 08:53:46,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:53:46,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 08:53:46,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:53:46,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:53:46,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:53:46,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:53:46,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:53:46,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:53:46,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 08:53:46,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:53:46,567 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 08:53:46,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:53:46,567 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:53:46,567 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:53:46,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 08:53:46,567 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:53:46,568 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:53:46,568 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_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf204635285748ea2bd88f763410b9afff54eeccde3aa0a970ff723633af9c2 [2022-12-13 08:53:46,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:53:46,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:53:46,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:53:46,773 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:53:46,773 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:53:46,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2022-12-13 08:53:49,413 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:53:49,554 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:53:49,554 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2022-12-13 08:53:49,559 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/data/a32f4eb91/6ba615e0826e45c081f4e30409918668/FLAGc85aa6dbf [2022-12-13 08:53:49,569 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/data/a32f4eb91/6ba615e0826e45c081f4e30409918668 [2022-12-13 08:53:49,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:53:49,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:53:49,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:53:49,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:53:49,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:53:49,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dbb33a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49, skipping insertion in model container [2022-12-13 08:53:49,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:53:49,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:53:49,712 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_c4da3ab7-03f8-4d67-9a10-262e556c7247/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2022-12-13 08:53:49,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:53:49,726 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:53:49,742 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_c4da3ab7-03f8-4d67-9a10-262e556c7247/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2618,2631] [2022-12-13 08:53:49,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:53:49,754 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:53:49,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49 WrapperNode [2022-12-13 08:53:49,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:53:49,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:53:49,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:53:49,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:53:49,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,784 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 186 [2022-12-13 08:53:49,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:53:49,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:53:49,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:53:49,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:53:49,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:53:49,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:53:49,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:53:49,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:53:49,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (1/1) ... [2022-12-13 08:53:49,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:53:49,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:49,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:53:49,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:53:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:53:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 08:53:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:53:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:53:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 08:53:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 08:53:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 08:53:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 08:53:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 08:53:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 08:53:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 08:53:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 08:53:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:53:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:53:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:53:49,865 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:53:49,962 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:53:49,964 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:53:50,300 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:53:50,310 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:53:50,311 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-13 08:53:50,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:53:50 BoogieIcfgContainer [2022-12-13 08:53:50,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:53:50,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:53:50,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:53:50,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:53:50,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:53:49" (1/3) ... [2022-12-13 08:53:50,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525d115c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:53:50, skipping insertion in model container [2022-12-13 08:53:50,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:49" (2/3) ... [2022-12-13 08:53:50,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525d115c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:53:50, skipping insertion in model container [2022-12-13 08:53:50,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:53:50" (3/3) ... [2022-12-13 08:53:50,319 INFO L112 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2022-12-13 08:53:50,326 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 08:53:50,334 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:53:50,334 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 08:53:50,334 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 08:53:50,390 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 08:53:50,427 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:53:50,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:53:50,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:50,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:53:50,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 08:53:50,457 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:53:50,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 08:53:50,472 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;@5f715f77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:53:50,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 08:53:52,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:53:52,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:53:52,818 INFO L85 PathProgramCache]: Analyzing trace with hash -121401188, now seen corresponding path program 1 times [2022-12-13 08:53:52,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:53:52,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014920019] [2022-12-13 