./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 0e0057cc 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_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --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 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:32:33,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:32:33,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-12-02 20:32:33,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:32:33,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:32:33,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:32:33,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:32:33,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:32:33,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:32:33,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:32:33,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:32:33,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:32:33,953 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:32:33,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:32:33,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:32:33,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:32:33,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:32:33,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:32:33,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:32:33,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:32:33,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:32:33,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:32:33,959 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:32:33,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:32:33,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:32:33,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:32:33,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:32:33,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:32:33,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:32:33,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:32:33,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:32:33,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:32:33,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:32:33,963 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:32:33,963 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:32:33,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:32:33,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:32:33,964 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:32:33,964 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:32:33,971 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:32:33,971 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:32:33,972 INFO L153 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_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 [2023-12-02 20:32:34,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:32:34,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:32:34,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:32:34,222 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:32:34,222 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:32:34,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2023-12-02 20:32:36,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:32:37,196 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:32:37,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2023-12-02 20:32:37,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/data/6241a999c/1d3b3d8058f847d6a317df959db61c65/FLAG25b1c2afa [2023-12-02 20:32:37,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/data/6241a999c/1d3b3d8058f847d6a317df959db61c65 [2023-12-02 20:32:37,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:32:37,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:32:37,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:32:37,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:32:37,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:32:37,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b6ca3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37, skipping insertion in model container [2023-12-02 20:32:37,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:32:37,428 WARN L240 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_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2644,2657] [2023-12-02 20:32:37,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:32:37,445 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:32:37,470 WARN L240 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_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2644,2657] [2023-12-02 20:32:37,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:32:37,490 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:32:37,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37 WrapperNode [2023-12-02 20:32:37,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:32:37,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:32:37,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:32:37,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:32:37,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,535 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 196 [2023-12-02 20:32:37,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:32:37,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:32:37,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:32:37,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:32:37,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:32:37,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:32:37,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:32:37,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:32:37,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (1/1) ... [2023-12-02 20:32:37,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:32:37,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:32:37,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:32:37,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:32:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:32:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:32:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:32:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:32:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:32:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:32:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 20:32:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 20:32:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 20:32:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 20:32:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:32:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 20:32:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:32:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:32:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:32:37,647 