./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sqm-if.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/sqm-if.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec5a38bdcfa55d3eade09a482c32f3a3863eaa8e13e2a337e00dc10a9c55f830 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:41:56,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:41:56,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:41:56,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:41:56,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:41:56,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:41:56,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:41:56,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:41:56,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:41:56,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:41:56,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:41:56,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:41:56,222 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:41:56,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:41:56,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:41:56,224 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:41:56,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:41:56,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:41:56,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:41:56,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:41:56,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:41:56,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:41:56,229 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:41:56,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:41:56,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:41:56,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:41:56,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:41:56,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:41:56,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:56,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:41:56,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:41:56,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:41:56,235 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:41:56,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:41:56,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:41:56,236 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:41:56,237 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:41:56,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:41:56,238 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:41:56,238 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec5a38bdcfa55d3eade09a482c32f3a3863eaa8e13e2a337e00dc10a9c55f830 [2023-11-06 22:41:56,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:41:56,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:41:56,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:41:56,558 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:41:56,559 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:41:56,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/array-fpi/sqm-if.c [2023-11-06 22:41:59,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:41:59,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:41:59,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/sv-benchmarks/c/array-fpi/sqm-if.c [2023-11-06 22:42:00,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/data/bd5f04244/c5733a5577e54521a87cf4db400d3654/FLAGe3fec75a3 [2023-11-06 22:42:00,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/data/bd5f04244/c5733a5577e54521a87cf4db400d3654 [2023-11-06 22:42:00,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:00,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:00,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:00,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:00,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:00,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b74736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00, skipping insertion in model container [2023-11-06 22:42:00,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,071 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:00,253 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/sv-benchmarks/c/array-fpi/sqm-if.c[589,602] [2023-11-06 22:42:00,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:00,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:00,306 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/sv-benchmarks/c/array-fpi/sqm-if.c[589,602] [2023-11-06 22:42:00,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:00,342 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:00,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00 WrapperNode [2023-11-06 22:42:00,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:00,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:00,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:00,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:00,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,388 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-06 22:42:00,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:00,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:00,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:00,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:00,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:00,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:00,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:00,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:00,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (1/1) ... [2023-11-06 22:42:00,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:00,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:00,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:00,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:00,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:42:00,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:42:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:42:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:42:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:42:00,569 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:00,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:42:00,811 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:42:00,817 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:42:00,817 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:42:00,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:00 BoogieIcfgContainer [2023-11-06 22:42:00,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:42:00,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:42:00,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:42:00,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:42:00,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:42:00" (1/3) ... [2023-11-06 22:42:00,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3f5906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:00, skipping insertion in model container [2023-11-06 22:42:00,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:00" (2/3) ... [2023-11-06 22:42:00,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3f5906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:00, skipping insertion in model container [2023-11-06 22:42:00,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:00" (3/3) ... [2023-11-06 22:42:00,830 INFO L112 eAbstractionObserver]: Analyzing ICFG sqm-if.c [2023-11-06 22:42:00,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:42:00,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:42:00,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:42:00,915 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e650808, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:42:00,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:42:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 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) [2023-11-06 22:42:00,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:42:00,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:00,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:00,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:00,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:00,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1670316217, now seen corresponding path program 1 times [2023-11-06 22:42:00,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:00,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9400002] [2023-11-06 22:42:00,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:01,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:01,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9400002] [2023-11-06 22:42:01,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:42:01,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436468749] [2023-11-06 22:42:01,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:01,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:01,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:42:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:01,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:42:01,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:42:01,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:01,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436468749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:01,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:01,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:01,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691002227] [2023-11-06 22:42:01,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:01,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:42:01,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:01,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:42:01,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:01,293 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:01,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:01,312 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions. [2023-11-06 22:42:01,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:42:01,315 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) Word has length 12 [2023-11-06 22:42:01,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:01,324 INFO L225 Difference]: With dead ends: 42 [2023-11-06 22:42:01,324 INFO L226 Difference]: Without dead ends: 19 [2023-11-06 22:42:01,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:01,331 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:01,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:01,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-06 22:42:01,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-06 22:42:01,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2023-11-06 22:42:01,385 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2023-11-06 22:42:01,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:01,386 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-06 22:42:01,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-06 22:42:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:42:01,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:01,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:01,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:01,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:42:01,593 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:01,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:01,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1000416578, now seen corresponding path program 1 times [2023-11-06 22:42:01,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:01,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825475913] [2023-11-06 22:42:01,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:01,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:01,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:01,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825475913] [2023-11-06 22:42:01,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:42:01,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953296030] [2023-11-06 22:42:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:01,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:01,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:01,665 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:01,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:42:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:01,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:42:01,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:42:01,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:01,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953296030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:01,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:01,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:42:01,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398348572] [2023-11-06 22:42:01,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:01,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:42:01,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:01,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:42:01,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:42:01,835 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:01,917 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2023-11-06 22:42:01,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:42:01,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) Word has length 12 [2023-11-06 22:42:01,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:01,919 INFO L225 Difference]: With dead ends: 42 [2023-11-06 22:42:01,919 INFO L226 Difference]: Without dead ends: 31 [2023-11-06 22:42:01,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:42:01,922 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 28 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:01,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 15 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:42:01,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-06 22:42:01,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 21. [2023-11-06 22:42:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2023-11-06 22:42:01,930 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2023-11-06 22:42:01,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:01,930 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2023-11-06 22:42:01,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-06 22:42:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-06 22:42:01,932 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:01,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:01,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:02,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:02,139 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:02,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1992201947, now seen corresponding path program 1 