./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bf1fedabded59b54ffeedfdca15b4d2afc329082dbabcf446dea84149cd8668 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:13:32,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:13:32,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:13:32,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:13:32,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:13:32,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:13:32,457 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:13:32,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:13:32,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:13:32,459 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:13:32,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:13:32,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:13:32,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:13:32,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:13:32,462 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:13:32,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:13:32,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:13:32,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:13:32,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:13:32,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:13:32,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:13:32,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:13:32,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:13:32,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:13:32,475 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:13:32,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:13:32,476 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:13:32,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:13:32,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:13:32,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:13:32,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:13:32,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:13:32,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:13:32,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:32,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:13:32,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:13:32,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:13:32,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:13:32,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:13:32,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:13:32,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:13:32,482 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:13:32,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:13:32,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:13:32,483 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_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf1fedabded59b54ffeedfdca15b4d2afc329082dbabcf446dea84149cd8668 [2023-11-21 22:13:32,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:13:32,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:13:32,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:13:32,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:13:32,845 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:13:32,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound1.c [2023-11-21 22:13:35,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:13:36,235 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:13:36,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound1.c [2023-11-21 22:13:36,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/data/1f3e62991/9a4c02c498124377b5ed51a10ac65dc4/FLAGb9b766fcc [2023-11-21 22:13:36,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/data/1f3e62991/9a4c02c498124377b5ed51a10ac65dc4 [2023-11-21 22:13:36,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:13:36,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:13:36,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:36,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:13:36,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:13:36,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f421207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36, skipping insertion in model container [2023-11-21 22:13:36,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:13:36,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:36,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:13:36,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:36,512 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:13:36,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36 WrapperNode [2023-11-21 22:13:36,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:36,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:36,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:13:36,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:13:36,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,558 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2023-11-21 22:13:36,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:36,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:13:36,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:13:36,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:13:36,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,575 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,586 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:13:36,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:13:36,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:13:36,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:13:36,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:13:36,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (1/1) ... [2023-11-21 22:13:36,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:36,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:36,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:13:36,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:13:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:13:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:13:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:13:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:13:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 22:13:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 22:13:36,795 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:13:36,798 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:13:37,562 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:13:37,630 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:13:37,631 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:13:37,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:37 BoogieIcfgContainer [2023-11-21 22:13:37,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:13:37,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:13:37,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:13:37,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:13:37,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:13:36" (1/3) ... [2023-11-21 22:13:37,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb79884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:37, skipping insertion in model container [2023-11-21 22:13:37,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:36" (2/3) ... [2023-11-21 22:13:37,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb79884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:37, skipping insertion in model container [2023-11-21 22:13:37,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:37" (3/3) ... [2023-11-21 22:13:37,642 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound1.c [2023-11-21 22:13:37,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:13:37,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2023-11-21 22:13:37,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:13:37,731 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1be9f6e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:13:37,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2023-11-21 22:13:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 92 states have (on average 1.9673913043478262) internal successors, (181), 178 states have internal predecessors, (181), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:13:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 22:13:37,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:37,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 22:13:37,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:37,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:37,751 INFO L85 PathProgramCache]: Analyzing trace with hash 259564, now seen corresponding path program 1 times [2023-11-21 22:13:37,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:37,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137027681] [2023-11-21 22:13:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:37,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:37,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:37,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137027681] [2023-11-21 22:13:37,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137027681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:37,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:37,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:37,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59984298] [2023-11-21 22:13:37,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:37,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:13:37,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:37,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:13:37,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:13:37,961 INFO L87 Difference]: Start difference. First operand has 183 states, 92 states have (on average 1.9673913043478262) internal successors, (181), 178 states have internal predecessors, (181), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-21 22:13:38,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:38,031 INFO L93 Difference]: Finished difference Result 259 states and 269 transitions. [2023-11-21 