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:32:37,765 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:32:37,767 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:32:38,115 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:32:38,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:32:38,499 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-12-02 20:32:38,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:32:38 BoogieIcfgContainer [2023-12-02 20:32:38,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:32:38,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:32:38,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:32:38,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:32:38,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:32:37" (1/3) ... [2023-12-02 20:32:38,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5509c42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:32:38, skipping insertion in model container [2023-12-02 20:32:38,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:37" (2/3) ... [2023-12-02 20:32:38,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5509c42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:32:38, skipping insertion in model container [2023-12-02 20:32:38,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:32:38" (3/3) ... [2023-12-02 20:32:38,510 INFO L112 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2023-12-02 20:32:38,519 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:32:38,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:32:38,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 20:32:38,527 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:32:38,574 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 20:32:38,618 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:32:38,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:32:38,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:32:38,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:32:38,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:32:38,659 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:32:38,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:32:38,679 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=LoopHeads, 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;@678bdd5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:32:38,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-02 20:32:44,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:32:44,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:32:44,843 INFO L85 PathProgramCache]: Analyzing trace with hash -123530748, now seen corresponding path program 1 times [2023-12-02 20:32:44,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:32:44,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58120783] [2023-12-02 20:32:44,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:44,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:32:44,964 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:32:44,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821570268] [2023-12-02 20:32:44,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:44,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:44,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:32:44,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:32:44,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:32:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:32:45,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:32:45,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:32:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:32:45,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:32:45,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:32:45,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58120783] [2023-12-02 20:32:45,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:32:45,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821570268] [2023-12-02 20:32:45,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821570268] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:32:45,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:32:45,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:32:45,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886841171] [2023-12-02 20:32:45,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:32:45,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:32:45,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:32:45,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:32:45,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:32:45,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:45,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:32:45,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-12-02 20:32:45,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:45,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:45,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:32:45,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 20:32:45,686 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:32:45,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:32:45,686 INFO L85 PathProgramCache]: Analyzing trace with hash 2085834339, now seen corresponding path program 1 times [2023-12-02 20:32:45,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:32:45,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210977513] [2023-12-02 20:32:45,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:45,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:32:45,714 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:32:45,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942151328] [2023-12-02 20:32:45,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:45,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:45,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:32:45,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:32:45,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:32:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:32:45,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:32:45,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:32:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:32:45,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:32:45,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:32:45,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210977513] [2023-12-02 20:32:45,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:32:45,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942151328] [2023-12-02 20:32:45,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942151328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:32:45,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:32:45,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 20:32:45,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178548134] [2023-12-02 