times [2023-11-06 22:42:02,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:02,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779174630] [2023-11-06 22:42:02,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:02,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:02,174 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:02,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552240766] [2023-11-06 22:42:02,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:02,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:02,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:02,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:02,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:42:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:02,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:42:02,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:02,344 INFO L351 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 [2023-11-06 22:42:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:42:02,430 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:02,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:02,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779174630] [2023-11-06 22:42:02,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:02,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552240766] [2023-11-06 22:42:02,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552240766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:02,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:02,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:42:02,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218165098] [2023-11-06 22:42:02,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:02,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:42:02,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:02,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:42:02,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:42:02,433 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:02,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:02,524 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2023-11-06 22:42:02,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:42:02,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) Word has length 18 [2023-11-06 22:42:02,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:02,526 INFO L225 Difference]: With dead ends: 37 [2023-11-06 22:42:02,526 INFO L226 Difference]: Without dead ends: 35 [2023-11-06 22:42:02,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:42:02,528 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 12 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:02,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 66 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:42:02,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-06 22:42:02,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 26. [2023-11-06 22:42:02,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:02,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2023-11-06 22:42:02,535 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 18 [2023-11-06 22:42:02,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:02,536 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2023-11-06 22:42:02,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:02,536 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-06 22:42:02,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-06 22:42:02,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:02,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:02,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:02,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:02,742 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:02,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:02,743 INFO L85 PathProgramCache]: Analyzing trace with hash -217194585, now seen corresponding path program 1 times [2023-11-06 22:42:02,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:02,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888095430] [2023-11-06 22:42:02,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:02,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:02,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:02,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888095430] [2023-11-06 22:42:02,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:42:02,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753587360] [2023-11-06 22:42:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:02,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:02,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:02,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:02,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:42:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:02,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:42:02,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:42:02,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:02,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753587360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:02,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:02,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:42:02,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583263850] [2023-11-06 22:42:02,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:02,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:42:02,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:02,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:42:02,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:42:02,902 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:02,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:02,962 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2023-11-06 22:42:02,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:42:02,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) Word has length 18 [2023-11-06 22:42:02,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:02,969 INFO L225 Difference]: With dead ends: 55 [2023-11-06 22:42:02,969 INFO L226 Difference]: Without dead ends: 35 [2023-11-06 22:42:02,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:42:02,974 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:02,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:02,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-06 22:42:02,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2023-11-06 22:42:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 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) [2023-11-06 22:42:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2023-11-06 22:42:02,988 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 18 [2023-11-06 22:42:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:02,988 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2023-11-06 22:42:02,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-06 22:42:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 22:42:02,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:02,990 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:03,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:03,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:03,200 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:03,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:03,200 INFO L85 PathProgramCache]: Analyzing trace with hash 259417010, now seen corresponding path program 1 times [2023-11-06 22:42:03,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:03,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018280676] [2023-11-06 22:42:03,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:03,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:03,235 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:03,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173021322] [2023-11-06 22:42:03,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:03,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:03,237 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:03,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:42:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:03,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:42:03,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:42:03,415 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:42:03,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:03,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018280676] [2023-11-06 22:42:03,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:03,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173021322] [2023-11-06 22:42:03,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173021322] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:42:03,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:42:03,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-11-06 22:42:03,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213208130] [2023-11-06 22:42:03,469 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:42:03,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:42:03,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:03,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:42:03,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:42:03,471 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:03,660 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2023-11-06 22:42:03,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:42:03,661 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) Word has length 21 [2023-11-06 22:42:03,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:03,661 INFO L225 Difference]: With dead ends: 70 [2023-11-06 22:42:03,662 INFO L226 Difference]: Without dead ends: 43 [2023-11-06 22:42:03,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:42:03,663 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 29 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:03,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 49 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:42:03,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-06 22:42:03,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 27. [2023-11-06 22:42:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-11-06 22:42:03,670 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 21 [2023-11-06 22:42:03,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:03,670 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-06 22:42:03,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-06 22:42:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 22:42:03,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:03,671 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:03,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:03,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:03,877 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:03,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:03,878 INFO L85 PathProgramCache]: Analyzing trace with hash 939318754, now seen corresponding path program 1 times [2023-11-06 22:42:03,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:03,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961631083] [2023-11-06 22:42:03,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:03,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:03,921 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:03,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1026609480] [2023-11-06 22:42:03,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:03,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:03,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:03,935 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:03,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:42:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:04,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:42:04,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:04,084 INFO L351 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 [2023-11-06 22:42:04,172 INFO L322 Elim1Store]: treesize reduction 33, result has 34.0 percent of original size [2023-11-06 22:42:04,172 INFO L351 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 2 case distinctions, treesize of input 27 treesize of output 39 [2023-11-06 22:42:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:42:04,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:08,528 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:42:08,529 INFO L351 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 122 treesize of output 1 [2023-11-06 22:42:08,544 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:42:08,545 INFO L351 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 120 treesize of output 118 [2023-11-06 22:42:08,569 INFO L351 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 43 treesize of output 34 [2023-11-06 22:42:08,612 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:42:08,613 INFO L351 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 141 treesize of output 113 [2023-11-06 22:42:08,665 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:42:08,665 INFO L351 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 115 treesize of output 1 [2023-11-06 22:42:08,676 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:42:08,676 INFO L351 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 113 treesize of output 1 [2023-11-06 22:42:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:42:08,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:08,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961631083] [2023-11-06 22:42:08,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:08,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026609480] [2023-11-06 22:42:08,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026609480] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:42:08,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:42:08,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2023-11-06 22:42:08,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041878947] [2023-11-06 22:42:08,738 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:42:08,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:42:08,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:08,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:42:08,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2023-11-06 22:42:08,740 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 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) [2023-11-06 22:42:13,708 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] [2023-11-06 22:42:15,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-06 22:42:19,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-06 22:42:25,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:25,640 INFO L93 Difference]: Finished difference Result 112 states and 131 transitions. [2023-11-06 22:42:25,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:42:25,641 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 