08:53:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:53:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:53:52,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:53:52,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014920019] [2022-12-13 08:53:52,961 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 08:53:52,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500818172] [2022-12-13 08:53:52,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:52,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:52,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:52,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:53:52,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 08:53:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:53:53,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 08:53:53,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:53:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 08:53:53,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:53:53,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500818172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:53:53,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:53:53,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:53:53,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538307242] [2022-12-13 08:53:53,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:53:53,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 08:53:53,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:53:53,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 08:53:53,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 08:53:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:53,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:53:53,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 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) [2022-12-13 08:53:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:53,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:53,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 08:53:53,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:53,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:53:53,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:53:53,442 INFO L85 PathProgramCache]: Analyzing trace with hash 975737157, now seen corresponding path program 1 times [2022-12-13 08:53:53,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:53:53,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961948804] [2022-12-13 08:53:53,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:53,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:53:53,543 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 08:53:53,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713080885] [2022-12-13 08:53:53,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:53,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:53,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:53,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:53:53,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 08:53:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:53:53,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 08:53:53,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:53:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 08:53:53,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:53:53,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:53:53,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961948804] [2022-12-13 08:53:53,909 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 08:53:53,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713080885] [2022-12-13 08:53:53,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713080885] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:53:53,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:53:53,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 08:53:53,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590140475] [2022-12-13 08:53:53,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:53:53,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 08:53:53,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:53:53,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 08:53:53,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 08:53:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:53,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:53:53,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 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) [2022-12-13 08:53:53,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:53,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:54,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:54,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 08:53:54,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 08:53:54,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:54,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:53:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:53:54,264 INFO L85 PathProgramCache]: Analyzing trace with hash -35946309, now seen corresponding path program 1 times [2022-12-13 08:53:54,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:53:54,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309609920] [2022-12-13 08:53:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:54,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:53:54,299 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 08:53:54,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480078335] [2022-12-13 08:53:54,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:54,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:54,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:54,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:53:54,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 08:53:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:53:54,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 08:53:54,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:53:54,681 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 08:53:54,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:53:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 08:53:54,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:53:54,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309609920] [2022-12-13 08:53:54,952 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 08:53:54,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480078335] [2022-12-13 08:53:54,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480078335] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:53:54,952 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 08:53:54,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-12-13 08:53:54,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868607711] [2022-12-13 08:53:54,952 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 08:53:54,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-13 08:53:54,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:53:54,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-13 08:53:54,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-12-13 08:53:54,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:54,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:53:54,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.105263157894736) internal successors, (287), 19 states have internal predecessors, (287), 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) [2022-12-13 08:53:54,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:54,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 08:53:54,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 08:53:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 08:53:55,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 08:53:55,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:55,417 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:53:55,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:53:55,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1981738183, now seen corresponding path program 2 times [2022-12-13 08:53:55,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:53:55,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273980005] [2022-12-13 08:53:55,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:55,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:53:55,503 