20:32:45,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:32:45,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:32:45,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:32:45,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:32:45,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:32:45,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:45,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:32:45,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2023-12-02 20:32:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:45,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:46,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:46,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:46,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:32:46,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:46,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:32:46,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:32:46,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1335386779, now seen corresponding path program 1 times [2023-12-02 20:32:46,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:32:46,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197208202] [2023-12-02 20:32:46,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:46,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:32:46,359 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:32:46,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [771919190] [2023-12-02 20:32:46,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:46,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:46,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:32:46,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:32:46,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:32:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:32:46,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 20:32:46,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:32:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:32:46,618 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:32:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 20:32:46,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:32:46,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197208202] [2023-12-02 20:32:46,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:32:46,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771919190] [2023-12-02 20:32:46,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771919190] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:32:46,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:32:46,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-02 20:32:46,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843678771] [2023-12-02 20:32:46,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:32:46,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 20:32:46,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:32:46,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 20:32:46,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-12-02 20:32:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:46,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:32:46,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 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) [2023-12-02 20:32:46,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:46,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:46,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:46,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:46,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:46,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:32:46,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:32:47,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:47,058 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:32:47,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:32:47,058 INFO L85 PathProgramCache]: Analyzing trace with hash -66402202, now seen corresponding path program 2 times [2023-12-02 20:32:47,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:32:47,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645259649] [2023-12-02 20:32:47,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:47,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:32:47,086 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:32:47,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1351901726] [2023-12-02 20:32:47,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:32:47,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:47,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:32:47,088 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:32:47,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:32:47,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:32:47,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:32:47,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 20:32:47,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:32:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:32:47,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:32:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:32:47,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:32:47,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645259649] [2023-12-02 20:32:47,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:32:47,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351901726] [2023-12-02 20:32:47,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351901726] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:32:47,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 20:32:47,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-12-02 20:32:47,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512006210] [2023-12-02 20:32:47,696 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 20:32:47,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 20:32:47,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:32:47,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 20:32:47,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-12-02 20:32:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:47,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:32:47,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 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) [2023-12-02 20:32:47,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:47,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:47,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:32:47,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:47,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:47,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:47,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:32:47,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:32:47,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:32:48,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:48,053 