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) Word has length 24 [2023-11-06 22:42:25,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:25,643 INFO L225 Difference]: With dead ends: 112 [2023-11-06 22:42:25,643 INFO L226 Difference]: Without dead ends: 92 [2023-11-06 22:42:25,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=119, Invalid=383, Unknown=4, NotChecked=0, Total=506 [2023-11-06 22:42:25,644 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 95 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 34 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:25,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 89 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 167 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2023-11-06 22:42:25,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-06 22:42:25,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 40. [2023-11-06 22:42:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.205128205128205) internal successors, (47), 39 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:25,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2023-11-06 22:42:25,661 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 24 [2023-11-06 22:42:25,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:25,661 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2023-11-06 22:42:25,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 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) [2023-11-06 22:42:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-11-06 22:42:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 22:42:25,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:25,663 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:25,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:25,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:42:25,874 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:25,875 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:25,875 INFO L85 PathProgramCache]: Analyzing trace with hash 430403928, now seen corresponding path program 1 times [2023-11-06 22:42:25,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:25,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609577260] [2023-11-06 22:42:25,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:25,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:25,928 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:25,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507423522] [2023-11-06 22:42:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:25,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:25,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:25,935 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:25,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:42:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:26,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-06 22:42:26,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:26,105 INFO L351 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 [2023-11-06 22:42:26,146 INFO L351 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-06 22:42:26,271 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-06 22:42:26,362 INFO L351 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 [2023-11-06 22:42:26,478 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-06 22:42:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:42:26,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:29,752 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:42:29,753 INFO L351 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 90 treesize of output 1 [2023-11-06 22:42:29,768 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:42:29,769 INFO L351 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 88 treesize of output 92 [2023-11-06 22:42:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:42:29,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:29,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609577260] [2023-11-06 22:42:29,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:29,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507423522] [2023-11-06 22:42:29,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507423522] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:42:29,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:42:29,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2023-11-06 22:42:29,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897356222] [2023-11-06 22:42:29,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:42:29,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-06 22:42:29,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:29,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-06 22:42:29,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=401, Unknown=15, NotChecked=0, Total=506 [2023-11-06 22:42:29,903 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:38,137 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse11 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (< 2147483647 .cse11)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse3 (* .cse11 8)) (.cse1 (+ (* 2 |c_ULTIMATE.start_main_~i~0#1|) (* |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1|) 1)) (.cse7 (< .cse11 2147483648))) (and (or .cse0 (= .cse1 (select .cse2 (+ .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and (or (forall ((v_ArrVal_123 (Array Int Int))) (or (= (select (select (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_123))) (store .cse4 |c_ULTIMATE.start_main_~a~0#1.base| (store (select .cse4 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= v_ArrVal_123 (let ((.cse6 (+ .cse3 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse5 .cse6 (select v_ArrVal_123 .cse6))))))) .cse7) (or .cse0 (forall ((v_ArrVal_123 (Array Int Int))) (or (= (select (select (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_123))) (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= v_ArrVal_123 (let ((.cse9 (+ .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse5 .cse9 (select v_ArrVal_123 .cse9))))))))))) (let ((.cse10 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (not (= (mod .cse10 4294967296) 0)) (and (= |c_ULTIMATE.start_main_~a~0#1.offset| |c_ULTIMATE.start_main_~b~0#1.offset|) (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= .cse10 0))) (or (= (select .cse2 (+ .cse3 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) .cse1) .cse7)))) is different from false [2023-11-06 22:42:53,084 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse10 (mod .cse12 4294967296)) (.cse4 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse3 (* .cse4 8)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse11 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse8 (* .cse10 8)) (.cse9 (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) (* |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1|) 4))) (and (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (and (or (forall ((v_ArrVal_123 (Array Int Int))) (or (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_123))) (store .cse0 |c_ULTIMATE.start_main_~a~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= v_ArrVal_123 (let ((.cse2 (+ .cse3 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse1 .cse2 (select v_ArrVal_123 .cse2))))))) (< .cse4 2147483648)) (or (< 2147483647 .cse4) (forall ((v_ArrVal_123 (Array Int Int))) (or (= (select (select (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_123))) (store .cse5 |c_ULTIMATE.start_main_~a~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= v_ArrVal_123 (let ((.cse6 (+ .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse1 .cse6 (select v_ArrVal_123 .cse6)))))))))) (or (= (select .cse7 (+ .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse9) (< 2147483647 .cse10)) (= (select .cse7 .cse11) 4) (or (not (= .cse10 0)) (and (= |c_ULTIMATE.start_main_~a~0#1.offset| |c_ULTIMATE.start_main_~b~0#1.offset|) (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= .cse12 0)) (= (select (store .cse7 (+ .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|) (let ((.cse13 (* 8 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)))) (+ 2 (select .cse1 (+ .cse13 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse13))))) .cse11) 4) (or (= (select .cse7 (+ .cse8 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) .cse9) (< .cse10 2147483648)))))) is different from false [2023-11-06 22:42:58,932 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (let ((.cse4 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse3 (* .cse4 8))) (and (or (forall ((v_ArrVal_123 (Array Int Int))) (or (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_123))) (store .cse0 |c_ULTIMATE.start_main_~a~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= v_ArrVal_123 (let ((.cse2 (+ .cse3 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse1 .cse2 (select v_ArrVal_123 .cse2))))))) (< .cse4 2147483648)) (or (< 2147483647 .cse4) (forall ((v_ArrVal_123 (Array Int Int))) (or (= (select (select (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_123))) (store .cse5 |c_ULTIMATE.start_main_~a~0#1.base| (store (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= v_ArrVal_123 (let ((.cse6 (+ .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse1 .cse6 (select v_ArrVal_123 .cse6)))))))))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (not (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (= (select .cse1 0) 1) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0))) is different from false [2023-11-06 22:42:59,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:59,139 INFO L93 Difference]: Finished difference Result 189 states and 215 transitions. [2023-11-06 22:42:59,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-11-06 22:42:59,139 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 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) Word has length 28 [2023-11-06 22:42:59,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:59,142 INFO L225 Difference]: With dead ends: 189 [2023-11-06 22:42:59,142 INFO L226 Difference]: Without dead ends: 187 [2023-11-06 22:42:59,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 28.9s TimeCoverageRelationStatistics Valid=729, Invalid=2540, Unknown=49, NotChecked=342, Total=3660 [2023-11-06 22:42:59,146 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 557 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 175 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 65 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:59,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 206 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 454 Invalid, 9 Unknown, 65 Unchecked, 2.9s Time] [2023-11-06 22:42:59,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-06 22:42:59,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 90. [2023-11-06 22:42:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.2696629213483146) internal successors, (113), 89 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 113 transitions. [2023-11-06 22:42:59,199 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 113 transitions. Word has length 28 [2023-11-06 22:42:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:59,200 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 113 transitions. [2023-11-06 22:42:59,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 113 transitions. [2023-11-06 22:42:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 22:42:59,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:59,206 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:59,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:59,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:59,412 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:59,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:59,413 INFO L85 PathProgramCache]: Analyzing trace with hash 877615566, now seen corresponding path program 2 times [2023-11-06 22:42:59,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:59,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974346267] [2023-11-06 22:42:59,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:59,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:59,439 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:59,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403147494] [2023-11-06 22:42:59,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:42:59,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:59,441 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:59,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:42:59,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:42:59,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:42:59,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:42:59,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:42:59,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:42:59,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:59,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974346267] [2023-11-06 22:42:59,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:59,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403147494] [2023-11-06 22:42:59,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403147494] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:42:59,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:42:59,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2023-11-06 22:42:59,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954951282] [2023-11-06 22:42:59,833 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:42:59,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:42:59,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:59,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:42:59,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:42:59,835 INFO L87 Difference]: Start difference. First operand 90 states and 113 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 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) [2023-11-06 22:43:00,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:00,118 INFO L93 Difference]: Finished difference Result 189 states and 227 transitions. [2023-11-06 22:43:00,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:43:00,119 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 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) Word has length 32 [2023-11-06 22:43:00,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:00,120 INFO L225 Difference]: With dead ends: 189 [2023-11-06 22:43:00,120 INFO L226 Difference]: Without dead ends: 113 [2023-11-06 22:43:00,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:43:00,122 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 67 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:00,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 61 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:43:00,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-06 22:43:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 