22:13:38,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:13:38,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2023-11-21 22:13:38,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:38,044 INFO L225 Difference]: With dead ends: 259 [2023-11-21 22:13:38,045 INFO L226 Difference]: Without dead ends: 167 [2023-11-21 22:13:38,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:13:38,053 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:38,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:13:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-21 22:13:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2023-11-21 22:13:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 91 states have (on average 1.8131868131868132) internal successors, (165), 163 states have internal predecessors, (165), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 169 transitions. [2023-11-21 22:13:38,111 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 169 transitions. Word has length 3 [2023-11-21 22:13:38,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:38,111 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 169 transitions. [2023-11-21 22:13:38,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-21 22:13:38,112 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 169 transitions. [2023-11-21 22:13:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 22:13:38,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:38,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 22:13:38,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:13:38,113 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:38,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:38,114 INFO L85 PathProgramCache]: Analyzing trace with hash 256075, now seen corresponding path program 1 times [2023-11-21 22:13:38,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:38,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556913076] [2023-11-21 22:13:38,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:38,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:38,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:38,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556913076] [2023-11-21 22:13:38,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556913076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:38,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:38,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:38,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028925664] [2023-11-21 22:13:38,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:38,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:13:38,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:38,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:13:38,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:38,189 INFO L87 Difference]: Start difference. First operand 167 states and 169 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-11-21 22:13:38,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:38,278 INFO L93 Difference]: Finished difference Result 167 states and 169 transitions. [2023-11-21 22:13:38,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:13:38,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2023-11-21 22:13:38,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:38,286 INFO L225 Difference]: With dead ends: 167 [2023-11-21 22:13:38,286 INFO L226 Difference]: Without dead ends: 166 [2023-11-21 22:13:38,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:13:38,289 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 169 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:38,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 320 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:13:38,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-21 22:13:38,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2023-11-21 22:13:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 91 states have (on average 1.8021978021978022) internal successors, (164), 162 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 168 transitions. [2023-11-21 22:13:38,325 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 168 transitions. Word has length 3 [2023-11-21 22:13:38,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:38,325 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 168 transitions. [2023-11-21 22:13:38,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-11-21 22:13:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 168 transitions. [2023-11-21 22:13:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:13:38,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:38,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:13:38,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:13:38,327 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:38,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:38,335 INFO L85 PathProgramCache]: Analyzing trace with hash 7938373, now seen corresponding path program 1 times [2023-11-21 22:13:38,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:38,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150033185] [2023-11-21 22:13:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:38,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:38,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:38,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150033185] [2023-11-21 22:13:38,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150033185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:38,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:38,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:38,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878594602] [2023-11-21 22:13:38,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:38,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:13:38,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:38,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:13:38,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:38,397 INFO L87 Difference]: Start difference. First operand 166 states and 168 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-21 22:13:38,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:38,440 INFO L93 Difference]: Finished difference Result 244 states and 246 transitions. [2023-11-21 22:13:38,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:13:38,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-11-21 22:13:38,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:38,443 INFO L225 Difference]: With dead ends: 244 [2023-11-21 22:13:38,443 INFO L226 Difference]: Without dead ends: 170 [2023-11-21 22:13:38,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:13:38,446 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 3 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:38,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 485 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:13:38,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-21 22:13:38,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2023-11-21 22:13:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 95 states have (on average 1.768421052631579) internal successors, (168), 166 states have internal predecessors, (168), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:38,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 172 transitions. [2023-11-21 22:13:38,461 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 172 transitions. Word has length 4 [2023-11-21 22:13:38,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:38,462 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 172 transitions. [2023-11-21 22:13:38,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-21 22:13:38,462 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 172 transitions. [2023-11-21 22:13:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 22:13:38,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:38,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:13:38,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:13:38,464 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:38,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:38,465 INFO L85 PathProgramCache]: Analyzing trace with hash -961156441, now seen corresponding path program 1 times [2023-11-21 22:13:38,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:38,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908337986] [2023-11-21 22:13:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:38,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:38,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:38,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908337986] [2023-11-21 22:13:38,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908337986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:38,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:38,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:13:38,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971301091] [2023-11-21 22:13:38,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:38,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:13:38,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:38,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:13:38,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:38,511 INFO L87 Difference]: Start difference. First operand 170 states and 172 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-21 22:13:38,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:38,818 INFO L93 Difference]: Finished difference Result 170 states and 172 transitions. [2023-11-21 22:13:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:38,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2023-11-21 22:13:38,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:38,820 INFO L225 Difference]: With dead ends: 170 [2023-11-21 22:13:38,820 INFO L226 Difference]: Without dead ends: 150 [2023-11-21 22:13:38,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:38,822 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 137 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:38,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 26 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 22:13:38,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-21 