./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S --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 [2023-11-24 22:07:42,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:07:42,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-24 22:07:42,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:07:42,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:07:42,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:07:42,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:07:42,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:07:42,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:07:42,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:07:42,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:07:42,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:07:42,780 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:07:42,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:07:42,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:07:42,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:07:42,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:07:42,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:07:42,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:07:42,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:07:42,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:07:42,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:07:42,787 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:07:42,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:07:42,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:07:42,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:07:42,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:07:42,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 22:07:42,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:07:42,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:42,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:07:42,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:07:42,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:07:42,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:07:42,794 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-24 22:07:42,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:07:42,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:07:42,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 22:07:42,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:07:42,796 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 22:07:42,797 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 22:07:42,797 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_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 [2023-11-24 22:07:43,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:07:43,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:07:43,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:07:43,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:07:43,166 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:07:43,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2023-11-24 22:07:46,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:07:46,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:07:46,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2023-11-24 22:07:46,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/data/8725b3dd2/936469cfed4444f592e0ad7cb7dad43f/FLAG48e741222 [2023-11-24 22:07:46,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/data/8725b3dd2/936469cfed4444f592e0ad7cb7dad43f [2023-11-24 22:07:46,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:07:46,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:07:46,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:46,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:07:46,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:07:46,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfaa9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46, skipping insertion in model container [2023-11-24 22:07:46,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,525 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:07:46,715 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_58cfb01f-55ee-4317-922e-a62320788d07/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2644,2657] [2023-11-24 22:07:46,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:46,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:07:46,761 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_58cfb01f-55ee-4317-922e-a62320788d07/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c[2644,2657] [2023-11-24 22:07:46,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:46,790 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:07:46,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46 WrapperNode [2023-11-24 22:07:46,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:46,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:46,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:07:46,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:07:46,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,875 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 196 [2023-11-24 22:07:46,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:46,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:07:46,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:07:46,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:07:46,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:07:46,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:07:46,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:07:46,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:07:46,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:46,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:46,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 22:07:47,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 22:07:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:07:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:07:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:07:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:07:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:07:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:07:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:07:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:07:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:07:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:07:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:07:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:07:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:07:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:07:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:07:47,044 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:07:47,162 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:07:47,165 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:07:47,696 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:07:48,146 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:07:48,146 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-24 22:07:48,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:48 BoogieIcfgContainer [2023-11-24 22:07:48,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:07:48,150 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:07:48,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:07:48,154 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:07:48,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:07:46" (1/3) ... [2023-11-24 22:07:48,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d5ec9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:48, skipping insertion in model container [2023-11-24 22:07:48,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46" (2/3) ... [2023-11-24 22:07:48,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d5ec9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:48, skipping insertion in model container [2023-11-24 22:07:48,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:48" (3/3) ... [2023-11-24 22:07:48,161 INFO L112 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2023-11-24 22:07:48,171 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 22:07:48,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:07:48,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 22:07:48,183 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 22:07:48,245 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-24 22:07:48,297 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:07:48,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 22:07:48,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:48,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 22:07:48,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-24 22:07:48,364 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 22:07:48,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 22:07:48,387 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;@319cb171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:07:48,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 22:07:54,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 22:07:54,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:54,493 INFO L85 PathProgramCache]: Analyzing trace with hash -123530748, now seen corresponding path program 1 times [2023-11-24 22:07:54,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:54,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283428952] [2023-11-24 22:07:54,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:54,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:54,613 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:07:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1815676355] [2023-11-24 22:07:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:54,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:54,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:54,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:07:54,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 22:07:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:54,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:07:54,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:07:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:07:54,976 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:07:54,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:54,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283428952] [2023-11-24 22:07:54,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:07:54,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815676355] [2023-11-24 22:07:54,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815676355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:54,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:54,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 22:07:54,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475294864] [2023-11-24 22:07:54,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:54,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 22:07:54,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:55,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 22:07:55,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-24 22:07:55,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:55,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:55,021 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) [2023-11-24 22:07:55,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:55,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-24 22:07:55,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:55,358 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 22:07:55,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:55,358 INFO L85 PathProgramCache]: Analyzing trace with hash 2085834339, now seen corresponding path program 1 times [2023-11-24 22:07:55,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:55,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494860601] [2023-11-24 22:07:55,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:55,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:55,403 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:07:55,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1049069741] [2023-11-24 22:07:55,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:55,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:55,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:55,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:07:55,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 22:07:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:55,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:07:55,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:07:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:07:55,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:07:55,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:55,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494860601] [2023-11-24 22:07:55,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:07:55,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049069741] [2023-11-24 22:07:55,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049069741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:55,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:55,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 22:07:55,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956054847] [2023-11-24 