./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:16:28,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:16:29,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-12-02 20:16:29,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:16:29,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:16:29,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:16:29,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:16:29,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:16:29,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:16:29,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:16:29,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:16:29,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:16:29,077 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:16:29,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:16:29,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:16:29,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:16:29,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:16:29,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:16:29,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:16:29,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:16:29,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:16:29,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:16:29,082 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:16:29,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:16:29,083 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:16:29,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:16:29,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:16:29,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:16:29,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:16:29,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:16:29,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:16:29,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:16:29,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:16:29,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:16:29,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:16:29,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:16:29,087 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:16:29,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:16:29,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:16:29,087 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-12-02 20:16:29,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:16:29,088 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:16:29,088 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:16:29,088 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:16:29,088 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_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 [2023-12-02 20:16:29,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:16:29,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:16:29,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:16:29,340 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:16:29,341 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:16:29,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/pthread-complex/safestack_relacy.i [2023-12-02 20:16:32,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:16:32,312 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:16:32,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/sv-benchmarks/c/pthread-complex/safestack_relacy.i [2023-12-02 20:16:32,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/data/92e3694bb/3249f9f878ef4fee9b961c9bd28947de/FLAGdf7290ab5 [2023-12-02 20:16:32,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/data/92e3694bb/3249f9f878ef4fee9b961c9bd28947de [2023-12-02 20:16:32,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:16:32,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:16:32,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:16:32,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:16:32,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:16:32,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:16:32" (1/1) ... [2023-12-02 20:16:32,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de1e419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:32, skipping insertion in model container [2023-12-02 20:16:32,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:16:32" (1/1) ... [2023-12-02 20:16:32,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:16:33,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:16:33,060 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:16:33,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:16:33,279 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:16:33,279 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:16:33,287 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:16:33,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33 WrapperNode [2023-12-02 20:16:33,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:16:33,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:16:33,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:16:33,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:16:33,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,401 INFO L138 Inliner]: procedures = 481, calls = 75, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 304 [2023-12-02 20:16:33,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:16:33,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:16:33,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:16:33,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:16:33,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:16:33,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:16:33,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:16:33,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:16:33,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (1/1) ... [2023-12-02 20:16:33,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:16:33,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:33,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:16:33,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:16:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:16:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:16:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:16:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:16:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:16:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-12-02 20:16:33,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-12-02 20:16:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:16:33,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:16:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:16:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:16:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:16:33,538 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:16:33,804 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:16:33,806 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:16:34,229 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:16:34,450 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:16:34,450 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-12-02 20:16:34,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:16:34 BoogieIcfgContainer [2023-12-02 20:16:34,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:16:34,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:16:34,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:16:34,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:16:34,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:16:32" (1/3) ... [2023-12-02 20:16:34,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa66ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:16:34, skipping insertion in model container [2023-12-02 20:16:34,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:33" (2/3) ... [2023-12-02 20:16:34,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa66ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:16:34, skipping insertion in model container [2023-12-02 20:16:34,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:16:34" (3/3) ... [2023-12-02 20:16:34,459 INFO L112 eAbstractionObserver]: Analyzing ICFG safestack_relacy.i [2023-12-02 20:16:34,467 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:16:34,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:16:34,474 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-12-02 20:16:34,475 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:16:34,566 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-12-02 20:16:34,610 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:16:34,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:16:34,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:34,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:16:34,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:16:34,662 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:16:34,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2023-12-02 20:16:34,680 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;@3377f14b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:16:34,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-02 20:16:34,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:34,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:34,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1891879474, now seen corresponding path program 1 times [2023-12-02 20:16:34,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:34,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90504357] [2023-12-02 20:16:34,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:34,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:16:35,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:35,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90504357] [2023-12-02 20:16:35,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90504357] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:16:35,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:16:35,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:16:35,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907810800] [2023-12-02 20:16:35,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:16:35,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 20:16:35,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:35,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 20:16:35,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 20:16:35,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:35,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:16:35,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:35,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:35,338 INFO L85 PathProgramCache]: Analyzing trace with hash 442847468, now seen corresponding path program 1 times [2023-12-02 20:16:35,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:35,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60392680] [2023-12-02 20:16:35,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:35,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:16:35,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:35,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60392680] [2023-12-02 20:16:35,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60392680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:16:35,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:16:35,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:16:35,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029482755] [2023-12-02 20:16:35,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:16:35,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:16:35,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:35,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:16:35,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:16:35,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:35,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:35,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:35,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:16:35,717 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:35,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:35,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1360731003, now seen corresponding path program 1 times [2023-12-02 20:16:35,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:35,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425066300] [2023-12-02 20:16:35,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:35,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 20:16:35,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:35,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425066300] [2023-12-02 20:16:35,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425066300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:16:35,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:16:35,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:16:35,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472172333] [2023-12-02 20:16:35,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:16:35,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:16:35,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:35,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:16:35,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:16:35,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,843 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:35,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:35,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:35,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:35,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:35,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:35,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:16:35,978 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:35,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:35,979 INFO L85 PathProgramCache]: Analyzing trace with hash -951339505, now seen corresponding path program 1 times [2023-12-02 20:16:35,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:35,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446846700] [2023-12-02 20:16:35,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:35,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:16:36,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:36,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446846700] [2023-12-02 20:16:36,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446846700] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:16:36,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:16:36,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:16:36,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410294700] [2023-12-02 