22:13:38,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2023-11-21 22:13:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 95 states have (on average 1.5578947368421052) internal successors, (148), 146 states have internal predecessors, (148), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 152 transitions. [2023-11-21 22:13:38,843 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 152 transitions. Word has length 6 [2023-11-21 22:13:38,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:38,843 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 152 transitions. [2023-11-21 22:13:38,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-21 22:13:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 152 transitions. [2023-11-21 22:13:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 22:13:38,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:38,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:38,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:13:38,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:38,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:38,847 INFO L85 PathProgramCache]: Analyzing trace with hash 268921458, now seen corresponding path program 1 times [2023-11-21 22:13:38,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:38,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106640395] [2023-11-21 22:13:38,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:38,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:38,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:38,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106640395] [2023-11-21 22:13:38,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106640395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:38,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:38,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:13:38,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737838007] [2023-11-21 22:13:38,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:38,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:13:38,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:38,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:13:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:38,929 INFO L87 Difference]: Start difference. First operand 150 states and 152 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-21 22:13:39,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:39,260 INFO L93 Difference]: Finished difference Result 275 states and 279 transitions. [2023-11-21 22:13:39,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:39,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2023-11-21 22:13:39,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:39,262 INFO L225 Difference]: With dead ends: 275 [2023-11-21 22:13:39,262 INFO L226 Difference]: Without dead ends: 256 [2023-11-21 22:13:39,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:39,264 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 102 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:39,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 80 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 22:13:39,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-21 22:13:39,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 218. [2023-11-21 22:13:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 162 states have (on average 1.4444444444444444) internal successors, (234), 213 states have internal predecessors, (234), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:13:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 240 transitions. [2023-11-21 22:13:39,279 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 240 transitions. Word has length 7 [2023-11-21 22:13:39,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:39,280 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 240 transitions. [2023-11-21 22:13:39,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-21 22:13:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 240 transitions. [2023-11-21 22:13:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 22:13:39,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:39,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:39,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:13:39,282 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:39,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:39,283 INFO L85 PathProgramCache]: Analyzing trace with hash 735485268, now seen corresponding path program 1 times [2023-11-21 22:13:39,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:39,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073274896] [2023-11-21 22:13:39,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:39,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:39,293 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:39,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [48027] [2023-11-21 22:13:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:39,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:39,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:39,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:39,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:13:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:39,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:13:39,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:39,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:39,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:39,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:39,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073274896] [2023-11-21 22:13:39,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:39,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48027] [2023-11-21 22:13:39,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:39,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:39,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:13:39,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646275236] [2023-11-21 22:13:39,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:39,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:13:39,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:39,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:13:39,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:39,388 INFO L87 Difference]: Start difference. First operand 218 states and 240 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-21 22:13:39,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:39,663 INFO L93 Difference]: Finished difference Result 256 states and 260 transitions. [2023-11-21 22:13:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:39,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2023-11-21 22:13:39,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:39,665 INFO L225 Difference]: With dead ends: 256 [2023-11-21 22:13:39,665 INFO L226 Difference]: Without dead ends: 238 [2023-11-21 22:13:39,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:39,667 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 87 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:39,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 97 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 22:13:39,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-21 22:13:39,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 224. [2023-11-21 22:13:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 168 states have (on average 1.3988095238095237) internal successors, (235), 219 states have internal predecessors, (235), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:13:39,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 241 transitions. [2023-11-21 22:13:39,690 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 241 transitions. Word has length 9 [2023-11-21 22:13:39,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:39,691 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 241 transitions. [2023-11-21 22:13:39,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-21 22:13:39,692 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 241 transitions. [2023-11-21 22:13:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 22:13:39,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:39,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:39,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:39,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:39,907 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:39,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:39,907 INFO L85 PathProgramCache]: Analyzing trace with hash 108240387, now seen corresponding path program 1 times [2023-11-21 22:13:39,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:39,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885978143] [2023-11-21 22:13:39,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:39,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:39,920 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:39,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732600938] [2023-11-21 22:13:39,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:39,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:39,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:39,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:39,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 22:13:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:39,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:13:39,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:40,071 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:40,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:40,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885978143] [2023-11-21 22:13:40,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:40,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732600938] [2023-11-21 22:13:40,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732600938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:40,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:40,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:13:40,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699084038] [2023-11-21 