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 08:53:55,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1821214258] [2022-12-13 08:53:55,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 08:53:55,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:55,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:55,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:53:55,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 08:53:55,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 08:53:55,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:53:55,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 08:53:55,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:53:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 08:53:55,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 08:53:55,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:53:55,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273980005] [2022-12-13 08:53:55,889 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 08:53:55,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821214258] [2022-12-13 08:53:55,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821214258] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:53:55,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:53:55,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 08:53:55,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041635782] [2022-12-13 08:53:55,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:53:55,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 08:53:55,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:53:55,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 08:53:55,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 08:53:55,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:55,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:53:55,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.857142857142854) internal successors, (244), 7 states have internal predecessors, (244), 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) [2022-12-13 08:53:55,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:55,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 08:53:55,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 08:53:55,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 08:53:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 08:53:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:53:56,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 08:53:56,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:56,206 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:53:56,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:53:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1787353715, now seen corresponding path program 1 times [2022-12-13 08:53:56,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:53:56,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423450165] [2022-12-13 08:53:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:56,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:53:56,269 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 08:53:56,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128311239] [2022-12-13 08:53:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:56,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:56,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:56,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:53:56,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 08:53:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:53:56,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 08:53:56,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:53:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 08:53:56,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:53:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 08:53:57,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:53:57,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423450165] [2022-12-13 08:53:57,066 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 08:53:57,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128311239] [2022-12-13 08:53:57,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128311239] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:53:57,067 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 08:53:57,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2022-12-13 08:53:57,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160528437] [2022-12-13 08:53:57,067 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 08:53:57,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-13 08:53:57,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:53:57,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-13 08:53:57,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=558, Unknown=0, NotChecked=0, Total=702 [2022-12-13 08:53:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:57,070 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:53:57,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 12.0) internal successors, (324), 27 states have internal predecessors, (324), 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) [2022-12-13 08:53:57,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:57,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 08:53:57,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 08:53:57,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:53:57,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:53:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 08:53:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 08:53:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 08:53:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 08:53:57,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 08:53:57,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:57,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:53:57,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:53:57,580 INFO L85 PathProgramCache]: Analyzing trace with hash -220383989, now seen corresponding path program 2 times [2022-12-13 08:53:57,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:53:57,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038191877] [2022-12-13 08:53:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:53:57,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:53:57,605 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 08:53:57,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1175263124] [2022-12-13 08:53:57,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 08:53:57,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:53:57,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:57,606 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:53:57,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4da3ab7-03f8-4d67-9a10-262e556c7247/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 08:53:58,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 08:53:58,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:53:58,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 146 conjunts are in the unsatisfiable core [2022-12-13 08:53:58,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:53:58,673 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 [2022-12-13 08:53:58,908 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 08:53:58,909 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 [2022-12-13 08:53:59,292 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-13 08:53:59,292 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 [2022-12-13 08:53:59,747 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-12-13 08:53:59,748 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 [2022-12-13 08:54:00,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 08:54:00,154 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 [2022-12-13 08:54:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:00,370 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 [2022-12-13 08:54:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:00,376 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 14 treesize of output 16 [2022-12-13 08:54:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:00,569 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 [2022-12-13 