20:16:36,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:16:36,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:16:36,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:36,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:16:36,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:16:36,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:36,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:36,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:36,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:36,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:36,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:36,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:36,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 20:16:36,323 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:36,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:36,323 INFO L85 PathProgramCache]: Analyzing trace with hash 318891839, now seen corresponding path program 1 times [2023-12-02 20:16:36,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:36,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322187398] [2023-12-02 20:16:36,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:36,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:16:36,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:36,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322187398] [2023-12-02 20:16:36,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322187398] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:36,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747876931] [2023-12-02 20:16:36,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:36,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:36,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:36,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:36,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 20:16:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:36,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:16:36,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:16:36,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 20:16:37,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747876931] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:37,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:37,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2023-12-02 20:16:37,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958774791] [2023-12-02 20:16:37,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:37,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 20:16:37,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:37,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 20:16:37,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-02 20:16:37,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:37,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:37,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:37,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-02 20:16:37,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:37,457 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:37,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:37,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1563866182, now seen corresponding path program 2 times [2023-12-02 20:16:37,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:37,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46315306] [2023-12-02 20:16:37,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:37,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 20:16:37,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:37,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46315306] [2023-12-02 20:16:37,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46315306] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:37,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580341062] [2023-12-02 20:16:37,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:16:37,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:37,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:37,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:37,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 20:16:37,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-02 20:16:37,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:16:37,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 58 conjunts are in the unsatisfiable core [2023-12-02 20:16:37,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:38,406 INFO L349 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2023-12-02 20:16:38,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 29 [2023-12-02 20:16:38,562 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:16:38,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:16:38,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 99 [2023-12-02 20:16:38,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 29 [2023-12-02 20:16:38,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2023-12-02 20:16:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 20:16:38,784 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:16:38,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580341062] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:16:38,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:16:38,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 12 [2023-12-02 20:16:38,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540030873] [2023-12-02 20:16:38,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:16:38,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 20:16:38,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:38,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 20:16:38,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-02 20:16:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:38,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:38,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:38,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:38,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:38,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:38,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:38,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:38,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:39,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:39,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:39,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:39,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:39,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:39,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:39,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 20:16:39,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:39,432 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:39,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:39,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1563866183, now seen corresponding path program 1 times [2023-12-02 20:16:39,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:39,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484288249] [2023-12-02 20:16:39,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:39,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 20:16:39,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:39,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484288249] [2023-12-02 20:16:39,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484288249] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:39,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242926504] [2023-12-02 20:16:39,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:39,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:39,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:39,663 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:39,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 20:16:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:39,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 20:16:39,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:39,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 7 [2023-12-02 20:16:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 20:16:39,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:39,912 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 20:16:39,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242926504] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:16:39,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:16:39,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-12-02 20:16:39,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361261713] [2023-12-02 20:16:39,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:16:39,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:16:39,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:39,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:16:39,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:16:39,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:39,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:39,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:39,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:39,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:39,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:39,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:39,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:40,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:40,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 20:16:40,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:40,250 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:40,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:40,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1553756320, now seen corresponding path program 1 times [2023-12-02 20:16:40,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:40,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933788808] [2023-12-02 20:16:40,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:40,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 20:16:41,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:41,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933788808] [2023-12-02 20:16:41,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933788808] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:16:41,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:16:41,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 20:16:41,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867974476] [2023-12-02 20:16:41,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:16:41,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 20:16:41,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:41,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 20:16:41,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-12-02 20:16:41,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:41,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:41,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:41,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:41,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:41,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:41,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 20:16:41,500 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:41,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:41,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1680042581, now seen corresponding path program 1 times [2023-12-02 20:16:41,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:41,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309960737] [2023-12-02 20:16:41,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:41,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 20:16:42,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:42,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309960737] [2023-12-02 20:16:42,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309960737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:16:42,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:16:42,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 20:16:42,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765785846] [2023-12-02 20:16:42,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:16:42,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:16:42,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:16:42,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:16:42,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:16:42,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:42,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:16:42,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:16:42,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:42,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:42,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:42,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:42,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:42,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:42,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:42,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:42,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:43,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:16:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:16:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:16:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:16:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:16:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:16:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:16:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:16:43,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 20:16:43,422 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:16:43,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:16:43,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1680042580, now seen corresponding path program 1 times [2023-12-02 20:16:43,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:16:43,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814388548] [2023-12-02 20:16:43,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:43,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:16:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:16:46,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:16:46,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814388548] [2023-12-02 20:16:46,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814388548] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:16:46,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542034881] [2023-12-02 20:16:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:16:46,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:16:46,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:16:46,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:16:46,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 20:16:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:16:47,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 130 conjunts are in the unsatisfiable core [2023-12-02 20:16:47,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:16:47,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:16:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:47,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 20:16:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:47,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 