89. [2023-11-06 22:43:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 88 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 108 transitions. [2023-11-06 22:43:00,156 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 108 transitions. Word has length 32 [2023-11-06 22:43:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:00,157 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 108 transitions. [2023-11-06 22:43:00,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 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) [2023-11-06 22:43:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 108 transitions. [2023-11-06 22:43:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 22:43:00,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:00,159 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:00,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:00,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:43:00,365 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:00,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:00,365 INFO L85 PathProgramCache]: Analyzing trace with hash -187195163, now seen corresponding path program 2 times [2023-11-06 22:43:00,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:00,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487773661] [2023-11-06 22:43:00,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:00,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:00,418 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:00,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371365309] [2023-11-06 22:43:00,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:43:00,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:00,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:00,429 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:00,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:43:00,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:43:00,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:43:00,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:43:00,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:43:00,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:43:00,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:00,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487773661] [2023-11-06 22:43:00,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:00,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371365309] [2023-11-06 22:43:00,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371365309] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:00,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:43:00,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2023-11-06 22:43:00,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875727398] [2023-11-06 22:43:00,802 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:00,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:43:00,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:00,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:43:00,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:43:00,805 INFO L87 Difference]: Start difference. First operand 89 states and 108 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 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) [2023-11-06 22:43:01,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:01,272 INFO L93 Difference]: Finished difference Result 228 states and 264 transitions. [2023-11-06 22:43:01,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:43:01,273 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 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) Word has length 36 [2023-11-06 22:43:01,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:01,274 INFO L225 Difference]: With dead ends: 228 [2023-11-06 22:43:01,274 INFO L226 Difference]: Without dead ends: 169 [2023-11-06 22:43:01,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:43:01,276 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 159 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:01,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 93 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:43:01,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-06 22:43:01,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 126. [2023-11-06 22:43:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.192) internal successors, (149), 125 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 149 transitions. [2023-11-06 22:43:01,324 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 149 transitions. Word has length 36 [2023-11-06 22:43:01,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:01,324 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 149 transitions. [2023-11-06 22:43:01,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 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) [2023-11-06 22:43:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 149 transitions. [2023-11-06 22:43:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 22:43:01,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:01,326 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:01,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:01,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-06 22:43:01,532 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:01,532 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:01,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1173959464, now seen corresponding path program 3 times [2023-11-06 22:43:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:01,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507362750] [2023-11-06 22:43:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:01,555 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:01,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [888985812] [2023-11-06 22:43:01,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:43:01,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:01,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:01,557 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:01,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:43:01,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 22:43:01,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:43:01,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:43:01,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:43:01,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:43:02,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:02,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507362750] [2023-11-06 22:43:02,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:02,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888985812] [2023-11-06 22:43:02,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888985812] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:02,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:43:02,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2023-11-06 22:43:02,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044656325] [2023-11-06 22:43:02,229 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:02,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-06 22:43:02,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:02,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-06 22:43:02,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:43:02,230 INFO L87 Difference]: Start difference. First operand 126 states and 149 transitions. Second operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 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) [2023-11-06 22:43:03,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:03,114 INFO L93 Difference]: Finished difference Result 154 states and 176 transitions. [2023-11-06 22:43:03,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-06 22:43:03,115 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 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) Word has length 37 [2023-11-06 22:43:03,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:03,116 INFO L225 Difference]: With dead ends: 154 [2023-11-06 22:43:03,116 INFO L226 Difference]: Without dead ends: 145 [2023-11-06 22:43:03,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=405, Invalid=1317, Unknown=0, NotChecked=0, Total=1722 [2023-11-06 22:43:03,118 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 71 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:03,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 104 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:43:03,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-06 22:43:03,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2023-11-06 22:43:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.1774193548387097) internal successors, (146), 124 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2023-11-06 22:43:03,166 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 37 [2023-11-06 22:43:03,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:03,166 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2023-11-06 22:43:03,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 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) [2023-11-06 22:43:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2023-11-06 22:43:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 22:43:03,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:03,168 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:03,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:03,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:43:03,380 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:03,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:03,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1129715953, now seen corresponding path program 4 times [2023-11-06 22:43:03,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:03,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862357712] [2023-11-06 22:43:03,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:03,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:03,402 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:03,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93424361] [2023-11-06 22:43:03,403 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 22:43:03,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:03,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:03,404 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:03,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:43:03,667 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 22:43:03,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:43:03,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-06 22:43:03,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:03,691 INFO L351 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 [2023-11-06 22:43:03,735 INFO L351 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-06 22:43:03,823 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-06 22:43:03,939 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-06 22:43:04,095 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-06 22:43:04,245 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2023-11-06 22:43:04,400 INFO L322 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-06 22:43:04,401 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2023-11-06 22:43:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:04,876 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:10,001 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse8 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse5 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse2 (* .cse8 8))) (and (or (forall ((v_ArrVal_263 (Array Int Int))) (or (not (= v_ArrVal_263 (let ((.cse1 (+ .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse0 .cse1 (select v_ArrVal_263 .cse1))))) (= (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse4 (store (select .cse3 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse6 (select (select (store .cse3 |c_ULTIMATE.start_main_~a~0#1.base| .cse4) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse3 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse4 .cse5 (+ 3 .cse6))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse6)))) 4))) (< 2147483647 .cse8)) (or (< .cse8 2147483648) (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse10 (store (select .cse9 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse11 (select (select (store .cse9 |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse9 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse10 .cse5 (+ 3 .cse11))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse11)))) 4) (not (= v_ArrVal_263 (let ((.cse12 (+ .cse2 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse0 .cse12 (select v_ArrVal_263 .cse12))))))))))) is different from false [2023-11-06 22:43:11,141 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse3 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse8 (* .cse0 8))) (and (or (< 2147483647 .cse0) (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse2 (store (select .cse1 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse4 (select (select (store .cse1 |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse2 .cse3 (+ 3 .cse4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse4)))) 4) (not (= v_ArrVal_263 (let ((.cse7 (+ .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse6 .cse7 (select v_ArrVal_263 .cse7)))))))) (or (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse10 (store (select .cse9 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse11 (select (select (store .cse9 |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse9 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse10 .cse3 (+ 3 .cse11))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse11)))) 4) (not (= v_ArrVal_263 (let ((.cse12 (+ .cse8 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (store .cse6 .cse12 (select v_ArrVal_263 .cse12))))))) (< .cse0 2147483648))))) is different from false [2023-11-06 22:43:14,218 WARN L839 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start_main_~i~0#1| 0) (let ((.cse38 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse37 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse23 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse36 (* .cse37 8)) (.cse35 (* .cse38 8))) (let ((.cse15 (+ .cse35 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse0 (< .cse38 2147483648)) (.cse17 (< 2147483647 .cse38)) (.cse7 (+ .cse36 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (< .cse37 2147483648)) (.cse9 (< 2147483647 .cse37)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse18 (+ .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse22 (* 8 .cse23))) (and (or (let ((.cse16 (+ (select .cse14 (+ (- 34359738368) .