08:54:00,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:00,579 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 14 treesize of output 16 [2022-12-13 08:54:00,795 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 14 treesize of output 16 [2022-12-13 08:54:00,801 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 [2022-12-13 08:54:00,814 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 23 treesize of output 23 [2022-12-13 08:54:01,135 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 14 treesize of output 16 [2022-12-13 08:54:01,145 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-13 08:54:01,145 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 1 case distinctions, treesize of input 27 treesize of output 29 [2022-12-13 08:54:01,151 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 [2022-12-13 08:54:01,657 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 25 treesize of output 25 [2022-12-13 08:54:01,674 INFO L321 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2022-12-13 08:54:01,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 47 [2022-12-13 08:54:01,681 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 42 treesize of output 38 [2022-12-13 08:54:02,156 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-13 08:54:02,156 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 104 treesize of output 97 [2022-12-13 08:54:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:02,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:02,170 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-13 08:54:02,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 60 [2022-12-13 08:54:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 08:54:02,177 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 61 treesize of output 61 [2022-12-13 08:54:03,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:54:03,794 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 36 treesize of output 22 [2022-12-13 08:54:03,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:54:03,801 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 [2022-12-13 08:54:03,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 08:54:03,937 INFO L321 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-12-13 08:54:03,938 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 16 [2022-12-13 08:54:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-13 08:54:04,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:38,279 WARN L837 $PredicateComparison]: unable to prove that (forall ((~a~0 Int) (~b~0 Int) (v_ArrVal_849 Int) (v_ArrVal_850 (Array Int Int)) (v_ArrVal_855 Int) (v_ArrVal_852 (Array Int Int)) (v_ArrVal_851 (Array Int Int)) (v_ArrVal_853 (Array Int Int)) (v_ArrVal_856 (Array Int Int)) (v_thread1Thread1of1ForFork1_~i~0_28 Int) (~M~0 Int) (v_ArrVal_859 (Array Int Int))) (or (< ~b~0 0) (< v_thread1Thread1of1ForFork1_~i~0_28 (+ c_thread1Thread1of1ForFork1_~i~0 1)) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (<= ~M~0 ~b~0) (< (+ c_thread2Thread1of1ForFork0_~j~0 1) ~M~0) (let ((.cse6 (+ (* c_thread2Thread1of1ForFork0_~i~1 4) c_~B~0.offset))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_851) c_~B~0.base) .cse6))) (let ((.cse0 (let ((.cse7 (store (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork1_~i~0 4)) v_ArrVal_849))) (let ((.cse4 (store |c_#memory_int| c_~A~0.base (store .cse7 (+ c_~A~0.offset (* v_thread1Thread1of1ForFork1_~i~0_28 4)) v_ArrVal_855)))) (store .cse4 .cse1 (let ((.cse5 (* c_thread2Thread1of1ForFork0_~j~0 4))) (store (select .cse4 .cse1) (+ .cse5 (select (select (store |c_#memory_$Pointer$.offset| c_~A~0.base v_ArrVal_850) c_~B~0.base) .cse6)) (select (select (store |c_#memory_int| c_~A~0.base .cse7) c_~F~0.base) (+ .cse5 (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset)))))))) (.cse3 (* ~b~0 4))) (= (let ((.cse2 (+ (* ~a~0 4) c_~B~0.offset))) (select (select .cse0 (select (select (store (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_853) .cse1 v_ArrVal_859) c_~B~0.base) .cse2)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| c_~A~0.base v_ArrVal_852) .cse1 v_ArrVal_856) c_~B~0.base) .cse2) .cse3))) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset (* (* ~M~0 ~a~0) 4) .cse3)))))))) is different from false [2022-12-13 08:54:38,593 WARN L837 $PredicateComparison]: unable to prove that (forall ((~a~0 Int) (~b~0 Int) (v_ArrVal_849 Int) (v_ArrVal_850 (Array Int Int)) (v_ArrVal_855 Int) (v_ArrVal_852 (Array Int Int)) (v_ArrVal_851 (Array Int Int)) (v_ArrVal_853 (Array Int Int)) (v_ArrVal_856 (Array Int Int)) (v_thread1Thread1of1ForFork1_~i~0_28 Int) (~M~0 Int) (v_ArrVal_859 (Array Int Int))) (or (< ~b~0 0) (< v_thread1Thread1of1ForFork1_~i~0_28 (+ c_thread1Thread1of1ForFork1_~i~0 1)) (< ~a~0 0) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (<= ~M~0 ~b~0) (let ((.cse5 (+ (* c_thread2Thread1of1ForFork0_~i~1 4) c_~B~0.offset))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_851) c_~B~0.base) .cse5))) (let ((.cse0 (let ((.cse6 (store (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork1_~i~0 4)) v_ArrVal_849))) (let ((.cse4 (store |c_#memory_int| c_~A~0.base (store .cse6 (+ c_~A~0.offset (* v_thread1Thread1of1ForFork1_~i~0_28 4)) v_ArrVal_855)))) (store .cse4 .cse1 (store (select .cse4 .cse1) (select (select (store |c_#memory_$Pointer$.offset| c_~A~0.base v_ArrVal_850) c_~B~0.base) .cse5) (select (select (store |c_#memory_int| c_~A~0.base .cse6) c_~F~0.base) (+ (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset))))))) (.cse3 (* ~b~0 4))) (= (let ((.cse2 (+ (* ~a~0 4) c_~B~0.offset))) (select (select .cse0 (select (select (store (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_853) .cse1 v_ArrVal_859) c_~B~0.base) .cse2)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| c_~A~0.base v_ArrVal_852) .cse1 v_ArrVal_856) c_~B~0.base) .cse2) .cse3))) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset (* (* ~M~0 ~a~0) 4) .cse3)))))) (< 1 ~M~0))) is different from false [2022-12-13 08:55:23,426 WARN L837 $PredicateComparison]: unable to prove that (forall ((~a~0 Int) (~b~0 Int) (v_ArrVal_849 Int) (v_ArrVal_850 (Array Int Int)) (v_ArrVal_855 Int) (v_ArrVal_852 (Array Int Int)) (v_ArrVal_851 (Array Int Int)) (~A~0.offset Int) (v_ArrVal_853 (Array Int Int)) (v_thread1Thread1of1ForFork1_~i~0_29 Int) (v_ArrVal_856 (Array Int Int)) (v_thread1Thread1of1ForFork1_~i~0_28 Int) (~M~0 Int) (v_ArrVal_859 (Array Int Int))) (or (< ~b~0 0) (< ~a~0 0) (let ((.cse5 (+ (* c_thread2Thread1of1ForFork0_~i~1 4) c_~B~0.offset))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_851) c_~B~0.base) .cse5))) (let ((.cse0 (let ((.cse6 (store (store (select |c_#memory_int| c_~A~0.base) (+ (* c_thread1Thread1of1ForFork1_~i~0 4) ~A~0.offset) |c_thread1Thread1of1ForFork1_#t~mem2|) (+ (* v_thread1Thread1of1ForFork1_~i~0_29 4) ~A~0.offset) v_ArrVal_849))) (let ((.cse4 (store |c_#memory_int| c_~A~0.base (store .cse6 (+ ~A~0.offset (* v_thread1Thread1of1ForFork1_~i~0_28 4)) v_ArrVal_855)))) (store .cse4 .cse2 (store (select .cse4 .cse2) (select (select (store |c_#memory_$Pointer$.offset| c_~A~0.base v_ArrVal_850) c_~B~0.base) .cse5) (select (select (store |c_#memory_int| c_~A~0.base .cse6) c_~F~0.base) (+ (* (* c_thread2Thread1of1ForFork0_~i~1 ~M~0) 4) c_~F~0.offset))))))) (.cse1 (* ~b~0 4))) (= (select (select .cse0 c_~A~0.base) (+ (* (* ~M~0 ~a~0) 4) ~A~0.offset .cse1)) (let ((.cse3 (+ (* ~a~0 4) c_~B~0.offset))) (select (select .cse0 (select (select (store (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_853) .cse2 v_ArrVal_859) c_~B~0.base) .cse3)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| c_~A~0.base v_ArrVal_852) .cse2 v_ArrVal_856) c_~B~0.base) .cse3) .cse1))))))) (< c_thread2Thread1of1ForFork0_~i~1 ~a~0) (< v_thread1Thread1of1ForFork1_~i~0_28 (+ v_thread1Thread1of1ForFork1_~i~0_29 1)) (<= ~M~0 ~b~0) (< v_thread1Thread1of1ForFork1_~i~0_29 (+ c_thread1Thread1of1ForFork1_~i~0 1)) (< 1 ~M~0))) is different from false [2022-12-13 08:55:23,645 INFO L321 Elim1Store]: treesize reduction 4, result has 98.5 percent of original size [2022-12-13 08:55:23,646 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 477450 treesize of output 433621 [2022-12-13 08:55:33,975 WARN L233 SmtUtils]: Spent 10.33s on a formula simplification. DAG size of input: 424 DAG size of output: 417 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)