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:32:48,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:32:48,053 INFO L85 PathProgramCache]: Analyzing trace with hash -987773627, now seen corresponding path program 3 times [2023-12-02 20:32:48,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:32:48,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876149170] [2023-12-02 20:32:48,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:48,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:32:48,081 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:32:48,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243187009] [2023-12-02 20:32:48,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 20:32:48,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:48,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:32:48,082 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:32:48,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:32:48,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 20:32:48,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:32:48,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:32:48,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:32:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 20:32:48,576 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:32:48,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:32:48,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876149170] [2023-12-02 20:32:48,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 20:32:48,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243187009] [2023-12-02 20:32:48,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243187009] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:32:48,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:32:48,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:32:48,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563036701] [2023-12-02 20:32:48,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:32:48,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:32:48,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:32:48,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:32:48,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:32:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:48,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:32:48,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2023-12-02 20:32:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:48,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:48,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:32:48,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:32:48,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:32:48,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:48,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:32:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:32:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:32:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:32:48,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:32:48,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:48,857 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-02 20:32:48,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:32:48,857 INFO L85 PathProgramCache]: Analyzing trace with hash -795281596, now seen corresponding path program 1 times [2023-12-02 20:32:48,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:32:48,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730397137] [2023-12-02 20:32:48,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:48,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:32:48,882 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 20:32:48,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1096232724] [2023-12-02 20:32:48,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:32:48,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:32:48,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:32:48,884 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:32:48,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f329fb3-9cf1-43df-bb6d-e578ebb33b2c/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:32:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:32:49,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 80 conjunts are in the unsatisfiable core [2023-12-02 20:32:49,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:32:49,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-12-02 20:32:49,490 INFO L378 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 [2023-12-02 20:32:49,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 5 [2023-12-02 20:32:49,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-12-02 20:32:49,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-12-02 20:32:49,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:32:49,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-12-02 20:32:49,635 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-12-02 20:32:49,635 INFO L378 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 [2023-12-02 20:32:49,828 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-12-02 20:32:49,828 INFO L378 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 [2023-12-02 20:32:49,934 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2023-12-02 20:32:49,935 INFO L378 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 [2023-12-02 20:32:50,124 INFO L378 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 1 [2023-12-02 20:32:50,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:32:50,193 INFO L378 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 33 treesize of output 24 [2023-12-02 20:32:50,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:32:50,384 INFO L378 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 33 treesize of output 24 [2023-12-02 20:32:50,623 INFO L378 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 [2023-12-02 20:32:50,644 INFO L378 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 33 treesize of output 24 [2023-12-02 20:32:50,825 INFO L378 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 33 treesize of output 24 [2023-12-02 20:32:50,852 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-12-02 20:32:50,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 18 [2023-12-02 20:32:50,978 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-12-02 20:32:50,979 INFO L378 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 35 treesize of output 18 [2023-12-02 20:32:51,004 INFO L378 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 33 treesize of output 24 [2023-12-02 20:32:51,256 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-02 20:32:51,256 INFO L378 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 84 treesize of output 73 [2023-12-02 20:32:51,267 INFO L378 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 [2023-12-02 20:32:51,275 INFO L378 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 55 treesize of output 40 [2023-12-02 20:32:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 20:32:51,476 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:32:51,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:32:51,643 INFO L378 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 290 [2023-12-02 20:32:51,653 INFO L378 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 [2023-12-02 20:32:52,127 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (select (select |c_#memory_$Pointer$.base| c_~B~0.base) (+ (* c_thread2Thread1of1ForFork1_~i~1 4) c_~B~0.offset)))) (let ((.cse6 (* c_thread2Thread1of1ForFork1_~j~0 4)) (.cse10 (= .cse4 c_~B~0.base))) (let ((.cse13 (not .cse10)) (.cse5 (select |c_#memory_int| .cse4)) (.cse7 (select (select |c_#memory_int| c_~F~0.base) (+ .cse6 (* (* c_thread2Thread1of1ForFork1_~i~1 c_~M~0) 4) c_~F~0.offset)))) (and (forall ((v_~a~0_66 Int)) (or (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (let ((.cse3 (store |c_#memory_int| .cse4 (store .cse5 (+ .cse6 v_arrayElimCell_24) .cse7))) (.cse1 (* v_~b~0_56 4))) (let ((.cse2 (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse1))) (.cse0 (select .cse3 (select (select (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))))) (or (forall ((v_arrayElimCell_26 Int)) (= (select .cse0 (+ .cse1 v_arrayElimCell_26)) .cse2)) (= .cse2 (select .cse0 (+ .cse1 v_arrayElimCell_25))))))) (< c_~M~0 (+ v_~b~0_56 1)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)))) (or (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int)) (or (< v_~b~0_56 0) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)) (let ((.cse8 (store |c_#memory_int| .cse4 (store .cse5 (+ .cse6 v_arrayElimCell_25) .cse7))) (.cse9 (* v_~b~0_56 4))) (= (select (select .cse8 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse9)) (select (select .cse8 (select (select (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse9 v_arrayElimCell_25)))))) .cse10) (or (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_24 Int) (v_arrayElimCell_26 Int)) (or (< v_~b~0_56 0) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)) (let ((.cse11 (store |c_#memory_int| .cse4 (store .cse5 (+ .cse6 v_arrayElimCell_24) .cse7))) (.cse12 (* v_~b~0_56 4))) (= (select (select .cse11 (select (select (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse12 v_arrayElimCell_26)) (select (select .cse11 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse12)))))) .cse13) (or .cse13 (forall ((v_ArrVal_889 (Array Int Int)) (v_~b~0_56 Int) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_26 Int)) (or (let ((.cse14 (store |c_#memory_int| .cse4 (store .cse5 (+ .cse6 v_arrayElimCell_25) .cse7))) (.cse15 (* v_~b~0_56 4))) (= (select (select .cse14 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse15)) (select (select .cse14 (select (select (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse15 v_arrayElimCell_26)))) (< v_~b~0_56 0) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1))))) (forall ((v_~a~0_66 Int)) (or (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int)) (let ((.cse19 (store |c_#memory_int| .cse4 (store .cse5 (+ .cse6 v_arrayElimCell_25) .cse7))) (.cse18 (* v_~b~0_56 4))) (let ((.cse16 (select (select .cse19 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse18))) (.cse17 (select .cse19 (select (select (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))))) (or (forall ((v_arrayElimCell_26 Int)) (= .cse16 (select .cse17 (+ .cse18 v_arrayElimCell_26)))) (= .cse16 (select .cse17 (+ .cse18 v_arrayElimCell_25))))))) (< c_~M~0 (+ v_~b~0_56 1)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)))) (or (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (< v_~b~0_56 0) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (let ((.cse20 (store |c_#memory_int| .cse4 (store .cse5 (+ .cse6 v_arrayElimCell_24) .cse7))) (.cse21 (* v_~b~0_56 4))) (= (select (select .cse20 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse21)) (select (select .cse20 (select (select (store |c_#memory_$Pointer$.base| .cse4 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse21 v_arrayElimCell_25)))) (< c_~M~0 (+ v_~b~0_56 1)))) .cse10))))) is different from false [2023-12-02 20:32:53,172 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (* c_thread2Thread1of1ForFork1_~j~0 4))) (let ((.cse6 (+ .cse5 (* (* c_thread2Thread1of1ForFork1_~i~1 c_~M~0) 4) c_~F~0.offset)) (.cse7 (select |c_#memory_int| c_~A~0.base)) (.cse8 (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))) (.cse9 (+ (* c_thread2Thread1of1ForFork1_~i~1 4) c_~B~0.offset))) (and (forall ((v_ArrVal_885 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse1 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse2 (select (select .cse1 c_~B~0.base) .cse9))) (or (forall ((v_ArrVal_889 (Array Int Int)) (v_~b~0_56 Int) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_26 Int)) (or (< v_~b~0_56 0) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)) (let ((.cse0 (let ((.cse4 (store |c_#memory_int| c_~A~0.base (store .cse7 .cse8 v_ArrVal_885)))) (store .cse4 .cse2 (store (select .cse4 .cse2) (+ .cse5 v_arrayElimCell_25) (select (select .cse4 c_~F~0.base) .cse6))))) (.cse3 (* v_~b~0_56 4))) (= (select (select .cse0 (select (select (store .cse1 .cse2 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse3 v_arrayElimCell_26)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse3)))))) (not (= c_~B~0.base .cse2)))))) (forall ((v_ArrVal_885 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse11 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse12 (select (select .cse11 c_~B~0.base) .cse9))) (or (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int)) (or (< v_~b~0_56 0) (let ((.cse10 (let ((.cse14 (store |c_#memory_int| c_~A~0.base (store .cse7 .cse8 v_ArrVal_885)))) (store .cse14 .cse12 (store (select .cse14 .cse12) (+ .cse5 v_arrayElimCell_25) (select (select .cse14 c_~F~0.base) .cse6))))) (.cse13 (* v_~b~0_56 4))) (= (select (select .cse10 (select (select (store .cse11 .cse12 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse13 v_arrayElimCell_25)) (select (select .cse10 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse13)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)))) (= c_~B~0.base .cse12))))) (forall ((v_ArrVal_885 Int) (v_~a~0_66 Int) (v_ArrVal_884 (Array Int Int))) (or (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int)) (let ((.cse19 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse20 (select (select .cse19 c_~B~0.base) .cse9))) (let ((.cse16 (* v_~b~0_56 4)) (.cse18 (let ((.cse21 (store |c_#memory_int| c_~A~0.base (store .cse7 .cse8 v_ArrVal_885)))) (store .cse21 .cse20 (store (select .cse21 .cse20) (+ .cse5 v_arrayElimCell_25) (select (select .cse21 c_~F~0.base) .cse6)))))) (let ((.cse15 (select .cse18 (select (select (store .cse19 .cse20 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset)))) (.cse17 (select (select .cse18 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse16)))) (or (forall ((v_arrayElimCell_26 Int)) (= (select .cse15 (+ .cse16 v_arrayElimCell_26)) .cse17)) (= (select .cse15 (+ .cse16 v_arrayElimCell_25)) .cse17))))))) (< c_~M~0 (+ v_~b~0_56 1)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)))) (forall ((v_ArrVal_885 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse25 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse22 (select (select .cse25 c_~B~0.base) .cse9))) (or (= c_~B~0.base .cse22) (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (let ((.cse23 (let ((.cse26 (store |c_#memory_int| c_~A~0.base (store .cse7 .cse8 v_ArrVal_885)))) (store .cse26 .cse22 (store (select .cse26 .cse22) (+ .cse5 v_arrayElimCell_24) (select (select .cse26 c_~F~0.base) .cse6))))) (.cse24 (* v_~b~0_56 4))) (= (select (select .cse23 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse24)) (select (select .cse23 (select (select (store .cse25 .cse22 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse24 v_arrayElimCell_25)))) (< v_~b~0_56 0) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)))))))) (forall ((v_ArrVal_885 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse29 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse30 (select (select .cse29 c_~B~0.base) .cse9))) (or (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_24 Int) (v_arrayElimCell_26 Int)) (or (< v_~b~0_56 0) (let ((.cse27 (let ((.cse31 (store |c_#memory_int| c_~A~0.base (store .cse7 .cse8 v_ArrVal_885)))) (store .cse31 .cse30 (store (select .cse31 .cse30) (+ .cse5 v_arrayElimCell_24) (select (select .cse31 c_~F~0.base) .cse6))))) (.cse28 (* v_~b~0_56 4))) (= (select (select .cse27 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse28)) (select (select .cse27 (select (select (store .cse29 .cse30 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse28 v_arrayElimCell_26)))) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)))) (not (= c_~B~0.base .cse30)))))) (forall ((v_ArrVal_885 Int) (v_~a~0_66 Int) (v_ArrVal_884 (Array Int Int))) (or (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (let ((.cse36 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse37 (select (select .cse36 c_~B~0.base) .cse9))) (let ((.cse35 (let ((.cse38 (store |c_#memory_int| c_~A~0.base (store .cse7 .cse8 v_ArrVal_885)))) (store .cse38 .cse37 (store (select .cse38 .cse37) (+ .cse5 v_arrayElimCell_24) (select (select .cse38 c_~F~0.base) .cse6))))) (.cse34 (* v_~b~0_56 4))) (let ((.cse32 (select (select .cse35 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse34))) (.cse33 (select .cse35 (select (select (store .cse36 .cse37 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))))) (or (= .cse32 (select .cse33 (+ .cse34 v_arrayElimCell_25))) (forall ((v_arrayElimCell_26 Int)) (= .cse32 (select .cse33 (+ .cse34 v_arrayElimCell_26)))))))))) (< c_~M~0 (+ v_~b~0_56 1)))) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1))))))) is different from false [2023-12-02 20:32:53,954 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (* c_thread2Thread1of1ForFork1_~j~0 4))) (let ((.cse0 (+ c_thread1Thread1of1ForFork0_~i~0 1)) (.cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork1_~i~1 c_~M~0) 4) c_~F~0.offset)) (.cse8 (select |c_#memory_int| c_~A~0.base)) (.cse9 (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))) (.cse10 (+ (* c_thread2Thread1of1ForFork1_~i~1 4) c_~B~0.offset))) (and (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse3 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse1 (select (select .cse3 c_~B~0.base) .cse10))) (or (= c_~B~0.base .cse1) (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int)) (or (< v_~b~0_56 0) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)) (let ((.cse2 (let ((.cse5 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse5 .cse1 (store (select .cse5 .cse1) (+ .cse6 v_arrayElimCell_25) (select (select .cse5 c_~F~0.base) .cse7))))) (.cse4 (* v_~b~0_56 4))) (= (select (select .cse2 (select (select (store .cse3 .cse1 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse4 v_arrayElimCell_25)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse4)))))))))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse12 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse13 (select (select .cse12 c_~B~0.base) .cse10))) (or (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_24 Int) (v_arrayElimCell_26 Int)) (or (< v_~b~0_56 0) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (let ((.cse11 (let ((.cse15 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse15 .cse13 (store (select .cse15 .cse13) (+ .cse6 v_arrayElimCell_24) (select (select .cse15 c_~F~0.base) .cse7))))) (.cse14 (* v_~b~0_56 4))) (= (select (select .cse11 (select (select (store .cse12 .cse13 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse14 v_arrayElimCell_26)) (select (select .cse11 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse14)))) (< c_~M~0 (+ v_~b~0_56 1)))) (not (= c_~B~0.base .cse13)))))) (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse18 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse16 (select (select .cse18 c_~B~0.base) .cse10))) (or (not (= c_~B~0.base .cse16)) (forall ((v_ArrVal_889 (Array Int Int)) (v_~b~0_56 Int) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_26 Int)) (or (< v_~b~0_56 0) (let ((.cse17 (let ((.cse20 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse20 .cse16 (store (select .cse20 .cse16) (+ .cse6 v_arrayElimCell_25) (select (select .cse20 c_~F~0.base) .cse7))))) (.cse19 (* v_~b~0_56 4))) (= (select (select .cse17 (select (select (store .cse18 .cse16 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse19 v_arrayElimCell_26)) (select (select .cse17 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse19)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)))))))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_~a~0_66 Int) (v_ArrVal_884 (Array Int Int))) (or (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (let ((.cse25 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse26 (select (select .cse25 c_~B~0.base) .cse10))) (let ((.cse24 (let ((.cse27 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse27 .cse26 (store (select .cse27 .cse26) (+ .cse6 v_arrayElimCell_24) (select (select .cse27 c_~F~0.base) .cse7))))) (.cse22 (* v_~b~0_56 4))) (let ((.cse23 (select (select .cse24 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse22))) (.cse21 (select .cse24 (select (select (store .cse25 .cse26 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))))) (or (forall ((v_arrayElimCell_26 Int)) (= (select .cse21 (+ .cse22 v_arrayElimCell_26)) .cse23)) (= .cse23 (select .cse21 (+ .cse22 