20:16:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:47,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 20:16:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:48,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:16:48,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:16:48,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:16:48,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2023-12-02 20:16:48,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 20:16:48,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:16:48,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 28 [2023-12-02 20:16:48,757 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:16:48,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 21 [2023-12-02 20:16:48,865 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:16:48,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:16:51,748 INFO L349 Elim1Store]: treesize reduction 289, result has 43.4 percent of original size [2023-12-02 20:16:51,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 13236 treesize of output 9847 [2023-12-02 20:16:52,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:16:52,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2100 treesize of output 2044 [2023-12-02 20:16:52,192 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 1616 treesize of output 1612 [2023-12-02 20:17:12,248 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:17:12,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 7049 treesize of output 7025 [2023-12-02 20:17:12,667 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:17:12,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 7010 treesize of output 6892 [2023-12-02 20:17:25,908 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:17:25,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 8169 treesize of output 7967 [2023-12-02 20:19:19,744 WARN L293 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 3912 DAG size of output: 4163 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:20:04,330 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 17 treesize of output 15 [2023-12-02 20:20:04,670 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 17 treesize of output 15 [2023-12-02 20:20:04,744 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 17 treesize of output 15 [2023-12-02 20:20:04,869 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 17 treesize of output 15 [2023-12-02 20:20:05,074 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 17 treesize of output 15 [2023-12-02 20:20:05,600 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 17 treesize of output 15 [2023-12-02 20:20:05,795 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 17 treesize of output 15 [2023-12-02 20:20:06,034 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 17 treesize of output 15 [2023-12-02 20:20:06,268 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 17 treesize of output 15 [2023-12-02 20:20:06,290 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 17 treesize of output 15 [2023-12-02 20:20:06,406 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 17 treesize of output 15 [2023-12-02 20:20:07,125 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 17 treesize of output 15 [2023-12-02 20:20:07,150 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 17 treesize of output 15 [2023-12-02 20:20:07,218 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 17 treesize of output 15 [2023-12-02 20:20:07,338 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 17 treesize of output 15 [2023-12-02 20:20:07,433 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 17 treesize of output 15 [2023-12-02 20:20:07,604 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 17 treesize of output 15 [2023-12-02 20:20:07,619 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 17 treesize of output 15 [2023-12-02 20:20:07,893 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 17 treesize of output 15 [2023-12-02 20:20:07,921 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 17 treesize of output 15 [2023-12-02 20:20:07,954 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 17 treesize of output 15 [2023-12-02 20:20:07,981 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 17 treesize of output 15 [2023-12-02 20:20:08,002 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 17 treesize of output 15 [2023-12-02 20:20:08,090 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 17 treesize of output 15 [2023-12-02 20:20:08,123 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 17 treesize of output 15 [2023-12-02 20:20:08,143 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 17 treesize of output 15 [2023-12-02 20:20:08,161 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 17 treesize of output 15 [2023-12-02 20:20:10,084 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 17 treesize of output 15 [2023-12-02 20:20:10,162 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 17 treesize of output 15 [2023-12-02 20:20:10,178 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 17 treesize of output 15 [2023-12-02 20:20:10,222 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 17 treesize of output 15 [2023-12-02 20:20:10,776 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 17 treesize of output 15 [2023-12-02 20:20:10,836 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 17 treesize of output 15 [2023-12-02 20:20:10,866 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 17 treesize of output 15 [2023-12-02 20:20:10,900 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 17 treesize of output 15 [2023-12-02 20:20:11,192 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 17 treesize of output 15 [2023-12-02 20:20:11,362 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 17 treesize of output 15 [2023-12-02 20:20:11,380 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 17 treesize of output 15 [2023-12-02 20:20:11,481 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 17 treesize of output 15 [2023-12-02 20:20:11,499 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 17 treesize of output 15 [2023-12-02 20:20:11,586 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 17 treesize of output 15 [2023-12-02 20:20:11,604 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 17 treesize of output 15 [2023-12-02 20:20:20,337 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 17 treesize of output 15 [2023-12-02 20:20:20,355 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 17 treesize of output 15 [2023-12-02 20:20:20,398 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 17 treesize of output 15 [2023-12-02 20:20:20,453 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 17 treesize of output 15 [2023-12-02 20:20:20,496 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 17 treesize of output 15 [2023-12-02 20:20:20,529 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 17 treesize of output 15 [2023-12-02 20:20:20,570 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 17 treesize of output 15 [2023-12-02 20:20:20,616 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 17 treesize of output 15 [2023-12-02 20:20:20,638 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 17 treesize of output 15 [2023-12-02 20:20:20,677 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 17 treesize of output 15 [2023-12-02 20:20:20,804 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 17 treesize of output 15 [2023-12-02 20:20:20,910 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 17 treesize of output 15 [2023-12-02 20:20:20,931 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 17 treesize of output 15 [2023-12-02 20:20:20,971 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 17 treesize of output 15 [2023-12-02 20:20:21,218 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 17 treesize of output 15 [2023-12-02 20:20:21,232 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 17 treesize of output 15 [2023-12-02 20:20:21,261 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 17 treesize of output 15 [2023-12-02 20:20:21,283 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 17 treesize of output 15 [2023-12-02 20:20:21,314 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 17 treesize of output 15 [2023-12-02 20:20:21,444 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 17 treesize of output 15 [2023-12-02 20:20:21,465 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 17 treesize of output 15 [2023-12-02 20:20:21,546 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 17 treesize of output 15 [2023-12-02 20:20:21,580 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 17 treesize of output 15 [2023-12-02 20:20:21,613 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 17 treesize of output 15 [2023-12-02 20:20:21,626 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 17 treesize of output 15 [2023-12-02 20:20:21,718 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 17 treesize of output 15 [2023-12-02 20:20:21,736 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 17 treesize of output 15 [2023-12-02 20:20:21,835 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 17 treesize of output 15 [2023-12-02 20:20:21,857 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 17 treesize of output 15 [2023-12-02 20:20:21,878 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 17 treesize of output 15 [2023-12-02 20:20:21,901 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 17 treesize of output 15 [2023-12-02 20:20:21,985 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 17 treesize of output 15 [2023-12-02 20:20:22,061 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 17 treesize of output 15 [2023-12-02 20:20:22,084 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 17 treesize of output 15 [2023-12-02 20:20:22,124 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 17 treesize of output 15 [2023-12-02 20:20:22,157 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 17 treesize of output 15 [2023-12-02 20:20:22,184 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 17 treesize of output 15 [2023-12-02 20:20:22,326 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 17 treesize of output 15 [2023-12-02 20:20:22,345 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 17 treesize of output 15 [2023-12-02 20:20:22,368 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 17 treesize of output 15 [2023-12-02 20:20:22,487 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 17 treesize of output 15 [2023-12-02 20:20:22,513 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 17 treesize of output 15 [2023-12-02 20:20:22,528 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 17 treesize of output 15 [2023-12-02 20:20:22,560 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 17 treesize of output 15 [2023-12-02 20:20:22,972 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 17 treesize of output 15 [2023-12-02 20:20:23,339 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 17 treesize of output 15 [2023-12-02 20:20:23,377 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 17 treesize of output 15 [2023-12-02 20:20:23,403 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 17 treesize of output 15 [2023-12-02 20:20:23,436 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 17 treesize of output 15 [2023-12-02 20:20:23,465 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 17 treesize of output 15 [2023-12-02 20:20:23,818 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 17 treesize of output 15 [2023-12-02 20:20:25,377 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 17 treesize of output 15 [2023-12-02 20:20:25,427 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 17 treesize of output 15 [2023-12-02 20:20:26,052 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 17 treesize of output 15 [2023-12-02 20:20:48,151 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 4151 DAG size of output: 4363 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 20:20:49,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2023-12-02 20:20:49,153 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:20:49,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:20:49,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 62 [2023-12-02 20:20:49,197 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 20 treesize of output 16 [2023-12-02 20:21:44,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:21:44,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48883 treesize of output 38693 [2023-12-02 20:22:10,297 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_~#stack~0.offset| 24))) (and (or (= |c_~#stack~0.base| 0) (forall ((v_ArrVal_338 (Array Int Int))) (not (= (+ |c_~#stack~0.offset| 4 (* (select (select (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_338) |c_~#stack~0.base|) .cse0) 8)) 0)))) (forall ((v_ArrVal_338 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_338) |c_~#stack~0.base|) .cse0) 3))))) is different from false [2023-12-02 20:22:59,436 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) |c_~#stack~0.offset|)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base|)) (.cse2 (+ |c_~#stack~0.offset| 24)) (.cse4 (+ 12 |c_~#stack~0.offset| (* |c_ULTIMATE.start_Init_~i~0#1| 8)))) (and (forall ((v_ArrVal_338 (Array Int Int)) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_88| Int) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_86| Int) (v_subst_3 Int) (v_subst_1 Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (or (not (= 3 (select (select (store (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store .cse1 |c_ULTIMATE.start_atomic_store_~obj#1.offset| |ULTIMATE.start_atomic_store_~v#1|)))) (store .cse0 |c_~#stack~0.base| (store (store (select .cse0 |c_~#stack~0.base|) |v_ULTIMATE.start_atomic_store_~obj#1.offset_88| v_subst_3) |v_ULTIMATE.start_atomic_store_~obj#1.offset_86| v_subst_1))) |c_~#threads~0.base| v_ArrVal_338) |c_~#stack~0.base|) .cse2))) (< .cse3 (+ |v_ULTIMATE.start_atomic_store_~obj#1.offset_86| 4)) (< .cse4 |v_ULTIMATE.start_atomic_store_~obj#1.offset_88|))) (or (= |c_~#stack~0.base| 0) (forall ((v_ArrVal_338 (Array Int Int)) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_88| Int) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_86| Int) (v_subst_4 Int) (v_subst_2 Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (or (< .cse3 (+ |v_ULTIMATE.start_atomic_store_~obj#1.offset_86| 4)) (not (= (+ (* (select (select (store (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store .cse1 |c_ULTIMATE.start_atomic_store_~obj#1.offset| |ULTIMATE.start_atomic_store_~v#1|)))) (store .cse5 |c_~#stack~0.base| (store (store (select .cse5 |c_~#stack~0.base|) |v_ULTIMATE.start_atomic_store_~obj#1.offset_88| v_subst_4) |v_ULTIMATE.start_atomic_store_~obj#1.offset_86| v_subst_2))) |c_~#threads~0.base| v_ArrVal_338) |c_~#stack~0.base|) .cse2) 8) |c_~#stack~0.offset| 4) 0)) (< .cse4 |v_ULTIMATE.start_atomic_store_~obj#1.offset_88|)))))) is different from false [2023-12-02 20:23:31,225 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) |c_~#stack~0.offset|)) (.cse2 (select |c_#memory_int| |c_~#stack~0.base|)) (.cse3 (+ |c_~#stack~0.offset| 24)) (.cse1 (+ |c_~#stack~0.offset| 4)) (.cse4 (+ 12 |c_~#stack~0.offset|))) (and (or (forall ((v_ArrVal_338 (Array Int Int)) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_88| Int) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_86| Int) (v_subst_4 Int) (v_subst_2 Int) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_90| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (or (< .cse0 (+ |v_ULTIMATE.start_atomic_store_~obj#1.offset_86| 4)) (< .cse1 |v_ULTIMATE.start_atomic_store_~obj#1.offset_90|) (not (= (+ (* (select (select (store (store |c_#memory_int| |c_~#stack~0.base| (store (store (store .cse2 |v_ULTIMATE.start_atomic_store_~obj#1.offset_90| |ULTIMATE.start_atomic_store_~v#1|) |v_ULTIMATE.start_atomic_store_~obj#1.offset_88| v_subst_4) |v_ULTIMATE.start_atomic_store_~obj#1.offset_86| v_subst_2)) |c_~#threads~0.base| v_ArrVal_338) |c_~#stack~0.base|) .cse3) 8) |c_~#stack~0.offset| 4) 0)) (< .cse4 |v_ULTIMATE.start_atomic_store_~obj#1.offset_88|))) (= |c_~#stack~0.base| 0)) (forall ((v_ArrVal_338 (Array Int Int)) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_88| Int) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_86| Int) (v_subst_3 Int) (v_subst_1 Int) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_90| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (or (< .cse0 (+ |v_ULTIMATE.start_atomic_store_~obj#1.offset_86| 4)) (not (= 3 (select (select (store (store |c_#memory_int| |c_~#stack~0.base| (store (store (store .cse2 |v_ULTIMATE.start_atomic_store_~obj#1.offset_90| |ULTIMATE.start_atomic_store_~v#1|) |v_ULTIMATE.start_atomic_store_~obj#1.offset_88| v_subst_3) |v_ULTIMATE.start_atomic_store_~obj#1.offset_86| v_subst_1)) |c_~#threads~0.base| v_ArrVal_338) |c_~#stack~0.base|) .cse3))) (< .cse1 |v_ULTIMATE.start_atomic_store_~obj#1.offset_90|) (< .cse4 |v_ULTIMATE.start_atomic_store_~obj#1.offset_88|))))) is different from false [2023-12-02 20:23:31,345 INFO L349 Elim1Store]: treesize reduction 112, result has 40.1 percent of original size [2023-12-02 20:23:31,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 93 [2023-12-02 20:23:31,352 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:23:31,354 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:23:31,386 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:23:31,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 105 treesize of output 130 [2023-12-02 20:23:31,398 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 32 treesize of output 28 [2023-12-02 20:23:31,697 INFO L349 Elim1Store]: treesize reduction 112, result has 40.1 percent of original size [2023-12-02 20:23:31,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 88 [2023-12-02 20:23:31,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:23:31,713 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:23:31,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:23:31,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 95 treesize of output 120 [2023-12-02 20:23:31,760 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 22 treesize of output 18 [2023-12-02 20:23:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 5 times theorem prover too weak. 1 trivial. 2 not checked. [2023-12-02 20:23:38,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542034881] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:23:38,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:23:38,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 24] total 64 [2023-12-02 20:23:38,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447155893] [2023-12-02 20:23:38,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:23:38,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-12-02 20:23:38,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:23:38,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-12-02 20:23:38,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=3550, Unknown=86, NotChecked=372, Total=4290 [2023-12-02 20:23:38,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:38,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:23:38,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 65 states have (on average 2.646153846153846) internal successors, (172), 65 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:42,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:23:45,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:23:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:23:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:23:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:23:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:23:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:23:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:23:49,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 20:23:50,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 20:23:50,125 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:23:50,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:23:50,126 INFO L85 PathProgramCache]: Analyzing trace with hash 634638552, now seen corresponding path program 1 times [2023-12-02 20:23:50,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:23:50,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057163542] [2023-12-02 20:23:50,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:23:50,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:23:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:23:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 20:23:51,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:23:51,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057163542] [2023-12-02 20:23:51,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057163542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:23:51,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:23:51,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 20:23:51,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196236251] [2023-12-02 20:23:51,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:23:51,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 20:23:51,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:23:51,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 20:23:51,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-02 20:23:51,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:51,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:23:51,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:23:51,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:51,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:51,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:51,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:23:51,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:23:51,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:23:51,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:23:51,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:23:51,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:51,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:23:51,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:51,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:23:51,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:23:51,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:23:51,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:23:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:23:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:23:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:23:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:23:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:23:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:23:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:23:51,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 20:23:51,777 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:23:51,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:23:51,777 INFO L85 PathProgramCache]: Analyzing trace with hash -152999515, now seen corresponding path program 1 times [2023-12-02 20:23:51,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:23:51,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839549834] [2023-12-02 20:23:51,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:23:51,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:23:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:23:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 20:23:55,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:23:55,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839549834] [2023-12-02 20:23:55,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839549834] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:23:55,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141540001] [2023-12-02 20:23:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:23:55,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:23:55,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:23:55,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:23:55,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 20:23:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:23:55,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-02 20:23:55,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:23:55,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:23:55,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 20:23:56,182 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-02 20:23:56,409 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-02 20:23:56,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:23:56,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-02 20:23:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:23:56,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-02 20:23:56,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-12-02 20:23:56,821 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 20:23:56,821 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:23:57,044 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_520 (Array Int Int))) (< 0 (+ (let ((.cse0 (select (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_520) |c_~#stack~0.base|))) (select .cse0 (+ |c_~#stack~0.offset| 4 (* 8 (select .cse0 (+ |c_~#stack~0.offset| 24)))))) 1))) is different from false [2023-12-02 20:23:57,261 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_520 (Array Int Int)) (|ULTIMATE.start_atomic_store_~v#1| Int)) (< 0 (+ (let ((.cse0 (select (store (store |c_#memory_int| |c_~#stack~0.base| (store (select |c_#memory_int| |c_~#stack~0.base|) (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|) |ULTIMATE.start_atomic_store_~v#1|)) |c_~#threads~0.base| v_ArrVal_520) |c_~#stack~0.base|))) (select .cse0 (+ (* (select .cse0 (+ |c_~#stack~0.offset| 24)) 8) |c_~#stack~0.offset| 4))) 1))) is different from false [2023-12-02 20:23:57,295 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_atomic_store_~v#1_96| Int) (v_ArrVal_520 (Array Int Int)) (|ULTIMATE.start_atomic_store_~v#1| Int)) (< 0 (+ (let ((.cse0 (select (store (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base|) |c_ULTIMATE.start_atomic_store_~obj#1.offset| |ULTIMATE.start_atomic_store_~v#1|)))) (store .cse1 |c_~#stack~0.base| (store (select .cse1 |c_~#stack~0.base|) (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|) |v_ULTIMATE.start_atomic_store_~v#1_96|))) |c_~#threads~0.base| v_ArrVal_520) |c_~#stack~0.base|))) (select .cse0 (+ (* (select .cse0 (+ |c_~#stack~0.offset| 24)) 8) |c_~#stack~0.offset| 4))) 1))) is different from false [2023-12-02 20:23:57,734 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_atomic_store_~v#1_96| Int) (v_ArrVal_520 (Array Int Int)) (|ULTIMATE.start_atomic_store_~v#1| Int)) (< 0 (+ (let ((.cse0 (select (store (store |c_#memory_int| |c_~#stack~0.base| (store (store (select |c_#memory_int| |c_~#stack~0.base|) (+ 12 |c_~#stack~0.offset| (* 8 |c_ULTIMATE.start_Init_#t~post40#1|)) |ULTIMATE.start_atomic_store_~v#1|) (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|) |v_ULTIMATE.start_atomic_store_~v#1_96|)) |c_~#threads~0.base| v_ArrVal_520) |c_~#stack~0.base|))) (select .cse0 (+ |c_~#stack~0.offset| (* (select .cse0 (+ |c_~#stack~0.offset| 24)) 8) 4))) 1))) is different from false [2023-12-02 20:24:07,110 INFO L349 Elim1Store]: treesize reduction 124, result has 42.1 percent of original size [2023-12-02 20:24:07,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 104 treesize of output 116 [2023-12-02 20:24:07,201 INFO L349 Elim1Store]: treesize reduction 10, result has 87.7 percent of original size [2023-12-02 20:24:07,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 122 treesize of output 170 [2023-12-02 20:24:07,214 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-12-02 20:24:07,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-12-02 20:24:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 11 not checked. [2023-12-02 20:24:08,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141540001] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:24:08,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:24:08,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 17, 17] total 62 [2023-12-02 20:24:08,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64682328] [2023-12-02 20:24:08,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:24:08,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-12-02 20:24:08,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:24:08,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-12-02 20:24:08,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=2957, Unknown=59, NotChecked=460, Total=3782 [2023-12-02 20:24:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:08,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:24:08,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.1451612903225805) internal successors, (195), 62 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:24:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-12-02 20:24:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:18,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:18,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:24:18,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 20:24:19,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:24:19,004 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:24:19,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:24:19,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1489355708, now seen corresponding path program 1 times [2023-12-02 20:24:19,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:24:19,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910884435] [2023-12-02 20:24:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:19,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:24:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-02 20:24:19,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:24:19,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910884435] [2023-12-02 20:24:19,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910884435] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:24:19,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:24:19,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 