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|)) 2))) (and (or .cse0 (let ((.cse6 (store .cse14 .cse15 .cse16))) (and (or (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse2 (store (select .cse1 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse4 (select (select (store .cse1 |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse2 .cse3 (+ 3 .cse4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse4)))) 4) (not (= v_ArrVal_263 (store .cse6 .cse7 (select v_ArrVal_263 .cse7)))))) .cse8) (or .cse9 (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse11 (store (select .cse10 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse12 (select (select (store .cse10 |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse10 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse11 .cse3 (+ 3 .cse12))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse12)))) 4) (not (= (store .cse6 .cse13 (select v_ArrVal_263 .cse13)) v_ArrVal_263)))))))) (or .cse17 (forall ((v_ArrVal_263 (Array Int Int))) (or (not (= v_ArrVal_263 (store (store .cse14 .cse18 .cse16) .cse13 (select v_ArrVal_263 .cse13)))) (= (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse20 (store (select .cse19 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse21 (select (select (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse20 .cse3 (+ 3 .cse21))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse21)))) 4)))))) (< .cse23 2147483648)) (or (let ((.cse27 (+ 2 (select .cse14 (+ .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse24 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse25 (store (select .cse24 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse26 (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse25 .cse3 (+ 3 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse26)))) 4) (not (= v_ArrVal_263 (store (store .cse14 .cse15 .cse27) .cse7 (select v_ArrVal_263 .cse7)))))) .cse0) (or .cse17 (let ((.cse31 (store .cse14 .cse18 .cse27))) (and (or (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse29 (store (select .cse28 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse30 (select (select (store .cse28 |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse28 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse29 .cse3 (+ 3 .cse30))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse30)))) 4) (not (= v_ArrVal_263 (store .cse31 .cse7 (select v_ArrVal_263 .cse7)))))) .cse8) (or .cse9 (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse33 (store (select .cse32 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse34 (select (select (store .cse32 |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse32 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse33 .cse3 (+ 3 .cse34))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse34)))) 4) (not (= (store .cse31 .cse13 (select v_ArrVal_263 .cse13)) v_ArrVal_263)))))))))) (< 2147483647 .cse23))))))) is different from false [2023-11-06 22:43:18,174 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse39 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse38 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse37 (mod .cse39 4294967296))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse36 (* .cse37 8)) (.cse35 (* 8 .cse38))) (let ((.cse10 (< .cse37 2147483648)) (.cse12 (< .cse38 2147483648)) (.cse9 (+ .cse35 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse21 (< 2147483647 .cse38)) (.cse7 (+ .cse36 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (< 2147483647 .cse37)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse22 (+ .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse17 (+ .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse23 (* .cse0 8))) (and (or (< 2147483647 .cse0) (let ((.cse8 (+ 2 (select .cse6 (+ .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse2 (store (select .cse1 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse4 (select (select (store .cse1 |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse2 .cse3 (+ 3 .cse4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse4)))) 4) (not (= v_ArrVal_263 (store (store .cse6 .cse7 .cse8) .cse9 (select v_ArrVal_263 .cse9)))))) .cse10) (or .cse11 (let ((.cse16 (store .cse6 .cse22 .cse8))) (and (or .cse12 (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse14 (store (select .cse13 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse15 (select (select (store .cse13 |c_ULTIMATE.start_main_~a~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse13 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse14 .cse3 (+ 3 .cse15))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse15)))) 4) (not (= v_ArrVal_263 (store .cse16 .cse9 (select v_ArrVal_263 .cse9))))))) (or (forall ((v_ArrVal_263 (Array Int Int))) (or (not (= v_ArrVal_263 (store .cse16 .cse17 (select v_ArrVal_263 .cse17)))) (= (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse19 (store (select .cse18 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse20 (select (select (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse18 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse19 .cse3 (+ 3 .cse20))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse20)))) 4))) .cse21))))))) (or (let ((.cse31 (+ 2 (select .cse6 (+ .cse23 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse10 (let ((.cse27 (store .cse6 .cse7 .cse31))) (and (or .cse12 (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse24 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse25 (store (select .cse24 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse26 (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse25 .cse3 (+ 3 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse26)))) 4) (not (= v_ArrVal_263 (store .cse27 .cse9 (select v_ArrVal_263 .cse9))))))) (or (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse28 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse29 (store (select .cse28 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse30 (select (select (store .cse28 |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse28 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse29 .cse3 (+ 3 .cse30))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse30)))) 4) (not (= v_ArrVal_263 (store .cse27 .cse17 (select v_ArrVal_263 .cse17)))))) .cse21)))) (or .cse11 (forall ((v_ArrVal_263 (Array Int Int))) (or (= (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_263))) (let ((.cse33 (store (select .cse32 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset| 1))) (let ((.cse34 (select (select (store .cse32 |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse32 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse33 .cse3 (+ 3 .cse34))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5) .cse34)))) 4) (not (= v_ArrVal_263 (store (store .cse6 .cse22 .cse31) .cse17 (select v_ArrVal_263 .cse17))))))))) (< .cse0 2147483648)))))) (= .cse39 0))) is different from false [2023-11-06 22:43:18,484 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-06 22:43:18,485 INFO L351 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 257 treesize of output 249 [2023-11-06 22:43:18,587 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2023-11-06 22:43:18,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:18,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862357712] [2023-11-06 22:43:18,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:18,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93424361] [2023-11-06 22:43:18,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93424361] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:18,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:43:18,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2023-11-06 22:43:18,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133910120] [2023-11-06 22:43:18,589 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:18,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-06 22:43:18,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:18,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-06 22:43:18,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=738, Unknown=4, NotChecked=236, Total=1122 [2023-11-06 22:43:18,591 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:22,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:22,165 INFO L93 Difference]: Finished difference Result 268 states and 312 transitions. [2023-11-06 22:43:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 22:43:22,165 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 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) Word has length 38 [2023-11-06 22:43:22,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:22,167 INFO L225 Difference]: With dead ends: 268 [2023-11-06 22:43:22,167 INFO L226 Difference]: Without dead ends: 110 [2023-11-06 22:43:22,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 42 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=307, Invalid=1187, Unknown=4, NotChecked=308, Total=1806 [2023-11-06 22:43:22,169 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 81 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 218 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:22,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 151 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 515 Invalid, 0 Unknown, 218 Unchecked, 1.5s Time] [2023-11-06 22:43:22,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-06 22:43:22,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 103. [2023-11-06 22:43:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.1764705882352942) internal successors, (120), 102 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2023-11-06 22:43:22,200 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 38 [2023-11-06 22:43:22,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:22,200 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2023-11-06 22:43:22,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:22,201 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2023-11-06 22:43:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:43:22,201 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:22,202 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:22,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:22,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:22,409 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:22,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:22,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1096318795, now seen corresponding path program 3 times [2023-11-06 22:43:22,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:22,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16394501] [2023-11-06 22:43:22,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:22,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:22,443 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:22,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1707637320] [2023-11-06 22:43:22,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:43:22,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:22,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:22,449 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:22,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:43:23,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-06 22:43:23,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:43:23,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:43:23,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:23,676 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:23,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:23,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16394501] [2023-11-06 22:43:23,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:23,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707637320] [2023-11-06 22:43:23,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707637320] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:23,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:43:23,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2023-11-06 22:43:23,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822644624] [2023-11-06 22:43:23,966 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:23,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 22:43:23,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:23,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 22:43:23,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:43:23,968 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:24,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:24,743 INFO L93 Difference]: Finished difference Result 241 states and 269 transitions. [2023-11-06 22:43:24,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:43:24,743 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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) Word has length 39 [2023-11-06 22:43:24,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:24,745 INFO L225 Difference]: With dead ends: 241 [2023-11-06 22:43:24,745 INFO L226 Difference]: Without dead ends: 171 [2023-11-06 22:43:24,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 54 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=220, Invalid=592, Unknown=0, NotChecked=0, Total=812 [2023-11-06 22:43:24,746 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 198 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:24,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 127 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:43:24,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-06 22:43:24,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 115. [2023-11-06 22:43:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.1403508771929824) internal successors, (130), 114 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2023-11-06 22:43:24,788 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 39 [2023-11-06 22:43:24,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:24,788 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2023-11-06 22:43:24,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2023-11-06 22:43:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 22:43:24,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:24,789 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:24,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:24,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:24,997 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:24,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:24,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2062215163, now seen corresponding path program 5 times [2023-11-06 22:43:24,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:24,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158720780] [2023-11-06 22:43:24,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:24,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:25,018 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:25,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178336615] [2023-11-06 22:43:25,019 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-06 22:43:25,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:25,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:25,020 