v_arrayElimCell_25))))))))) (< c_~M~0 (+ v_~b~0_56 1)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_~a~0_66 Int) (v_ArrVal_884 (Array Int Int))) (or (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int)) (let ((.cse32 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse33 (select (select .cse32 c_~B~0.base) .cse10))) (let ((.cse29 (* v_~b~0_56 4)) (.cse31 (let ((.cse34 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse34 .cse33 (store (select .cse34 .cse33) (+ .cse6 v_arrayElimCell_25) (select (select .cse34 c_~F~0.base) .cse7)))))) (let ((.cse28 (select .cse31 (select (select (store .cse32 .cse33 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset)))) (.cse30 (select (select .cse31 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse29)))) (or (forall ((v_arrayElimCell_26 Int)) (= (select .cse28 (+ .cse29 v_arrayElimCell_26)) .cse30)) (= (select .cse28 (+ .cse29 v_arrayElimCell_25)) .cse30))))))) (< c_~M~0 (+ v_~b~0_56 1)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse38 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse35 (select (select .cse38 c_~B~0.base) .cse10))) (or (= c_~B~0.base .cse35) (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (< v_~b~0_56 0) (let ((.cse36 (let ((.cse39 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse39 .cse35 (store (select .cse39 .cse35) (+ .cse6 v_arrayElimCell_24) (select (select .cse39 c_~F~0.base) .cse7))))) (.cse37 (* v_~b~0_56 4))) (= (select (select .cse36 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse37)) (select (select .cse36 (select (select (store .cse38 .cse35 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse37 v_arrayElimCell_25)))) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1))))))))))))) is different from false [2023-12-02 20:32:55,966 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse6 (* c_thread2Thread1of1ForFork1_~j~0 4))) (let ((.cse0 (+ c_thread1Thread1of1ForFork0_~i~0 1)) (.cse7 (+ .cse6 (* (* c_thread2Thread1of1ForFork1_~i~1 c_~M~0) 4) c_~F~0.offset)) (.cse8 (select |c_#memory_int| c_~A~0.base)) (.cse9 (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))) (.cse10 (+ (* c_thread2Thread1of1ForFork1_~i~1 4) c_~B~0.offset))) (and (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse3 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse1 (select (select .cse3 c_~B~0.base) .cse10))) (or (= c_~B~0.base .cse1) (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int)) (or (< v_~b~0_56 0) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)) (let ((.cse2 (let ((.cse5 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse5 .cse1 (store (select .cse5 .cse1) (+ .cse6 v_arrayElimCell_25) (select (select .cse5 c_~F~0.base) .cse7))))) (.cse4 (* v_~b~0_56 4))) (= (select (select .cse2 (select (select (store .cse3 .cse1 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse4 v_arrayElimCell_25)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse4)))))))))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse12 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse13 (select (select .cse12 c_~B~0.base) .cse10))) (or (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_24 Int) (v_arrayElimCell_26 Int)) (or (< v_~b~0_56 0) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (let ((.cse11 (let ((.cse15 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse15 .cse13 (store (select .cse15 .cse13) (+ .cse6 v_arrayElimCell_24) (select (select .cse15 c_~F~0.base) .cse7))))) (.cse14 (* v_~b~0_56 4))) (= (select (select .cse11 (select (select (store .cse12 .cse13 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse14 v_arrayElimCell_26)) (select (select .cse11 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse14)))) (< c_~M~0 (+ v_~b~0_56 1)))) (not (= c_~B~0.base .cse13)))))) (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse18 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse16 (select (select .cse18 c_~B~0.base) .cse10))) (or (not (= c_~B~0.base .cse16)) (forall ((v_ArrVal_889 (Array Int Int)) (v_~b~0_56 Int) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_26 Int)) (or (< v_~b~0_56 0) (let ((.cse17 (let ((.cse20 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse20 .cse16 (store (select .cse20 .cse16) (+ .cse6 v_arrayElimCell_25) (select (select .cse20 c_~F~0.base) .cse7))))) (.cse19 (* v_~b~0_56 4))) (= (select (select .cse17 (select (select (store .cse18 .cse16 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse19 v_arrayElimCell_26)) (select (select .cse17 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse19)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)))))))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_~a~0_66 Int) (v_ArrVal_884 (Array Int Int))) (or (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (let ((.cse25 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse26 (select (select .cse25 c_~B~0.base) .cse10))) (let ((.cse24 (let ((.cse27 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse27 .cse26 (store (select .cse27 .cse26) (+ .cse6 v_arrayElimCell_24) (select (select .cse27 c_~F~0.base) .cse7))))) (.cse22 (* v_~b~0_56 4))) (let ((.cse23 (select (select .cse24 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse22))) (.cse21 (select .cse24 (select (select (store .cse25 .cse26 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))))) (or (forall ((v_arrayElimCell_26 Int)) (= (select .cse21 (+ .cse22 v_arrayElimCell_26)) .cse23)) (= .cse23 (select .cse21 (+ .cse22 v_arrayElimCell_25))))))))) (< c_~M~0 (+ v_~b~0_56 1)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_~a~0_66 Int) (v_ArrVal_884 (Array Int Int))) (or (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int)) (let ((.cse32 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse33 (select (select .cse32 c_~B~0.base) .cse10))) (let ((.cse29 (* v_~b~0_56 4)) (.cse31 (let ((.cse34 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse34 .cse33 (store (select .cse34 .cse33) (+ .cse6 v_arrayElimCell_25) (select (select .cse34 c_~F~0.base) .cse7)))))) (let ((.cse28 (select .cse31 (select (select (store .cse32 .cse33 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset)))) (.cse30 (select (select .cse31 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse29)))) (or (forall ((v_arrayElimCell_26 Int)) (= (select .cse28 (+ .cse29 v_arrayElimCell_26)) .cse30)) (= (select .cse28 (+ .cse29 v_arrayElimCell_25)) .cse30))))))) (< c_~M~0 (+ v_~b~0_56 1)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse38 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse35 (select (select .cse38 c_~B~0.base) .cse10))) (or (= c_~B~0.base .cse35) (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (< v_~b~0_56 0) (let ((.cse36 (let ((.cse39 (store |c_#memory_int| c_~A~0.base (store (store .cse8 .cse9 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse39 .cse35 (store (select .cse39 .cse35) (+ .cse6 v_arrayElimCell_24) (select (select .cse39 c_~F~0.base) .cse7))))) (.cse37 (* v_~b~0_56 4))) (= (select (select .cse36 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse37)) (select (select .cse36 (select (select (store .cse38 .cse35 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse37 v_arrayElimCell_25)))) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1))))))))))))) is different from true [2023-12-02 20:32:56,487 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_thread1Thread1of1ForFork0_~i~0 1)) (.cse8 (+ (* (* c_thread2Thread1of1ForFork1_~i~1 c_~M~0) 4) c_~F~0.offset)) (.cse9 (select |c_#memory_int| c_~A~0.base)) (.cse10 (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))) (.cse11 (+ (* c_thread2Thread1of1ForFork1_~i~1 4) c_~B~0.offset))) (and (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_~a~0_66 Int) (v_ArrVal_884 (Array Int Int))) (or (< v_~a~0_66 0) (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int)) (let ((.cse5 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse6 (select (select .cse5 c_~B~0.base) .cse11))) (let ((.cse2 (* v_~b~0_56 4)) (.cse4 (let ((.cse7 (store |c_#memory_int| c_~A~0.base (store (store .cse9 .cse10 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse7 .cse6 (store (select .cse7 .cse6) v_arrayElimCell_25 (select (select .cse7 c_~F~0.base) .cse8)))))) (let ((.cse1 (select .cse4 (select (select (store .cse5 .cse6 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset)))) (.cse3 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse2)))) (or (forall ((v_arrayElimCell_26 Int)) (= (select .cse1 (+ .cse2 v_arrayElimCell_26)) .cse3)) (= (select .cse1 (+ .cse2 v_arrayElimCell_25)) .cse3))))))) (< c_~M~0 (+ v_~b~0_56 1)))) (< c_~N~0 (+ v_~a~0_66 1)))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_~a~0_66 Int) (v_ArrVal_884 (Array Int Int))) (or (forall ((v_~b~0_56 Int)) (or (< v_~b~0_56 0) (< c_~M~0 (+ v_~b~0_56 1)) (forall ((v_ArrVal_889 (Array Int Int)) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (let ((.cse16 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse17 (select (select .cse16 c_~B~0.base) .cse11))) (let ((.cse15 (let ((.cse18 (store |c_#memory_int| c_~A~0.base (store (store .cse9 .cse10 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse18 .cse17 (store (select .cse18 .cse17) v_arrayElimCell_24 (select (select .cse18 c_~F~0.base) .cse8))))) (.cse13 (* v_~b~0_56 4))) (let ((.cse14 (select (select .cse15 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse13))) (.cse12 (select .cse15 (select (select (store .cse16 .cse17 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))))) (or (= (select .cse12 (+ .cse13 v_arrayElimCell_25)) .cse14) (forall ((v_arrayElimCell_26 Int)) (= .cse14 (select .cse12 (+ .cse13 v_arrayElimCell_26)))))))))))) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse20 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse21 (select (select .cse20 c_~B~0.base) .cse11))) (or (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int)) (or (< v_~b~0_56 0) (let ((.cse19 (let ((.cse23 (store |c_#memory_int| c_~A~0.base (store (store .cse9 .cse10 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse23 .cse21 (store (select .cse23 .cse21) v_arrayElimCell_25 (select (select .cse23 c_~F~0.base) .cse8))))) (.cse22 (* v_~b~0_56 4))) (= (select (select .cse19 (select (select (store .cse20 .cse21 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse22 v_arrayElimCell_25)) (select (select .cse19 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse22)))) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)))) (= c_~B~0.base .cse21))))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse25 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse26 (select (select .cse25 c_~B~0.base) .cse11))) (or (forall ((v_ArrVal_889 (Array Int Int)) (v_~b~0_56 Int) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_26 Int)) (or (< v_~b~0_56 0) (< v_~a~0_66 0) (let ((.cse24 (let ((.cse28 (store |c_#memory_int| c_~A~0.base (store (store .cse9 .cse10 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse28 .cse26 (store (select .cse28 .cse26) v_arrayElimCell_25 (select (select .cse28 c_~F~0.base) .cse8))))) (.cse27 (* v_~b~0_56 4))) (= (select (select .cse24 (select (select (store .cse25 .cse26 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse27 v_arrayElimCell_26)) (select (select .cse24 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse27)))) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)))) (not (= c_~B~0.base .cse26)))))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse31 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse29 (select (select .cse31 c_~B~0.base) .cse11))) (or (= c_~B~0.base .cse29) (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (let ((.cse30 (let ((.cse33 (store |c_#memory_int| c_~A~0.base (store (store .cse9 .cse10 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse33 .cse29 (store (select .cse33 .cse29) v_arrayElimCell_24 (select (select .cse33 c_~F~0.base) .cse8))))) (.cse32 (* v_~b~0_56 4))) (= (select (select .cse30 (select (select (store .cse31 .cse29 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse32 v_arrayElimCell_25)) (select (select .cse30 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse32)))) (< v_~b~0_56 0) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (< c_~M~0 (+ v_~b~0_56 1)))))))))) (forall ((v_thread1Thread1of1ForFork0_~i~0_28 Int)) (or (< v_thread1Thread1of1ForFork0_~i~0_28 .cse0) (forall ((v_ArrVal_885 Int) (v_ArrVal_881 Int) (v_ArrVal_884 (Array Int Int))) (let ((.cse36 (store |c_#memory_$Pointer$.base| c_~A~0.base v_ArrVal_884))) (let ((.cse37 (select (select .cse36 c_~B~0.base) .cse11))) (or (forall ((v_~b~0_56 Int) (v_ArrVal_889 (Array Int Int)) (v_~a~0_66 Int) (v_arrayElimCell_24 Int) (v_arrayElimCell_26 Int)) (or (< v_~b~0_56 0) (= v_~a~0_66 c_thread2Thread1of1ForFork1_~i~1) (< v_~a~0_66 0) (< c_~N~0 (+ v_~a~0_66 1)) (let ((.cse34 (let ((.cse38 (store |c_#memory_int| c_~A~0.base (store (store .cse9 .cse10 v_ArrVal_881) (+ c_~A~0.offset (* v_thread1Thread1of1ForFork0_~i~0_28 4)) v_ArrVal_885)))) (store .cse38 .cse37 (store (select .cse38 .cse37) v_arrayElimCell_24 (select (select .cse38 c_~F~0.base) .cse8))))) (.cse35 (* v_~b~0_56 4))) (= (select (select .cse34 c_~A~0.base) (+ c_~A~0.offset (* (* v_~a~0_66 c_~M~0) 4) .cse35)) (select (select .cse34 (select (select (store .cse36 .cse37 v_ArrVal_889) c_~B~0.base) (+ (* v_~a~0_66 4) c_~B~0.offset))) (+ .cse35 v_arrayElimCell_26)))) (< c_~M~0 (+ v_~b~0_56 1)))) (not (= c_~B~0.base .cse37)))))))))) is different from false [2023-12-02 20:33:42,305 WARN L293 SmtUtils]: Spent 43.62s on a formula simplification that was a NOOP. DAG size: 667 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 20:33:42,306 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:33:42,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 268600420 treesize of output 246402597