20:24:19,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794490659] [2023-12-02 20:24:19,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:24:19,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 20:24:19,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:24:19,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 20:24:19,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 20:24:19,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:19,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:24:19,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:24:19,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:19,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:19,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:19,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:19,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:19,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:19,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:19,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:19,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:19,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:19,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:19,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-12-02 20:24:19,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 20:24:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:23,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 20:24:23,160 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:24:23,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:24:23,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1949038690, now seen corresponding path program 1 times [2023-12-02 20:24:23,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:24:23,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538834166] [2023-12-02 20:24:23,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:23,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:24:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:23,954 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 20:24:23,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:24:23,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538834166] [2023-12-02 20:24:23,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538834166] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:24:23,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:24:23,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 20:24:23,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2266013] [2023-12-02 20:24:23,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:24:23,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 20:24:23,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:24:23,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 20:24:23,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-12-02 20:24:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:23,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:24:23,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 11 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-12-02 20:24:23,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:23,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 20:24:24,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:24,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:24,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 20:24:24,398 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:24:24,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:24:24,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1140982155, now seen corresponding path program 2 times [2023-12-02 20:24:24,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:24:24,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022565866] [2023-12-02 20:24:24,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:24,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:24:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-02 20:24:26,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:24:26,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022565866] [2023-12-02 20:24:26,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022565866] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:24:26,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882088039] [2023-12-02 20:24:26,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:24:26,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:24:26,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:24:26,046 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:24:26,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 20:24:26,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:24:26,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:24:26,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 176 conjunts are in the unsatisfiable core [2023-12-02 20:24:26,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:24:26,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:24:26,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 14 [2023-12-02 20:24:26,866 INFO L349 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2023-12-02 20:24:26,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 93 [2023-12-02 20:24:26,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:24:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-02 20:24:27,008 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 20:24:27,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882088039] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:24:27,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 20:24:27,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2023-12-02 20:24:27,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699719410] [2023-12-02 20:24:27,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:24:27,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 20:24:27,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:24:27,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 20:24:27,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2023-12-02 20:24:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:27,011 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:24:27,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:24:27,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:27,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:27,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:27,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:27,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:27,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:27,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:27,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2023-12-02 20:24:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:27,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-12-02 20:24:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:27,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 20:24:27,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-02 20:24:27,547 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:24:27,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:24:27,547 INFO L85 PathProgramCache]: Analyzing trace with hash -364257385, now seen corresponding path program 1 times [2023-12-02 20:24:27,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:24:27,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362541065] [2023-12-02 20:24:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:27,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:24:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 20:24:28,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:24:28,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362541065] [2023-12-02 20:24:28,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362541065] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:24:28,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205482084] [2023-12-02 20:24:28,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:28,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:24:28,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:24:28,548 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:24:28,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 20:24:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:28,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 20:24:28,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:24:28,985 INFO L349 Elim1Store]: treesize reduction 42, result has 17.6 percent of original size [2023-12-02 20:24:28,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 51 [2023-12-02 20:24:29,105 INFO L349 Elim1Store]: treesize reduction 20, result has 13.0 percent of original size [2023-12-02 20:24:29,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 26 [2023-12-02 20:24:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 20:24:29,148 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:24:29,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 67 treesize of output 55 [2023-12-02 20:24:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 20:24:29,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205482084] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:24:29,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:24:29,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 9] total 23 [2023-12-02 20:24:29,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697053023] [2023-12-02 20:24:29,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:24:29,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 20:24:29,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:24:29,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 20:24:29,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2023-12-02 20:24:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:29,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:24:29,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.434782608695652) internal successors, (171), 23 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:24:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:29,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-12-02 20:24:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-12-02 20:24:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-12-02 20:24:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:29,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:35,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:24:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:24:35,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 20:24:36,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 20:24:36,155 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:24:36,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:24:36,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1587474015, now seen corresponding path program 1 times [2023-12-02 20:24:36,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:24:36,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606929317] [2023-12-02 20:24:36,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:36,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:24:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 20:24:37,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:24:37,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606929317] [2023-12-02 20:24:37,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606929317] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:24:37,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748121282] [2023-12-02 20:24:37,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:24:37,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:24:37,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:24:37,333 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:24:37,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 20:24:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:24:37,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 101 conjunts are in the unsatisfiable core [2023-12-02 20:24:37,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:24:37,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:24:37,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:24:37,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 20:24:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:24:37,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 20:24:38,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 20:24:38,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:24:38,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 20:24:38,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:24:38,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-02 20:24:38,333 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2023-12-02 20:24:38,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 24 [2023-12-02 20:24:38,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:24:38,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 24 [2023-12-02 20:24:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:24:38,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:24:42,893 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ |c_~#stack~0.offset| 24)) (.cse2 (+ |c_~#stack~0.offset| 28)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base|))) (and (forall ((v_ArrVal_1048 (Array Int Int)) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store .cse8 |c_ULTIMATE.start_atomic_store_~obj#1.offset| |ULTIMATE.start_atomic_store_~v#1|)))) (or (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int))) (let ((.cse5 (store .cse7 |c_~#threads~0.base| v_ArrVal_1049))) (let ((.cse6 (select .cse5 |c_~#stack~0.base|))) (let ((.cse0 (select .cse6 .cse4))) (or (< (+ (* .cse0 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|) (forall ((v_ArrVal_1051 Int)) (let ((.cse1 (store .cse6 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (or (< 0 (+ (select .cse1 .cse2) 2147483648)) (forall ((|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse3 (select (select (store .cse5 |c_~#stack~0.base| .cse1) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= .cse3 (select .cse1 .cse4))) (not (= .cse0 .cse3))))))))))))) (< (select (select (store .cse7 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse2) 2)))) (forall ((v_ArrVal_1048 (Array Int Int)) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store .cse8 |c_ULTIMATE.start_atomic_store_~obj#1.offset| |ULTIMATE.start_atomic_store_~v#1|)))) (or (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int))) (let ((.cse13 (store .cse15 |c_~#threads~0.base| v_ArrVal_1049))) (let ((.cse14 (select .cse13 |c_~#stack~0.base|))) (let ((.cse9 (select .cse14 .cse4))) (or (< (+ (* .cse9 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|) (forall ((v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse11 (store .cse14 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse12 (store .cse13 |c_~#stack~0.base| .cse11))) (let ((.cse10 (select (select .cse12 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (= .cse10 (select .cse11 .cse4)) (forall ((v_DerPreprocessor_10 (Array Int Int))) (< 0 (+ (select (select (store .cse12 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse2) 2147483648))) (not (= .cse9 .cse10)))))))))))) (< (select (select (store .cse15 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse2) 2)))))) is different from false [2023-12-02 20:24:42,985 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_~#stack~0.offset| 28)) (.cse5 (+ |c_~#stack~0.offset| 24)) (.cse7 (select |c_#memory_int| |c_~#stack~0.base|)) (.cse8 (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|))) (and (forall ((v_ArrVal_1048 (Array Int Int)) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse0 (store |c_#memory_int| |c_~#stack~0.base| (store .cse7 .cse8 |ULTIMATE.start_atomic_store_~v#1|)))) (or (< (select (select (store .cse0 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse1) 2) (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int))) (let ((.cse6 (select (store .cse0 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse2 (select .cse6 .cse5))) (or (forall ((v_ArrVal_1051 Int)) (let ((.cse4 (store .cse6 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (or (forall ((|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse3 (select (select (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse4) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= .cse2 .cse3)) (not (= .cse3 (select .cse4 .cse5)))))) (< 0 (+ (select .cse4 .cse1) 2147483648))))) (< (+ (* .cse2 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))))) (forall ((v_ArrVal_1048 (Array Int Int)) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse9 (store |c_#memory_int| |c_~#stack~0.base| (store .cse7 .cse8 |ULTIMATE.start_atomic_store_~v#1|)))) (or (< (select (select (store .cse9 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse1) 2) (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int))) (let ((.cse14 (select (store .cse9 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse10 (select .cse14 .cse5))) (or (forall ((v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse13 (store .cse14 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse12 (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse13))) (let ((.cse11 (select (select .cse12 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= .cse10 .cse11)) (forall ((v_DerPreprocessor_10 (Array Int Int))) (< 0 (+ (select (select (store .cse12 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse1) 2147483648))) (= .cse11 (select .cse13 .cse5))))))) (< (+ (* .cse10 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))))))) is different from false [2023-12-02 20:25:04,520 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (+ 12 |c_~#stack~0.offset| (* 8 |c_ULTIMATE.start_Init_#t~post40#1|))) (.cse4 (+ |c_~#stack~0.offset| 28)) (.cse1 (+ |c_~#stack~0.offset| 24)) (.cse9 (select |c_#memory_int| |c_~#stack~0.base|)) (.cse10 (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|))) (and (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_DerPreprocessor_10 (Array Int Int)) (v_subst_9 Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse7 (store |c_#memory_int| |c_~#stack~0.base| (store (store .cse9 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| |ULTIMATE.start_atomic_store_~v#1|) .cse10 v_subst_9)))) (let ((.cse8 (select (store .cse7 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse0 (store .cse8 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse3 (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse0))) (let ((.cse2 (select (select .cse3 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0)) (.cse6 (select .cse8 .cse1))) (or (= (select .cse0 .cse1) .cse2) (< 0 (+ (select (select (store .cse3 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse4) 2147483648)) (< .cse5 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (not (= .cse6 .cse2)) (< (select (select (store .cse7 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse4) 2) (< (+ (* .cse6 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))))) (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (v_subst_10 Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse14 (store |c_#memory_int| |c_~#stack~0.base| (store (store .cse9 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| |ULTIMATE.start_atomic_store_~v#1|) .cse10 v_subst_10)))) (let ((.cse15 (select (store .cse14 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse13 (store .cse15 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse12 (select (select (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse13) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0)) (.cse11 (select .cse15 .cse1))) (or (not (= .cse11 .cse12)) (< .cse5 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (not (= (select .cse13 .cse1) .cse12)) (< (select (select (store .cse14 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse4) 2) (< 0 (+ (select .cse13 .cse4) 2147483648)) (< (+ (* 8 .cse11) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|))))))))) is different from false [2023-12-02 20:25:04,735 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 12 |c_~#stack~0.offset| (* |c_ULTIMATE.start_Init_~i~0#1| 8))) (.cse6 (+ |c_~#stack~0.offset| 28)) (.cse4 (+ |c_~#stack~0.offset| 24)) (.cse8 (select |c_#memory_int| |c_~#stack~0.base|)) (.cse9 (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|))) (and (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (v_subst_10 Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse5 (store |c_#memory_int| |c_~#stack~0.base| (store (store .cse8 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| |ULTIMATE.start_atomic_store_~v#1|) .cse9 v_subst_10)))) (let ((.cse7 (select (store .cse5 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse3 (store .cse7 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse1 (select (select (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse3) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0)) (.cse0 (select .cse7 .cse4))) (or (not (= .cse0 .cse1)) (< .cse2 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (not (= (select .cse3 .cse4) .cse1)) (< (select (select (store .cse5 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse6) 2) (< 0 (+ (select .cse3 .cse6) 2147483648)) (< (+ (* 8 .cse0) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|))))))) (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_DerPreprocessor_10 (Array Int Int)) (v_subst_9 Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse14 (store |c_#memory_int| |c_~#stack~0.base| (store (store .cse8 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| |ULTIMATE.start_atomic_store_~v#1|) .cse9 v_subst_9)))) (let ((.cse15 (select (store .cse14 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse10 (store .cse15 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse12 (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse10))) (let ((.cse11 (select (select .cse12 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0)) (.cse13 (select .cse15 .cse4))) (or (= (select .cse10 .cse4) .cse11) (< 0 (+ (select (select (store .cse12 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse6) 2147483648)) (< .cse2 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (not (= .cse13 .cse11)) (< (select (select (store .cse14 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse6) 2) (< (+ (* .cse13 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))))))) is different from false [2023-12-02 20:25:04,867 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 12 |c_~#stack~0.offset| (* |c_ULTIMATE.start_Init_~i~0#1| 8))) (.cse5 (+ |c_~#stack~0.offset| 28)) (.cse3 (+ |c_~#stack~0.offset| 24)) (.cse10 (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|)) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base|))) (and (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_DerPreprocessor_10 (Array Int Int)) (v_subst_9 Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (v_subst_11 Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store .cse11 |c_ULTIMATE.start_atomic_store_~obj#1.offset| |ULTIMATE.start_atomic_store_~v#1|)))) (let ((.cse4 (store .cse9 |c_~#stack~0.base| (store (store (select .cse9 |c_~#stack~0.base|) |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| v_subst_11) .cse10 v_subst_9)))) (let ((.cse8 (select (store .cse4 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse2 (store .cse8 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse6 (store (store .cse9 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse2))) (let ((.cse1 (select (select .cse6 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0)) (.cse7 (select .cse8 .cse3))) (or (< .cse0 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (= .cse1 (select .cse2 .cse3)) (< (select (select (store .cse4 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse5) 2) (< 0 (+ (select (select (store .cse6 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse5) 2147483648)) (< (+ (* 8 .cse7) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|) (not (= .cse1 .cse7)))))))))) (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_subst_12 Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (v_subst_10 Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store .cse11 |c_ULTIMATE.start_atomic_store_~obj#1.offset| |ULTIMATE.start_atomic_store_~v#1|)))) (let ((.cse15 (store .cse16 |c_~#stack~0.base| (store (store (select .cse16 |c_~#stack~0.base|) |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| v_subst_12) .cse10 v_subst_10)))) (let ((.cse17 (select (store .cse15 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse14 (store .cse17 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse13 (select .cse17 .cse3)) (.cse12 (select (select (store (store .cse16 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse14) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= .cse12 .cse13)) (< .cse0 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (< (+ |c_~#stack~0.offset| 4 (* .cse13 8)) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|) (< 0 (+ (select .cse14 .cse5) 2147483648)) (< (select (select (store .cse15 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse5) 2) (not (= (select .cse14 .cse3) .cse12))))))))))) is different from false [2023-12-02 20:25:38,914 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 12 |c_~#stack~0.offset|)) (.cse5 (+ |c_~#stack~0.offset| 4)) (.cse1 (+ |c_~#stack~0.offset| 28)) (.cse7 (+ |c_~#stack~0.offset| 24)) (.cse10 (select |c_#memory_int| |c_~#stack~0.base|)) (.cse11 (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|))) (and (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_DerPreprocessor_10 (Array Int Int)) (v_subst_9 Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (v_subst_11 Int) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_106| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse8 (store |c_#memory_int| |c_~#stack~0.base| (store (store (store .cse10 |v_ULTIMATE.start_atomic_store_~obj#1.offset_106| |ULTIMATE.start_atomic_store_~v#1|) |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| v_subst_11) .cse11 v_subst_9)))) (let ((.cse9 (select (store .cse8 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse6 (store .cse9 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse0 (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse6))) (let ((.cse3 (select .cse9 .cse7)) (.cse4 (select (select .cse0 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (< 0 (+ (select (select (store .cse0 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse1) 2147483648)) (< .cse2 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (< (+ (* 8 .cse3) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|) (not (= .cse4 .cse3)) (< .cse5 |v_ULTIMATE.start_atomic_store_~obj#1.offset_106|) (= .cse4 (select .cse6 .cse7)) (< (select (select (store .cse8 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse1) 2)))))))) (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_subst_12 Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (v_subst_10 Int) (|v_ULTIMATE.start_atomic_store_~obj#1.offset_106| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse15 (store |c_#memory_int| |c_~#stack~0.base| (store (store (store .cse10 |v_ULTIMATE.start_atomic_store_~obj#1.offset_106| |ULTIMATE.start_atomic_store_~v#1|) |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| v_subst_12) .cse11 v_subst_10)))) (let ((.cse16 (select (store .cse15 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse12 (store .cse16 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse14 (select .cse16 .cse7)) (.cse13 (select (select (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse12) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= (select .cse12 .cse7) .cse13)) (< .cse2 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (< (+ |c_~#stack~0.offset| (* .cse14 8) 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|) (not (= .cse14 .cse13)) (< .cse5 |v_ULTIMATE.start_atomic_store_~obj#1.offset_106|) (< (select (select (store .cse15 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse1) 2) (< 0 (+ (select .cse12 .cse1) 2147483648)))))))))) is different from false [2023-12-02 20:25:39,097 INFO L349 Elim1Store]: treesize reduction 148, result has 41.7 percent of original size [2023-12-02 20:25:39,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 373 treesize of output 231 [2023-12-02 20:25:39,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:25:39,138 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 898 treesize of output 873 [2023-12-02 20:25:39,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:25:39,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 541 treesize of output 483 [2023-12-02 20:25:39,986 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 6 treesize of output 4 [2023-12-02 20:25:40,023 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:25:40,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 94 [2023-12-02 20:25:40,396 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 7 treesize of output 3 [2023-12-02 20:25:40,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:25:40,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:25:40,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:25:40,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:25:40,420 INFO L349 Elim1Store]: treesize reduction 129, result has 0.8 percent of original size [2023-12-02 20:25:40,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 391 treesize of output 1 [2023-12-02 20:25:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 5 times theorem prover too weak. 0 trivial. 