22:07:55,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:55,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 22:07:55,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:55,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 22:07:55,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-24 22:07:55,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:55,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:55,675 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) [2023-11-24 22:07:55,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:55,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:55,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:55,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:55,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:07:56,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:56,110 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 22:07:56,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:56,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1335386779, now seen corresponding path program 1 times [2023-11-24 22:07:56,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:56,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577938751] [2023-11-24 22:07:56,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:56,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:56,139 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:07:56,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [398558826] [2023-11-24 22:07:56,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:56,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:56,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:56,142 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:07:56,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 22:07:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:56,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:07:56,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:07:56,427 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:07:56,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:07:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:07:56,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:56,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577938751] [2023-11-24 22:07:56,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:07:56,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398558826] [2023-11-24 22:07:56,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398558826] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:07:56,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-24 22:07:56,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-24 22:07:56,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742973316] [2023-11-24 22:07:56,544 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-24 22:07:56,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-24 22:07:56,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:56,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-24 22:07:56,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-24 22:07:56,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:56,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:56,547 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) [2023-11-24 22:07:56,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:56,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:56,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:56,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:56,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:56,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 22:07:56,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-24 22:07:56,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 22:07:56,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:56,941 INFO L85 PathProgramCache]: Analyzing trace with hash -66402202, now seen corresponding path program 2 times [2023-11-24 22:07:56,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:56,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780950346] [2023-11-24 22:07:56,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:56,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:56,986 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:07:56,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1120585202] [2023-11-24 22:07:56,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 22:07:56,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:56,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:56,988 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:07:57,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 22:07:57,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 22:07:57,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:07:57,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:07:57,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:07:57,478 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:07:57,478 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:07:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:07:57,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:57,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780950346] [2023-11-24 22:07:57,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:07:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120585202] [2023-11-24 22:07:57,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120585202] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:07:57,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-24 22:07:57,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-11-24 22:07:57,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871605116] [2023-11-24 22:07:57,614 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-24 22:07:57,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-24 22:07:57,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:57,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-24 22:07:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-24 22:07:57,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:57,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:57,617 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) [2023-11-24 22:07:57,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:57,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:57,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:57,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 22:07:57,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-24 22:07:57,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:57,998 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 22:07:57,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:57,998 INFO L85 PathProgramCache]: Analyzing trace with hash -987773627, now seen corresponding path program 3 times [2023-11-24 22:07:57,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:57,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689665357] [2023-11-24 22:07:57,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:57,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:58,049 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:07:58,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880670083] [2023-11-24 22:07:58,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 22:07:58,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:58,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:58,053 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:07:58,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-24 22:07:58,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-24 22:07:58,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:07:58,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:07:58,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:07:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:07:58,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:07:58,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:58,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689665357] [2023-11-24 22:07:58,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 22:07:58,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880670083] [2023-11-24 22:07:58,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880670083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:58,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:58,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 22:07:58,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228075025] [2023-11-24 22:07:58,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:58,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 22:07:58,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:58,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 22:07:58,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 22:07:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:58,594 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) [2023-11-24 22:07:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:58,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:58,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-24 22:07:58,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 22:07:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 22:07:58,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-24 22:07:58,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:58,893 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-24 22:07:58,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:58,893 INFO L85 PathProgramCache]: Analyzing trace with hash -795281596, now seen corresponding path program 1 times [2023-11-24 22:07:58,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:58,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233987333] [2023-11-24 22:07:58,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:58,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:58,925 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 22:07:58,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626600819] [2023-11-24 22:07:58,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:58,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:58,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:58,927 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:07:58,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58cfb01f-55ee-4317-922e-a62320788d07/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-24 22:07:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:59,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-24 22:07:59,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:07:59,592 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 [2023-11-24 22:07:59,601 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 [2023-11-24 22:07:59,618 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 [2023-11-24 22:07:59,631 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 [2023-11-24 22:07:59,647 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 [2023-11-24 22:07:59,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:07:59,657 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 [2023-11-24 22:07:59,734 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-24 22:07:59,735 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 [2023-11-24 22:07:59,896 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-24 22:07:59,896 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 [2023-11-24 22:08:00,005 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2023-11-24 22:08:00,005 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 [2023-11-24 22:08:00,231 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 [2023-11-24 22:08:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:08:00,306 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 [2023-11-24 22:08:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:08:00,521 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 [2023-11-24 22:08:00,785 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 [2023-11-24 22:08:00,805 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 [2023-11-24 22:08:01,049 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 [2023-11-24 22:08:01,077 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-24 22:08:01,077 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 [2023-11-24 22:08:01,220 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-24 22:08:01,221 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 [2023-11-24 22:08:01,246 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 [2023-11-24 22:08:01,520 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-24 22:08:01,521 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 [2023-11-24 22:08:01,533 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 [2023-11-24 22:08:01,544 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 [2023-11-24 22:08:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:08:01,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:08:01,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:08:01,989 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 [2023-11-24 22:08:02,001 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 [2023-11-24 22:08:02,503 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 [2023-11-24 22:08:03,820 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 [2023-11-24 22:08:04,852 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 [2023-11-24 22:08:06,863 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 [2023-11-24 22:08:07,432 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