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:25,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:43:25,867 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-11-06 22:43:25,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:43:25,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:43:25,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:43:26,118 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:43:26,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:26,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158720780] [2023-11-06 22:43:26,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:26,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178336615] [2023-11-06 22:43:26,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178336615] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:26,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:43:26,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2023-11-06 22:43:26,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199181784] [2023-11-06 22:43:26,345 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:26,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 22:43:26,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:26,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 22:43:26,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:43:26,346 INFO L87 Difference]: Start difference. First operand 115 states and 130 transitions. Second operand has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:27,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:27,363 INFO L93 Difference]: Finished difference Result 212 states and 236 transitions. [2023-11-06 22:43:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:43:27,364 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 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) Word has length 40 [2023-11-06 22:43:27,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:27,365 INFO L225 Difference]: With dead ends: 212 [2023-11-06 22:43:27,365 INFO L226 Difference]: Without dead ends: 104 [2023-11-06 22:43:27,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 63 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2023-11-06 22:43:27,366 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 170 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:27,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 190 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:43:27,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-06 22:43:27,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 74. [2023-11-06 22:43:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.0684931506849316) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2023-11-06 22:43:27,394 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 40 [2023-11-06 22:43:27,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:27,395 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2023-11-06 22:43:27,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2023-11-06 22:43:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 22:43:27,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:27,396 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:27,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-06 22:43:27,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:27,603 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:27,604 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:27,604 INFO L85 PathProgramCache]: Analyzing trace with hash -734671131, now seen corresponding path program 4 times [2023-11-06 22:43:27,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:27,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697925002] [2023-11-06 22:43:27,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:27,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:27,644 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:27,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [725412521] [2023-11-06 22:43:27,644 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 22:43:27,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:27,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:27,646 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:27,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321fb171-a528-4834-990c-6cadd693d225/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:43:29,209 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 22:43:29,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:43:29,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-06 22:43:29,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:29,480 INFO L351 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 [2023-11-06 22:43:29,590 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:43:29,590 INFO L351 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 25 treesize of output 27 [2023-11-06 22:43:29,744 INFO L322 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-06 22:43:29,745 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 47 [2023-11-06 22:43:29,943 INFO L322 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-06 22:43:29,944 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 66 treesize of output 68 [2023-11-06 22:43:30,185 INFO L322 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2023-11-06 22:43:30,186 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 79 treesize of output 87 [2023-11-06 22:43:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:43:30,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:50,417 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse55 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse56 (* .cse55 8)) (.cse39 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse59 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse33 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse57 (* .cse59 8)) (.cse58 (* 8 .cse39)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse30 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (let ((.cse3 (select .cse12 .cse30)) (.cse13 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse23 (< 2147483647 .cse55)) (.cse16 (< .cse59 2147483648)) (.cse17 (< 2147483647 .cse59)) (.cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (.cse7 (+ .cse58 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse2 (+ .cse58 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse20 (+ .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse57 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse22 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (+ .cse56 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse31 (< .cse55 2147483648)) (.cse32 (* 8 .cse33))) (and (or (let ((.cse15 (select .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32))) (.cse14 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse9 (store .cse12 .cse13 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse14) 2 .cse15)))) (let ((.cse5 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse6 (store .cse9 .cse10 (+ 2 .cse3 .cse5)))) (let ((.cse4 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse0 (store .cse6 .cse7 (+ .cse3 4 .cse4 .cse5)))) (store .cse0 .cse1 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse0) |ULTIMATE.start_main_~b~0#1.base|) .cse2) 6 .cse3 .cse4 .cse5))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse16) (or .cse17 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse21 (store .cse12 .cse13 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse14) 2 .cse15)))) (let ((.cse19 (store .cse21 .cse22 (+ 2 .cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21) |ULTIMATE.start_main_~b~0#1.base|) .cse11))))) (let ((.cse18 (store .cse19 .cse20 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |ULTIMATE.start_main_~b~0#1.base|) .cse8) (select .cse21 .cse10))))) (store .cse18 .cse1 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |ULTIMATE.start_main_~b~0#1.base|) .cse2) (select .cse19 .cse7)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)))) .cse23) (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse25 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse14))) (let ((.cse29 (store .cse12 .cse30 (+ .cse25 2 .cse15)))) (let ((.cse27 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse28 (store .cse29 .cse10 (+ .cse25 .cse27 4 .cse15)))) (let ((.cse26 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse24 (store .cse28 .cse7 (+ .cse25 .cse26 6 .cse27 .cse15)))) (store .cse24 .cse1 (+ .cse25 .cse26 .cse27 8 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |ULTIMATE.start_main_~b~0#1.base|) .cse2) .cse15)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse31))) (< 2147483647 .cse33)) (or (let ((.cse37 (select .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse32))) (.cse38 (+ (- 34359738368) .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse36 (store .cse12 .cse13 (+ .cse37 2 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))))) (let ((.cse35 (store .cse36 .cse22 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse36) |ULTIMATE.start_main_~b~0#1.base|) .cse11) 2 .cse3)))) (let ((.cse34 (store .cse35 .cse20 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |ULTIMATE.start_main_~b~0#1.base|) .cse8) (select .cse36 .cse10))))) (store .cse34 .cse1 (+ (select .cse35 .cse7) 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34) |ULTIMATE.start_main_~b~0#1.base|) .cse2)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse23) (or (and (or .cse16 (and (or (< .cse39 2147483648) (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse43 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse45 (store .cse12 .cse30 (+ .cse37 2 .cse43)))) (let ((.cse41 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse44 (store .cse45 .cse10 (+ .cse37 .cse41 4 .cse43)))) (let ((.cse42 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse40 (store .cse44 .cse7 (+ .cse37 .cse41 6 .cse42 .cse43)))) (store .cse40 .cse1 (+ .cse37 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40) |ULTIMATE.start_main_~b~0#1.base|) .cse2) .cse41 8 .cse42 .cse43)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse49 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse50 (store .cse12 .cse30 (+ .cse37 2 .cse49)))) (let ((.cse48 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse50) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse47 (store .cse50 .cse10 (+ .cse37 .cse48 4 .cse49)))) (let ((.cse46 (store .cse47 .cse20 (+ .cse37 .cse48 6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47) |ULTIMATE.start_main_~b~0#1.base|) .cse8) .cse49)))) (store .cse46 .cse1 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46) |ULTIMATE.start_main_~b~0#1.base|) .cse2) 2 (select .cse47 .cse7)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) (< 2147483647 .cse39)))) (or .cse17 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse54 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse53 (store .cse12 .cse30 (+ .cse37 2 .cse54)))) (let ((.cse52 (store .cse53 .cse22 (+ .cse37 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53) |ULTIMATE.start_main_~b~0#1.base|) .cse11) 4 .cse54)))) (let ((.cse51 (store .cse52 .cse20 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse52) |ULTIMATE.start_main_~b~0#1.base|) .cse8) 2 (select .cse53 .cse10))))) (store .cse51 .cse1 (+ (select .cse52 .cse7) 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse51) |ULTIMATE.start_main_~b~0#1.base|) .cse2))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)))) .cse31))) (< .cse33 2147483648))))))) is different from false [2023-11-06 22:43:52,431 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse55 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse56 (* .cse55 8)) (.cse39 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse59 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse33 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse57 (* .cse59 8)) (.cse58 (* 8 .cse39)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse30 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (let ((.cse3 (select .cse12 .cse30)) (.cse13 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse23 (< 2147483647 .cse55)) (.cse16 (< .cse59 2147483648)) (.cse17 (< 2147483647 .cse59)) (.cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (.cse7 (+ .cse58 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse2 (+ .cse58 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse20 (+ .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (+ .cse57 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse22 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (+ .cse56 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse31 (< .cse55 2147483648)) (.cse32 (* 8 .cse33))) (and (or (let ((.cse15 (select .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32))) (.cse14 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse9 (store .cse12 .cse13 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse14) 2 .cse15)))) (let ((.cse5 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse6 (store .cse9 .cse10 (+ 2 .cse3 .cse5)))) (let ((.cse4 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse6) |ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse0 (store .cse6 .cse7 (+ .cse3 4 .cse4 .cse5)))) (store .cse0 .cse1 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse0) |ULTIMATE.start_main_~b~0#1.base|) .cse2) 6 .cse3 .cse4 .cse5))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse16) (or .cse17 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse21 (store .cse12 .cse13 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse14) 2 .cse15)))) (let ((.cse19 (store .cse21 .cse22 (+ 2 .cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21) |ULTIMATE.start_main_~b~0#1.base|) .cse11))))) (let ((.cse18 (store .cse19 .cse20 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |ULTIMATE.start_main_~b~0#1.base|) .cse8) (select .cse21 .cse10))))) (store .cse18 .cse1 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |ULTIMATE.start_main_~b~0#1.base|) .cse2) (select .cse19 .cse7)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)))) .cse23) (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse25 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse14))) (let ((.cse29 (store .cse12 .cse30 (+ .cse25 2 .cse15)))) (let ((.cse27 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse28 (store .cse29 .cse10 (+ .cse25 .cse27 4 .cse15)))) (let ((.cse26 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse24 (store .cse28 .cse7 (+ .cse25 .cse26 6 .cse27 .cse15)))) (store .cse24 .cse1 (+ .cse25 .cse26 .cse27 8 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |ULTIMATE.start_main_~b~0#1.base|) .cse2) .cse15)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse31))) (< 2147483647 .cse33)) (or (let ((.cse37 (select .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse32))) (.cse38 (+ (- 34359738368) .