10 not checked. [2023-12-02 20:25:44,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748121282] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:25:44,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:25:44,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 20] total 53 [2023-12-02 20:25:44,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569546262] [2023-12-02 20:25:44,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:25:44,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-12-02 20:25:44,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:25:44,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-12-02 20:25:44,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=2058, Unknown=57, NotChecked=594, Total=2970 [2023-12-02 20:25:44,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:44,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:25:44,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 2.7222222222222223) internal successors, (147), 54 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:25:44,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:44,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:25:44,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-12-02 20:25:44,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:25:51,428 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse23 (< |c_threadThread1of1ForFork0_Pop_#t~ret41#1| 2)) (.cse12 (+ 12 |c_~#stack~0.offset| (* 8 |c_ULTIMATE.start_Init_#t~post40#1|))) (.cse1 (+ |c_~#stack~0.offset| 28)) (.cse5 (+ |c_~#stack~0.offset| 24)) (.cse7 (select |c_#memory_int| |c_~#stack~0.base|)) (.cse8 (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|))) (and (forall ((v_ArrVal_1048 (Array Int Int)) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse0 (store |c_#memory_int| |c_~#stack~0.base| (store .cse7 .cse8 |ULTIMATE.start_atomic_store_~v#1|)))) (or (< (select (select (store .cse0 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse1) 2) (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int))) (let ((.cse6 (select (store .cse0 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse2 (select .cse6 .cse5))) (or (forall ((v_ArrVal_1051 Int)) (let ((.cse4 (store .cse6 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (or (forall ((|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse3 (select (select (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse4) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= .cse2 .cse3)) (not (= .cse3 (select .cse4 .cse5)))))) (< 0 (+ (select .cse4 .cse1) 2147483648))))) (< (+ (* .cse2 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))))) (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_DerPreprocessor_10 (Array Int Int)) (v_subst_9 Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse14 (store |c_#memory_int| |c_~#stack~0.base| (store (store .cse7 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| |ULTIMATE.start_atomic_store_~v#1|) .cse8 v_subst_9)))) (let ((.cse15 (select (store .cse14 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse9 (store .cse15 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse11 (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse9))) (let ((.cse10 (select (select .cse11 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0)) (.cse13 (select .cse15 .cse5))) (or (= (select .cse9 .cse5) .cse10) (< 0 (+ (select (select (store .cse11 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse1) 2147483648)) (< .cse12 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (not (= .cse13 .cse10)) (< (select (select (store .cse14 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse1) 2) (< (+ (* .cse13 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))))) (<= |c_~#threads~0.base| 3) (= |c_ULTIMATE.start_Init_~pushCount#1| 3) (or (let ((.cse18 (select .cse7 .cse5))) (let ((.cse19 (+ (* 8 .cse18) |c_~#stack~0.offset| 4))) (and (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int)) (or (forall ((v_ArrVal_1051 Int)) (let ((.cse16 (store .cse7 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (or (< 0 (+ (select .cse16 .cse1) 2147483648)) (forall ((|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse17 (select (select (store |c_#memory_int| |c_~#stack~0.base| .cse16) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= .cse17 (select .cse16 .cse5))) (not (= .cse17 .cse18)))))))) (< .cse19 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|))) (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int)) (or (forall ((v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse22 (store .cse7 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse21 (store |c_#memory_int| |c_~#stack~0.base| .cse22))) (let ((.cse20 (select (select .cse21 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= .cse20 .cse18)) (forall ((v_DerPreprocessor_10 (Array Int Int))) (< 0 (+ (select (select (store .cse21 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse1) 2147483648))) (= .cse20 (select .cse22 .cse5))))))) (< .cse19 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))) .cse23) (forall ((v_ArrVal_1048 (Array Int Int)) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse24 (store |c_#memory_int| |c_~#stack~0.base| (store .cse7 .cse8 |ULTIMATE.start_atomic_store_~v#1|)))) (or (< (select (select (store .cse24 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse1) 2) (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int))) (let ((.cse29 (select (store .cse24 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse25 (select .cse29 .cse5))) (or (forall ((v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse28 (store .cse29 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse27 (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse28))) (let ((.cse26 (select (select .cse27 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= .cse25 .cse26)) (forall ((v_DerPreprocessor_10 (Array Int Int))) (< 0 (+ (select (select (store .cse27 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse1) 2147483648))) (= .cse26 (select .cse28 .cse5))))))) (< (+ (* .cse25 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))))) (= (select .cse7 .cse1) 3) (not (= |c_~#threads~0.base| |c_~#stack~0.base|)) (= |c_~#stack~0.base| 4) (<= (select (select |c_#memory_int| 4) 24) 0) (or .cse23 (and (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int))) (let ((.cse33 (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049))) (let ((.cse34 (select .cse33 |c_~#stack~0.base|))) (let ((.cse30 (select .cse34 .cse5))) (or (forall ((v_ArrVal_1051 Int)) (let ((.cse32 (store .cse34 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (or (forall ((|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse31 (select (select (store .cse33 |c_~#stack~0.base| .cse32) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (not (= .cse30 .cse31)) (not (= .cse31 (select .cse32 .cse5)))))) (< 0 (+ (select .cse32 .cse1) 2147483648))))) (< (+ (* .cse30 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))) (forall ((|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int))) (let ((.cse39 (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049))) (let ((.cse40 (select .cse39 |c_~#stack~0.base|))) (let ((.cse37 (select .cse40 .cse5))) (or (forall ((v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int)) (let ((.cse36 (store .cse40 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse38 (store .cse39 |c_~#stack~0.base| .cse36))) (let ((.cse35 (select (select .cse38 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0))) (or (= .cse35 (select .cse36 .cse5)) (not (= .cse37 .cse35)) (forall ((v_DerPreprocessor_10 (Array Int Int))) (< 0 (+ (select (select (store .cse38 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| v_DerPreprocessor_10) |c_~#stack~0.base|) .cse1) 2147483648)))))))) (< (+ (* .cse37 8) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|)))))))) (= |c_~#stack~0.offset| 0) (<= |c_ULTIMATE.start_Init_~i~0#1| 1) (forall ((|v_ULTIMATE.start_atomic_store_~obj#1.offset_104| Int) (v_ArrVal_1051 Int) (|v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| Int) (v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37| Int) (v_subst_10 Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse44 (store |c_#memory_int| |c_~#stack~0.base| (store (store .cse7 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104| |ULTIMATE.start_atomic_store_~v#1|) .cse8 v_subst_10)))) (let ((.cse45 (select (store .cse44 |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base|))) (let ((.cse43 (store .cse45 |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37| v_ArrVal_1051))) (let ((.cse42 (select (select (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1049) |c_~#stack~0.base| .cse43) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_37|) 0)) (.cse41 (select .cse45 .cse5))) (or (not (= .cse41 .cse42)) (< .cse12 |v_ULTIMATE.start_atomic_store_~obj#1.offset_104|) (not (= (select .cse43 .cse5) .cse42)) (< (select (select (store .cse44 |c_~#threads~0.base| v_ArrVal_1048) |c_~#stack~0.base|) .cse1) 2) (< 0 (+ (select .cse43 .cse1) 2147483648)) (< (+ (* 8 .cse41) |c_~#stack~0.offset| 4) |v_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset_37|))))))))) is different from false [2023-12-02 20:25:58,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:26:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:26:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:26:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:26:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:26:03,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 20:26:03,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-02 20:26:03,748 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:26:03,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:26:03,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1054116369, now seen corresponding path program 1 times [2023-12-02 20:26:03,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:26:03,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614492782] [2023-12-02 20:26:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:26:03,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:26:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:26:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:26:05,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:26:05,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614492782] [2023-12-02 20:26:05,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614492782] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:26:05,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454237666] [2023-12-02 20:26:05,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:26:05,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:26:05,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:26:05,070 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:26:05,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 20:26:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:26:05,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 176 conjunts are in the unsatisfiable core [2023-12-02 20:26:05,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:26:05,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-02 20:26:05,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-12-02 20:26:05,853 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-02 20:26:06,039 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-02 20:26:06,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:06,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-02 20:26:06,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:06,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-02 20:26:06,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-12-02 20:26:06,516 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:26:06,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2023-12-02 20:26:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:26:06,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:26:07,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:26:07,056 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 83 treesize of output 81 [2023-12-02 20:26:07,073 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 10 treesize of output 6 [2023-12-02 20:26:07,476 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1154 Int) (v_ArrVal_1152 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42| Int)) (let ((.cse1 (let ((.cse2 (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1152))) (store .cse2 |c_threadThread1of1ForFork0_atomic_exchange_~obj#1.base| (store (select .cse2 |c_threadThread1of1ForFork0_atomic_exchange_~obj#1.base|) |c_threadThread1of1ForFork0_atomic_exchange_~obj#1.offset| v_ArrVal_1154))))) (let ((.cse0 (select (select .cse1 |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42|) 0))) (or (= .cse0 (select (select .cse1 |c_~#stack~0.base|) (+ |c_~#stack~0.offset| 24))) (not (= |c_threadThread1of1ForFork0_Pop_~head1~0#1| .cse0)))))) is different from false [2023-12-02 20:26:07,680 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1154 Int) (v_ArrVal_1152 (Array Int Int)) (v_ArrVal_1151 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42| Int)) (let ((.cse2 (+ |c_~#stack~0.offset| 24))) (let ((.cse4 (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1152)) (.cse3 (select (select (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1151) |c_~#stack~0.base|) .cse2))) (let ((.cse1 (store (select .cse4 |c_~#stack~0.base|) (+ |c_~#stack~0.offset| 4 (* 8 .cse3)) v_ArrVal_1154))) (let ((.cse0 (select (select (store .cse4 |c_~#stack~0.base| .cse1) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42|) 0))) (or (= .cse0 (select .cse1 .cse2)) (not (= .cse0 .cse3)))))))) is different from false [2023-12-02 20:26:07,709 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1154 Int) (v_ArrVal_1152 (Array Int Int)) (v_ArrVal_1151 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse2 (+ |c_~#stack~0.offset| 24)) (.cse5 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base|) |c_ULTIMATE.start_atomic_store_~obj#1.offset| |ULTIMATE.start_atomic_store_~v#1|)))) (let ((.cse4 (store .cse5 |c_~#threads~0.base| v_ArrVal_1152)) (.cse3 (select (select (store .cse5 |c_~#threads~0.base| v_ArrVal_1151) |c_~#stack~0.base|) .cse2))) (let ((.cse1 (store (select .cse4 |c_~#stack~0.base|) (+ (* .cse3 8) |c_~#stack~0.offset| 4) v_ArrVal_1154))) (let ((.cse0 (select (select (store .cse4 |c_~#stack~0.base| .cse1) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42|) 0))) (or (= .cse0 (select .cse1 .cse2)) (not (= .cse3 .cse0)))))))) is different from false [2023-12-02 20:26:08,014 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_atomic_store_~v#1_114| Int) (v_ArrVal_1154 Int) (v_ArrVal_1152 (Array Int Int)) (v_ArrVal_1151 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base|) |c_ULTIMATE.start_atomic_store_~obj#1.offset| |ULTIMATE.start_atomic_store_~v#1|)))) (let ((.cse5 (store .cse4 |c_~#stack~0.base| (store (select .cse4 |c_~#stack~0.base|) (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|) |v_ULTIMATE.start_atomic_store_~v#1_114|))) (.cse2 (+ |c_~#stack~0.offset| 24))) (let ((.cse3 (select (select (store .cse5 |c_~#threads~0.base| v_ArrVal_1151) |c_~#stack~0.base|) .cse2))) (let ((.cse1 (store (select (store .cse5 |c_~#threads~0.base| v_ArrVal_1152) |c_~#stack~0.base|) (+ |c_~#stack~0.offset| 4 (* 8 .cse3)) v_ArrVal_1154))) (let ((.cse0 (select (select (store (store .cse4 |c_~#threads~0.base| v_ArrVal_1152) |c_~#stack~0.base| .cse1) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42|) 0))) (or (= .cse0 (select .cse1 .cse2)) (not (= .cse0 .cse3))))))))) is different from false [2023-12-02 20:26:08,035 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_atomic_store_~v#1_114| Int) (v_ArrVal_1154 Int) (v_ArrVal_1152 (Array Int Int)) (v_ArrVal_1151 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse4 (store |c_#memory_int| |c_~#stack~0.base| (store (store (select |c_#memory_int| |c_~#stack~0.base|) (+ |c_~#stack~0.offset| 4 (* |c_ULTIMATE.start_Init_~i~0#1| 8)) |ULTIMATE.start_atomic_store_~v#1|) (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|) |v_ULTIMATE.start_atomic_store_~v#1_114|))) (.cse3 (+ |c_~#stack~0.offset| 24))) (let ((.cse0 (select (select (store .cse4 |c_~#threads~0.base| v_ArrVal_1151) |c_~#stack~0.base|) .cse3))) (let ((.cse2 (store (select (store .cse4 |c_~#threads~0.base| v_ArrVal_1152) |c_~#stack~0.base|) (+ (* .cse0 8) |c_~#stack~0.offset| 4) v_ArrVal_1154))) (let ((.cse1 (select (select (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1152) |c_~#stack~0.base| .cse2) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42|) 0))) (or (not (= .cse0 .cse1)) (= (select .cse2 .cse3) .cse1))))))) is different from false [2023-12-02 20:26:08,106 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_atomic_store_~v#1_114| Int) (v_ArrVal_1154 Int) (v_ArrVal_1152 (Array Int Int)) (v_ArrVal_1151 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42| Int) (|ULTIMATE.start_atomic_store_~v#1| Int)) (let ((.cse4 (store |c_#memory_int| |c_~#stack~0.base| (store (store (select |c_#memory_int| |c_~#stack~0.base|) (+ 12 |c_~#stack~0.offset| (* 8 |c_ULTIMATE.start_Init_#t~post40#1|)) |ULTIMATE.start_atomic_store_~v#1|) (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|) |v_ULTIMATE.start_atomic_store_~v#1_114|))) (.cse1 (+ |c_~#stack~0.offset| 24))) (let ((.cse3 (select (select (store .cse4 |c_~#threads~0.base| v_ArrVal_1151) |c_~#stack~0.base|) .cse1))) (let ((.cse0 (store (select (store .cse4 |c_~#threads~0.base| v_ArrVal_1152) |c_~#stack~0.base|) (+ |c_~#stack~0.offset| 4 (* .cse3 8)) v_ArrVal_1154))) (let ((.cse2 (select (select (store (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1152) |c_~#stack~0.base| .cse0) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42|) 0))) (or (= (select .cse0 .cse1) .cse2) (not (= .cse3 .cse2)))))))) is different from false [2023-12-02 20:26:10,452 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_atomic_store_~v#1_117| Int) (|v_ULTIMATE.start_atomic_store_~v#1_114| Int) (v_ArrVal_1154 Int) (v_ArrVal_1152 (Array Int Int)) (v_ArrVal_1151 (Array Int Int)) (|v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42| Int)) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_atomic_store_~obj#1.base|) |c_ULTIMATE.start_atomic_store_~obj#1.offset| |c_ULTIMATE.start_atomic_store_~v#1|)))) (let ((.cse5 (store .cse4 |c_~#stack~0.base| (store (store (select .cse4 |c_~#stack~0.base|) (+ 12 |c_~#stack~0.offset| (* |c_ULTIMATE.start_Init_~i~0#1| 8)) |v_ULTIMATE.start_atomic_store_~v#1_117|) (+ (* |c_ULTIMATE.start_Init_~pushCount#1| 8) (- 4) |c_~#stack~0.offset|) |v_ULTIMATE.start_atomic_store_~v#1_114|))) (.cse1 (+ |c_~#stack~0.offset| 24))) (let ((.cse3 (select (select (store .cse5 |c_~#threads~0.base| v_ArrVal_1151) |c_~#stack~0.base|) .cse1))) (let ((.cse0 (store (select (store .cse5 |c_~#threads~0.base| v_ArrVal_1152) |c_~#stack~0.base|) (+ |c_~#stack~0.offset| 4 (* .cse3 8)) v_ArrVal_1154))) (let ((.cse2 (select (select (store (store .cse4 |c_~#threads~0.base| v_ArrVal_1152) |c_~#stack~0.base| .cse0) |v_threadThread1of1ForFork0_Pop_~#head2~0#1.base_42|) 0))) (or (= (select .cse0 .cse1) .cse2) (not (= .cse3 .cse2))))))))) is different from false [2023-12-02 20:26:13,329 INFO L349 Elim1Store]: treesize reduction 124, result has 44.1 percent of original size [2023-12-02 20:26:13,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 396 treesize of output 218 [2023-12-02 20:26:13,368 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:26:13,368 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 1340 treesize of output 1307 [2023-12-02 20:26:13,393 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 335 treesize of output 287 [2023-12-02 20:26:13,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:26:13,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 466 treesize of output 436 [2023-12-02 20:26:13,460 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 6 treesize of output 4 [2023-12-02 20:26:13,678 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:26:13,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 50 [2023-12-02 20:26:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 4 times theorem prover too weak. 0 trivial. 12 not checked. [2023-12-02 20:26:13,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454237666] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:26:13,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:26:13,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 25] total 60 [2023-12-02 20:26:13,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940410264] [2023-12-02 20:26:13,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:26:13,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-12-02 20:26:13,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:26:13,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-12-02 20:26:13,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=2426, Unknown=65, NotChecked=770, Total=3660 [2023-12-02 20:26:13,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:13,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:26:13,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 2.8688524590163933) internal successors, (175), 60 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:26:13,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2023-12-02 20:26:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:26:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-12-02 20:26:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:26:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-12-02 20:26:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-12-02 20:26:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:26:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:26:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 20:26:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:26:18,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 20:26:18,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-02 20:26:18,850 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 20:26:18,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:26:18,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1703170912, now seen corresponding path program 2 times [2023-12-02 20:26:18,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:26:18,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706631801] [2023-12-02 20:26:18,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:26:18,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:26:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:26:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 20:26:19,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:26:19,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706631801] [2023-12-02 20:26:19,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706631801] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 20:26:19,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795632862] [2023-12-02 20:26:19,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 20:26:19,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 20:26:19,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:26:19,387 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 20:26:19,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec7c698-39ad-49bc-a256-c04aeb08a2da/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 20:26:19,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 20:26:19,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 20:26:19,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 100 conjunts are in the unsatisfiable core [2023-12-02 20:26:19,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:26:19,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 20:26:19,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-02 20:26:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:19,984 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-02 20:26:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:20,261 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-02 20:26:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:20,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:20,455 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-12-02 20:26:20,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:20,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-02 20:26:20,683 INFO L349 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2023-12-02 20:26:20,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 28 [2023-12-02 20:26:20,716 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-12-02 20:26:20,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-12-02 20:26:20,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:26:20,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-12-02 20:26:20,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 80 [2023-12-02 20:26:20,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 21 [2023-12-02 20:26:20,863 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 10 treesize of output 8 [2023-12-02 20:26:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:26:21,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 20:26:21,314 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_~#stack~0.offset| 28))) (and (forall ((v_ArrVal_1214 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1214))) (let ((.cse1 (select .cse0 |c_threadThread1of1ForFork0_atomic_compare_and_exchange_~obj#1.base|))) (or (forall ((v_DerPreprocessor_18 Int)) (< (select (select (store .cse0 |c_threadThread1of1ForFork0_atomic_compare_and_exchange_~obj#1.base| (store .cse1 |c_threadThread1of1ForFork0_atomic_compare_and_exchange_~obj#1.offset| v_DerPreprocessor_18)) |c_~#stack~0.base|) .cse2) 2147483649)) (forall ((|threadThread1of1ForFork0_atomic_compare_and_exchange_~expected#1.offset| Int)) (not (= (select (select .cse0 |c_threadThread1of1ForFork0_atomic_compare_and_exchange_~expected#1.base|) |threadThread1of1ForFork0_atomic_compare_and_exchange_~expected#1.offset|) (select .cse1 |c_threadThread1of1ForFork0_atomic_compare_and_exchange_~obj#1.offset|)))))))) (forall ((v_ArrVal_1214 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_~#threads~0.base| v_ArrVal_1214))) (or (forall ((|threadThread1of1ForFork0_atomic_compare_and_exchange_~expected#1.offset| Int)) (= (select (select .cse3 |c_threadThread1of1ForFork0_atomic_compare_and_exchange_~expected#1.base|) |threadThread1of1ForFork0_atomic_compare_and_exchange_~expected#1.offset|) (select (select .cse3 |c_threadThread1of1ForFork0_atomic_compare_and_exchange_~obj#1.base|) |c_threadThread1of1ForFork0_atomic_compare_and_exchange_~obj#1.offset|))) (forall ((v_DerPreprocessor_19 (Array Int Int))) (< (select (select (store .cse3 |c_threadThread1of1ForFork0_atomic_compare_and_exchange_~expected#1.base| v_DerPreprocessor_19) |c_~#stack~0.base|) .cse2) 2147483649))))))) is different from false [2023-12-02 20:27:48,633 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:27:48,637 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:27:48,884 INFO L349 Elim1Store]: treesize reduction 172, result has 39.2 percent of original size [2023-12-02 20:27:48,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 247 treesize of output 207 [2023-12-02 20:27:48,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:48,930 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 515 treesize of output 506 [2023-12-02 20:27:48,985 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:48,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 196 treesize of output 200 [2023-12-02 20:27:49,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:49,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 177 [2023-12-02 20:27:49,976 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 6 treesize of output 4 [2023-12-02 20:27:50,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:50,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 200 treesize of output 206 [2023-12-02 20:27:51,766 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:27:51,770 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 20:27:51,985 INFO L349 Elim1Store]: treesize reduction 172, result has 39.2 percent of original size [2023-12-02 20:27:51,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 249 treesize of output 209 [2023-12-02 20:27:52,035 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-12-02 20:27:52,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 272 treesize of output 250 [2023-12-02 20:27:52,111 INFO L349 Elim1Store]: treesize reduction 14, result has 61.1 percent of original size [2023-12-02 20:27:52,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 85 [2023-12-02 20:27:52,165 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:52,166 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 797 treesize of output 780 [2023-12-02 20:27:52,249 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:52,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 212 treesize of output 222 [2023-12-02 20:27:52,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:52,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 179 treesize of output 171 [2023-12-02 20:27:52,348 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 57 treesize of output 49 [2023-12-02 20:27:52,657 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 6 treesize of output 4 [2023-12-02 20:27:54,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:27:54,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 652 treesize of output 776 [2023-12-02 20:30:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 5 times theorem prover too weak. 0 trivial. 1 not checked. [2023-12-02 20:30:30,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795632862] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 20:30:30,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 20:30:30,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 16, 20] total 44 [2023-12-02 20:30:30,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139374013] [2023-12-02 20:30:30,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 20:30:30,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-12-02 20:30:30,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:30:30,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-12-02 20:30:30,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1559, Unknown=135, NotChecked=86, Total=2070 [2023-12-02 20:30:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:30,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:30:30,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.022222222222222) internal successors, (136), 45 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:30:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:30:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:30:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-12-02 20:30:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:30:36,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-12-02 20:30:43,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]