22:13:40,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:40,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:13:40,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:40,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:13:40,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:40,076 INFO L87 Difference]: Start difference. First operand 224 states and 241 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2023-11-21 22:13:40,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:40,126 INFO L93 Difference]: Finished difference Result 224 states and 241 transitions. [2023-11-21 22:13:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:40,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2023-11-21 22:13:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:40,129 INFO L225 Difference]: With dead ends: 224 [2023-11-21 22:13:40,129 INFO L226 Difference]: Without dead ends: 221 [2023-11-21 22:13:40,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:40,132 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 106 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:40,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 120 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:13:40,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-11-21 22:13:40,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2023-11-21 22:13:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 168 states have (on average 1.369047619047619) internal successors, (230), 216 states have internal predecessors, (230), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:13:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 236 transitions. [2023-11-21 22:13:40,145 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 236 transitions. Word has length 34 [2023-11-21 22:13:40,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:40,146 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 236 transitions. [2023-11-21 22:13:40,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2023-11-21 22:13:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 236 transitions. [2023-11-21 22:13:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 22:13:40,147 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:40,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:40,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:40,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:40,360 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:40,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash -939515186, now seen corresponding path program 1 times [2023-11-21 22:13:40,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:40,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213681386] [2023-11-21 22:13:40,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:40,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:40,376 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:40,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149819682] [2023-11-21 22:13:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:40,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:40,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:40,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:40,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 22:13:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:40,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:13:40,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:40,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:40,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:40,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213681386] [2023-11-21 22:13:40,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:40,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149819682] [2023-11-21 22:13:40,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149819682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:40,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:40,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:13:40,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184016401] [2023-11-21 22:13:40,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:40,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:13:40,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:40,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:13:40,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:40,502 INFO L87 Difference]: Start difference. First operand 221 states and 236 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2023-11-21 22:13:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:40,583 INFO L93 Difference]: Finished difference Result 245 states and 248 transitions. [2023-11-21 22:13:40,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:40,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 35 [2023-11-21 22:13:40,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:40,586 INFO L225 Difference]: With dead ends: 245 [2023-11-21 22:13:40,586 INFO L226 Difference]: Without dead ends: 243 [2023-11-21 22:13:40,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:40,587 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 65 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:40,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 239 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:13:40,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-11-21 22:13:40,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 221. [2023-11-21 22:13:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 168 states have (on average 1.3571428571428572) internal successors, (228), 216 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:13:40,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 234 transitions. [2023-11-21 22:13:40,604 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 234 transitions. Word has length 35 [2023-11-21 22:13:40,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:40,610 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 234 transitions. [2023-11-21 22:13:40,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2023-11-21 22:13:40,612 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 234 transitions. [2023-11-21 22:13:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 22:13:40,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:40,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:40,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:40,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:40,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:40,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:40,829 INFO L85 PathProgramCache]: Analyzing trace with hash 939800421, now seen corresponding path program 1 times [2023-11-21 22:13:40,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:40,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881911433] [2023-11-21 22:13:40,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:40,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:40,841 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:40,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828329941] [2023-11-21 22:13:40,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:40,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:40,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:40,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:40,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 22:13:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:40,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:13:40,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:41,013 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:41,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:41,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881911433] [2023-11-21 22:13:41,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:41,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828329941] [2023-11-21 22:13:41,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828329941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:41,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:41,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:41,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999223778] [2023-11-21 22:13:41,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:41,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:13:41,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:41,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:13:41,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:41,016 INFO L87 Difference]: Start difference. First operand 221 states and 234 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-21 22:13:41,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:41,408 INFO L93 Difference]: Finished difference Result 243 states and 246 transitions. [2023-11-21 22:13:41,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:41,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 [2023-11-21 22:13:41,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:41,410 INFO L225 Difference]: With dead ends: 243 [2023-11-21 22:13:41,410 INFO L226 Difference]: Without dead ends: 239 [2023-11-21 22:13:41,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:41,411 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 89 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:41,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 192 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-21 22:13:41,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-11-21 22:13:41,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2023-11-21 22:13:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 168 states have (on average 1.3333333333333333) internal successors, (224), 216 states have internal predecessors, (224), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:13:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 230 transitions. [2023-11-21 22:13:41,423 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 230 transitions. Word has length 36 [2023-11-21 22:13:41,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:41,428 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 230 transitions. [2023-11-21 