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse36 (store .cse12 .cse13 (+ .cse37 2 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))))) (let ((.cse35 (store .cse36 .cse22 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse36) |ULTIMATE.start_main_~b~0#1.base|) .cse11) 2 .cse3)))) (let ((.cse34 (store .cse35 .cse20 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |ULTIMATE.start_main_~b~0#1.base|) .cse8) (select .cse36 .cse10))))) (store .cse34 .cse1 (+ (select .cse35 .cse7) 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34) |ULTIMATE.start_main_~b~0#1.base|) .cse2)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse23) (or (and (or .cse16 (and (or (< .cse39 2147483648) (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse43 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse45 (store .cse12 .cse30 (+ .cse37 2 .cse43)))) (let ((.cse41 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse44 (store .cse45 .cse10 (+ .cse37 .cse41 4 .cse43)))) (let ((.cse42 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |ULTIMATE.start_main_~b~0#1.base|) .cse8))) (let ((.cse40 (store .cse44 .cse7 (+ .cse37 .cse41 6 .cse42 .cse43)))) (store .cse40 .cse1 (+ .cse37 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40) |ULTIMATE.start_main_~b~0#1.base|) .cse2) .cse41 8 .cse42 .cse43)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse49 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse50 (store .cse12 .cse30 (+ .cse37 2 .cse49)))) (let ((.cse48 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse50) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse47 (store .cse50 .cse10 (+ .cse37 .cse48 4 .cse49)))) (let ((.cse46 (store .cse47 .cse20 (+ .cse37 .cse48 6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47) |ULTIMATE.start_main_~b~0#1.base|) .cse8) .cse49)))) (store .cse46 .cse1 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46) |ULTIMATE.start_main_~b~0#1.base|) .cse2) 2 (select .cse47 .cse7)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) (< 2147483647 .cse39)))) (or .cse17 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse54 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse53 (store .cse12 .cse30 (+ .cse37 2 .cse54)))) (let ((.cse52 (store .cse53 .cse22 (+ .cse37 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53) |ULTIMATE.start_main_~b~0#1.base|) .cse11) 4 .cse54)))) (let ((.cse51 (store .cse52 .cse20 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse52) |ULTIMATE.start_main_~b~0#1.base|) .cse8) 2 (select .cse53 .cse10))))) (store .cse51 .cse1 (+ (select .cse52 .cse7) 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse51) |ULTIMATE.start_main_~b~0#1.base|) .cse2))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)))) .cse31))) (< .cse33 2147483648))))))) is different from true [2023-11-06 22:43:58,320 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse55 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse56 (* .cse55 8)) (.cse59 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse48 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse58 (* .cse48 8)) (.cse57 (* 8 .cse59)) (.cse14 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse15 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (let ((.cse18 (< 2147483647 .cse55)) (.cse23 (select .cse14 .cse15)) (.cse26 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse31 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse32 (< 2147483647 .cse59)) (.cse19 (< .cse59 2147483648)) (.cse29 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse58)) (.cse2 (+ (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (+ (- 34359738368) .cse58 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse58)) (.cse10 (+ .cse57 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse13 (+ .cse56 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse17 (< .cse55 2147483648)) (.cse33 (* .cse0 8))) (and (or (< 2147483647 .cse0) (let ((.cse16 (+ .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (select .cse14 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse3 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse16))) (let ((.cse11 (store .cse14 .cse15 (+ .cse3 2 .cse7)))) (let ((.cse5 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse11) |ULTIMATE.start_main_~b~0#1.base|) .cse13))) (let ((.cse8 (store .cse11 .cse12 (+ .cse3 .cse5 4 .cse7)))) (let ((.cse6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse8) |ULTIMATE.start_main_~b~0#1.base|) .cse10))) (let ((.cse1 (store .cse8 .cse9 (+ .cse3 6 .cse5 .cse6 .cse7)))) (store .cse1 .cse2 (+ .cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |ULTIMATE.start_main_~b~0#1.base|) .cse4) 8 .cse5 .cse6 .cse7)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse17) (or .cse18 (and (or .cse19 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse25 (store .cse14 .cse26 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse16) 2 .cse7)))) (let ((.cse22 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |ULTIMATE.start_main_~b~0#1.base|) .cse13))) (let ((.cse24 (store .cse25 .cse12 (+ 2 .cse22 .cse23)))) (let ((.cse21 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |ULTIMATE.start_main_~b~0#1.base|) .cse10))) (let ((.cse20 (store .cse24 .cse9 (+ .cse21 .cse22 .cse23 4)))) (store .cse20 .cse2 (+ .cse21 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |ULTIMATE.start_main_~b~0#1.base|) .cse4) 6 .cse22 .cse23))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse30 (store .cse14 .cse26 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse16) 2 .cse7)))) (let ((.cse28 (store .cse30 .cse31 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |ULTIMATE.start_main_~b~0#1.base|) .cse13) .cse23)))) (let ((.cse27 (store .cse28 .cse29 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |ULTIMATE.start_main_~b~0#1.base|) .cse10) 2 (select .cse30 .cse12))))) (store .cse27 .cse2 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |ULTIMATE.start_main_~b~0#1.base|) .cse4) 2 (select .cse28 .cse9)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse32)))))) (or (let ((.cse38 (select .cse14 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (.cse37 (+ .cse33 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse18 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse36 (store .cse14 .cse26 (+ 2 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse37) .cse38)))) (let ((.cse35 (store .cse36 .cse31 (+ 2 .cse23 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse36) |ULTIMATE.start_main_~b~0#1.base|) .cse13))))) (let ((.cse34 (store .cse35 .cse29 (+ 2 (select .cse36 .cse12) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |ULTIMATE.start_main_~b~0#1.base|) .cse10))))) (store .cse34 .cse2 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34) |ULTIMATE.start_main_~b~0#1.base|) .cse4) (select .cse35 .cse9)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) (or (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse42 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse37))) (let ((.cse41 (store .cse14 .cse15 (+ 2 .cse42 .cse38)))) (let ((.cse40 (store .cse41 .cse31 (+ .cse42 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41) |ULTIMATE.start_main_~b~0#1.base|) .cse13) .cse38 4)))) (let ((.cse39 (store .cse40 .cse29 (+ (select .cse41 .cse12) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40) |ULTIMATE.start_main_~b~0#1.base|) .cse10) 2)))) (store .cse39 .cse2 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse39) |ULTIMATE.start_main_~b~0#1.base|) .cse4) (select .cse40 .cse9) 2)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse32) (or .cse19 (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse45 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse37))) (let ((.cse47 (store .cse14 .cse15 (+ 2 .cse45 .cse38)))) (let ((.cse46 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47) |ULTIMATE.start_main_~b~0#1.base|) .cse13))) (let ((.cse44 (store .cse47 .cse12 (+ .cse45 .cse46 .cse38 4)))) (let ((.cse43 (store .cse44 .cse29 (+ 6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |ULTIMATE.start_main_~b~0#1.base|) .cse10) .cse45 .cse46 .cse38)))) (store .cse43 .cse2 (+ 2 (select .cse44 .cse9) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43) |ULTIMATE.start_main_~b~0#1.base|) .cse4)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) (< 2147483647 .cse48)) (or (< .cse48 2147483648) (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse51 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse37))) (let ((.cse54 (store .cse14 .cse15 (+ 2 .cse51 .cse38)))) (let ((.cse52 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse54) |ULTIMATE.start_main_~b~0#1.base|) .cse13))) (let ((.cse53 (store .cse54 .cse12 (+ .cse51 .cse52 .cse38 4)))) (let ((.cse50 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53) |ULTIMATE.start_main_~b~0#1.base|) .cse10))) (let ((.cse49 (store .cse53 .cse9 (+ 6 .cse50 .cse51 .cse52 .cse38)))) (store .cse49 .cse2 (+ .cse50 .cse51 .cse52 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse49) |ULTIMATE.start_main_~b~0#1.base|) .cse4) 8 .cse38)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)))))) .cse17))) (< .cse0 2147483648))))))) is different from false [2023-11-06 22:44:01,503 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:44:01,508 INFO L351 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 17230742 treesize of output 15772574 [2023-11-06 22:44:10,310 WARN L293 SmtUtils]: Spent 8.79s on a formula simplification. DAG size of input: 2561 DAG size of output: 657 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:44:10,712 INFO L322 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2023-11-06 22:44:10,713 INFO L351 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 269 treesize of output 198 [2023-11-06 22:44:10,797 INFO L322 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2023-11-06 22:44:10,797 INFO L351 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 8622 treesize of output 6014 [2023-11-06 22:44:12,639 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:44:12,645 INFO L351 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 11387286 treesize of output 10374558 [2023-11-06 22:44:31,805 WARN L293 SmtUtils]: Spent 19.15s on a formula simplification. DAG size of input: 2719 DAG size of output: 869 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:44:35,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:44:35,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:35,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:35,812 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:35,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:35,819 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:35,820 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 9357 treesize of output 6493 [2023-11-06 22:44:37,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:37,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:37,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:37,833 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:37,834 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:37,835 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:37,836 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 288 treesize of output 199 [2023-11-06 22:44:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:44:37,848 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:37,849 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:37,866 INFO L351 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 16 treesize of output 7 [2023-11-06 22:44:40,828 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:44:40,832 INFO L351 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 11549558 treesize of output 10665758 [2023-11-06 22:44:45,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:45,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:45,444 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:45,445 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:45,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:45,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:45,449 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 13066 treesize of output 12046 [2023-11-06 22:44:49,520 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:49,521 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:49,522 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:49,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:49,524 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:49,525 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:49,527 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 13236 treesize of output 11925 [2023-11-06 22:44:51,712 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:44:51,729 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-06 22:44:51,758 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:44:51,769 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-06 22:44:51,990 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:44:52,016 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-06 22:44:52,058 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:44:52,078 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-11-06 22:44:52,156 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-06 22:44:58,323 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:58,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:58,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:58,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:58,327 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:58,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:44:58,331 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 15482 treesize of output 13962 [2023-11-06 22:45:02,510 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:02,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:02,896 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:02,896 INFO L217 Elim1Store]: Index analysis took 388 ms [2023-11-06 22:45:02,898 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 14160 treesize of output 12202 [2023-11-06 22:45:08,217 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:08,227 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:08,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:08,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:08,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:08,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:08,238 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 14936 treesize of output 13237 [2023-11-06 22:45:21,703 INFO L351 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 77 treesize of output 68 [2023-11-06 22:45:22,361 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:22,926 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:23,187 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:45:23,919 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:45:23,923 INFO L351 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 4700958 treesize of output 4283942 [2023-11-06 22:45:31,403 WARN L293 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 2279 DAG size of output: 1009 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:45:32,210 INFO L322 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2023-11-06 22:45:32,210 INFO L351 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 577 treesize of output 492 [2023-11-06 22:45:32,577 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:45:32,579 INFO L351 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 45368362 treesize of output 1 [2023-11-06 22:45:32,700 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:45:32,702 INFO L351 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 7138258 treesize of output 1 [2023-11-06 22:45:32,800 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:45:32,802 INFO L351 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 1222018 treesize of output 1 [2023-11-06 22:45:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 35 trivial. 13 not checked. [2023-11-06 22:45:33,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:33,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697925002] [2023-11-06 22:45:33,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:45:33,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725412521] [2023-11-06 22:45:33,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725412521] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:45:33,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:45:33,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 30 [2023-11-06 22:45:33,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869168641] [2023-11-06 22:45:33,413 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:45:33,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-06 22:45:33,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:33,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-06 22:45:33,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=607, Unknown=3, NotChecked=106, Total=870 [2023-11-06 22:45:33,415 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand has 30 states, 30 states have (on average 2.2333333333333334) internal successors, (67), 30 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:45:37,601 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse55 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse56 (* .cse55 8)) (.cse59 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse48 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse1 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse58 (* .cse48 8)) (.cse57 (* 8 .cse59)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse15 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (let ((.cse18 (< 2147483647 .cse55)) (.cse23 (select .cse0 .cse15)) (.cse26 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse31 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse32 (< 2147483647 .cse59)) (.cse19 (< .cse59 2147483648)) (.cse29 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse58)) (.cse3 (+ (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296) 8) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (+ (- 34359738368) .cse58 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse58)) (.cse11 (+ .cse57 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse14 (+ .cse56 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse17 (< .cse55 2147483648)) (.cse33 (* .cse1 8))) (and (= (select .cse0 0) 1) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (or (< 2147483647 .cse1) (let ((.cse16 (+ .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (select .cse0 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse4 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse16))) (let ((.cse12 (store .cse0 .cse15 (+ .cse4 2 .cse8)))) (let ((.cse6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse12) |ULTIMATE.start_main_~b~0#1.base|) .cse14))) (let ((.cse9 (store .cse12 .cse13 (+ .cse4 .cse6 4 .cse8)))) (let ((.cse7 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse2 (store .cse9 .cse10 (+ .cse4 6 .cse6 .cse7 .cse8)))) (store .cse2 .cse3 (+ .cse4 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |ULTIMATE.start_main_~b~0#1.base|) .cse5) 8 .cse6 .cse7 .cse8)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse17) (or .cse18 (and (or .cse19 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse25 (store .cse0 .cse26 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse16) 2 .cse8)))) (let ((.cse22 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |ULTIMATE.start_main_~b~0#1.base|) .cse14))) (let ((.cse24 (store .cse25 .cse13 (+ 2 .cse22 .cse23)))) (let ((.cse21 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse20 (store .cse24 .cse10 (+ .cse21 .cse22 .cse23 4)))) (store .cse20 .cse3 (+ .cse21 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |ULTIMATE.start_main_~b~0#1.base|) .cse5) 6 .cse22 .cse23))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse30 (store .cse0 .cse26 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse16) 2 .cse8)))) (let ((.cse28 (store .cse30 .cse31 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |ULTIMATE.start_main_~b~0#1.base|) .cse14) .cse23)))) (let ((.cse27 (store .cse28 .cse29 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |ULTIMATE.start_main_~b~0#1.base|) .cse11) 2 (select .cse30 .cse13))))) (store .cse27 .cse3 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse27) |ULTIMATE.start_main_~b~0#1.base|) .cse5) 2 (select .cse28 .cse10)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse32)))))) (or (let ((.cse38 (select .cse0 (+ .cse33 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (.cse37 (+ .cse33 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse18 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse36 (store .cse0 .cse26 (+ 2 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse37) .cse38)))) (let ((.cse35 (store .cse36 .cse31 (+ 2 .cse23 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse36) |ULTIMATE.start_main_~b~0#1.base|) .cse14))))) (let ((.cse34 (store .cse35 .cse29 (+ 2 (select .cse36 .cse13) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |ULTIMATE.start_main_~b~0#1.base|) .cse11))))) (store .cse34 .cse3 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34) |ULTIMATE.start_main_~b~0#1.base|) .cse5) (select .cse35 .cse10)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) (or (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse42 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse37))) (let ((.cse41 (store .cse0 .cse15 (+ 2 .cse42 .cse38)))) (let ((.cse40 (store .cse41 .cse31 (+ .cse42 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse41) |ULTIMATE.start_main_~b~0#1.base|) .cse14) .cse38 4)))) (let ((.cse39 (store .cse40 .cse29 (+ (select .cse41 .cse13) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40) |ULTIMATE.start_main_~b~0#1.base|) .cse11) 2)))) (store .cse39 .cse3 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse39) |ULTIMATE.start_main_~b~0#1.base|) .cse5) (select .cse40 .cse10) 2)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse32) (or .cse19 (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse45 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse37))) (let ((.cse47 (store .cse0 .cse15 (+ 2 .cse45 .cse38)))) (let ((.cse46 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47) |ULTIMATE.start_main_~b~0#1.base|) .cse14))) (let ((.cse44 (store .cse47 .cse13 (+ .cse45 .cse46 .cse38 4)))) (let ((.cse43 (store .cse44 .cse29 (+ 6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |ULTIMATE.start_main_~b~0#1.base|) .cse11) .cse45 .cse46 .cse38)))) (store .cse43 .cse3 (+ 2 (select .cse44 .cse10) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse43) |ULTIMATE.start_main_~b~0#1.base|) .cse5)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) (< 2147483647 .cse48)) (or (< .cse48 2147483648) (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse51 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse37))) (let ((.cse54 (store .cse0 .cse15 (+ 2 .cse51 .cse38)))) (let ((.cse52 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse54) |ULTIMATE.start_main_~b~0#1.base|) .cse14))) (let ((.cse53 (store .cse54 .cse13 (+ .cse51 .cse52 .cse38 4)))) (let ((.cse50 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53) |ULTIMATE.start_main_~b~0#1.base|) .cse11))) (let ((.cse49 (store .cse53 .cse10 (+ 6 .cse50 .cse51 .cse52 .cse38)))) (store .cse49 .cse3 (+ .cse50 .cse51 .cse52 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse49) |ULTIMATE.start_main_~b~0#1.base|) .cse5) 8 .cse38)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)))))) .cse17))) (< .cse1 2147483648)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0)))))) is different from true [2023-11-06 22:45:42,364 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse55 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse56 (* .cse55 8)) (.cse39 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse59 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse33 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse57 (* .cse59 8)) (.cse58 (* 8 .cse39)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse30 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) (let ((.cse4 (select .cse0 .cse30)) (.cse13 (+ .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse23 (< 2147483647 .cse55)) (.cse16 (< .cse59 2147483648)) (.cse17 (< 2147483647 .cse59)) (.cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (.cse8 (+ .cse58 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse3 (+ .cse58 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse20 (+ .cse58 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (+ .cse57 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))) (.cse22 (+ .cse57 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (+ .cse56 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse31 (< .cse55 2147483648)) (.cse32 (* 8 .cse33))) (and (= (select .cse0 0) 1) (or (let ((.cse15 (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32))) (.cse14 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse10 (store .cse0 .cse13 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse14) 2 .cse15)))) (let ((.cse6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |ULTIMATE.start_main_~b~0#1.base|) .cse12))) (let ((.cse7 (store .cse10 .cse11 (+ 2 .cse4 .cse6)))) (let ((.cse5 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse7) |ULTIMATE.start_main_~b~0#1.base|) .cse9))) (let ((.cse1 (store .cse7 .cse8 (+ .cse4 4 .cse5 .cse6)))) (store .cse1 .cse2 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |ULTIMATE.start_main_~b~0#1.base|) .cse3) 6 .cse4 .cse5 .cse6))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse16) (or .cse17 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse21 (store .cse0 .cse13 (+ (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse14) 2 .cse15)))) (let ((.cse19 (store .cse21 .cse22 (+ 2 .cse4 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21) |ULTIMATE.start_main_~b~0#1.base|) .cse12))))) (let ((.cse18 (store .cse19 .cse20 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |ULTIMATE.start_main_~b~0#1.base|) .cse9) (select .cse21 .cse11))))) (store .cse18 .cse2 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |ULTIMATE.start_main_~b~0#1.base|) .cse3) (select .cse19 .cse8)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)))) .cse23) (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse25 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse14))) (let ((.cse29 (store .cse0 .cse30 (+ .cse25 2 .cse15)))) (let ((.cse27 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse29) |ULTIMATE.start_main_~b~0#1.base|) .cse12))) (let ((.cse28 (store .cse29 .cse11 (+ .cse25 .cse27 4 .cse15)))) (let ((.cse26 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse28) |ULTIMATE.start_main_~b~0#1.base|) .cse9))) (let ((.cse24 (store .cse28 .cse8 (+ .cse25 .cse26 6 .cse27 .cse15)))) (store .cse24 .cse2 (+ .cse25 .cse26 .cse27 8 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |ULTIMATE.start_main_~b~0#1.base|) .cse3) .cse15)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse31))) (< 2147483647 .cse33)) (or (let ((.cse37 (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse32))) (.cse38 (+ (- 34359738368) .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse36 (store .cse0 .cse13 (+ .cse37 2 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))))) (let ((.cse35 (store .cse36 .cse22 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse36) |ULTIMATE.start_main_~b~0#1.base|) .cse12) 2 .cse4)))) (let ((.cse34 (store .cse35 .cse20 (+ 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |ULTIMATE.start_main_~b~0#1.base|) .cse9) (select .cse36 .cse11))))) (store .cse34 .cse2 (+ (select .cse35 .cse8) 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse34) |ULTIMATE.start_main_~b~0#1.base|) .cse3)))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) .cse23) (or (and (or .cse16 (and (or (< .cse39 2147483648) (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse43 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse45 (store .cse0 .cse30 (+ .cse37 2 .cse43)))) (let ((.cse41 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse45) |ULTIMATE.start_main_~b~0#1.base|) .cse12))) (let ((.cse44 (store .cse45 .cse11 (+ .cse37 .cse41 4 .cse43)))) (let ((.cse42 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |ULTIMATE.start_main_~b~0#1.base|) .cse9))) (let ((.cse40 (store .cse44 .cse8 (+ .cse37 .cse41 6 .cse42 .cse43)))) (store .cse40 .cse2 (+ .cse37 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse40) |ULTIMATE.start_main_~b~0#1.base|) .cse3) .cse41 8 .cse42 .cse43)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) (or (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse49 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse50 (store .cse0 .cse30 (+ .cse37 2 .cse49)))) (let ((.cse48 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse50) |ULTIMATE.start_main_~b~0#1.base|) .cse12))) (let ((.cse47 (store .cse50 .cse11 (+ .cse37 .cse48 4 .cse49)))) (let ((.cse46 (store .cse47 .cse20 (+ .cse37 .cse48 6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse47) |ULTIMATE.start_main_~b~0#1.base|) .cse9) .cse49)))) (store .cse46 .cse2 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46) |ULTIMATE.start_main_~b~0#1.base|) .cse3) 2 (select .cse47 .cse8)))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)) (< 2147483647 .cse39)))) (or .cse17 (forall ((|ULTIMATE.start_main_~b~0#1.base| Int)) (= (select (let ((.cse54 (select (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse53 (store .cse0 .cse30 (+ .cse37 2 .cse54)))) (let ((.cse52 (store .cse53 .cse22 (+ .cse37 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53) |ULTIMATE.start_main_~b~0#1.base|) .cse12) 4 .cse54)))) (let ((.cse51 (store .cse52 .cse20 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse52) |ULTIMATE.start_main_~b~0#1.base|) .cse9) 2 (select .cse53 .cse11))))) (store .cse51 .cse2 (+ (select .cse52 .cse8) 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse51) |ULTIMATE.start_main_~b~0#1.base|) .cse3))))))) |c_ULTIMATE.start_main_~a~0#1.offset|) 1)))) .cse31))) (< .cse33 2147483648)) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 1)))))) is different from true