22:13:41,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-21 22:13:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 230 transitions. [2023-11-21 22:13:41,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 22:13:41,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:41,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:41,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-21 22:13:41,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:41,646 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:41,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:41,647 INFO L85 PathProgramCache]: Analyzing trace with hash -930957904, now seen corresponding path program 1 times [2023-11-21 22:13:41,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:41,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506287301] [2023-11-21 22:13:41,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:41,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:41,656 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:41,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209384418] [2023-11-21 22:13:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:41,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:41,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:41,659 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:41,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-21 22:13:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:41,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:13:41,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:41,810 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:41,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:41,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506287301] [2023-11-21 22:13:41,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:41,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209384418] [2023-11-21 22:13:41,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209384418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:41,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:41,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:41,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287540521] [2023-11-21 22:13:41,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:41,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:13:41,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:41,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:13:41,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:41,813 INFO L87 Difference]: Start difference. First operand 221 states and 230 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2023-11-21 22:13:42,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:42,090 INFO L93 Difference]: Finished difference Result 236 states and 245 transitions. [2023-11-21 22:13:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:13:42,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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 37 [2023-11-21 22:13:42,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:42,092 INFO L225 Difference]: With dead ends: 236 [2023-11-21 22:13:42,092 INFO L226 Difference]: Without dead ends: 182 [2023-11-21 22:13:42,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:42,094 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 128 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:42,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 45 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 22:13:42,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-21 22:13:42,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 176. [2023-11-21 22:13:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 140 states have (on average 1.25) internal successors, (175), 171 states have internal predecessors, (175), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:13:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 181 transitions. [2023-11-21 22:13:42,106 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 181 transitions. Word has length 37 [2023-11-21 22:13:42,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:42,106 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 181 transitions. [2023-11-21 22:13:42,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 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) [2023-11-21 22:13:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 181 transitions. [2023-11-21 22:13:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 22:13:42,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:42,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:42,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-21 22:13:42,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:42,320 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:42,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:42,320 INFO L85 PathProgramCache]: Analyzing trace with hash 343286461, now seen corresponding path program 1 times [2023-11-21 22:13:42,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:42,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686973224] [2023-11-21 22:13:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:42,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:42,330 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:42,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881611435] [2023-11-21 22:13:42,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:42,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:42,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:42,332 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:42,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-21 22:13:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:42,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:13:42,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:42,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:42,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:42,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686973224] [2023-11-21 22:13:42,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:42,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881611435] [2023-11-21 22:13:42,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881611435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:42,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:42,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:42,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071968635] [2023-11-21 22:13:42,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:42,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:13:42,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:42,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:13:42,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:42,504 INFO L87 Difference]: Start difference. First operand 176 states and 181 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:42,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:42,523 INFO L93 Difference]: Finished difference Result 176 states and 181 transitions. [2023-11-21 22:13:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:42,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2023-11-21 22:13:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:42,526 INFO L225 Difference]: With dead ends: 176 [2023-11-21 22:13:42,527 INFO L226 Difference]: Without dead ends: 175 [2023-11-21 22:13:42,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:42,528 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 81 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:42,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 122 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:13:42,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-21 22:13:42,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2023-11-21 22:13:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 140 states have (on average 1.2428571428571429) internal successors, (174), 170 states have internal predecessors, (174), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:13:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 180 transitions. [2023-11-21 22:13:42,539 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 180 transitions. Word has length 44 [2023-11-21 22:13:42,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:42,540 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 180 transitions. [2023-11-21 22:13:42,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 180 transitions. [2023-11-21 22:13:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 22:13:42,547 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:42,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:42,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:42,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-21 22:13:42,768 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:42,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:42,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2051945830, now seen corresponding path program 1 times [2023-11-21 22:13:42,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:42,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789207655] [2023-11-21 22:13:42,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:42,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:42,781 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:42,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931213364] [2023-11-21 22:13:42,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:42,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:42,783 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:42,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-21 22:13:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:42,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:13:42,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:42,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:42,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:42,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789207655] [2023-11-21 22:13:42,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:42,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931213364] [2023-11-21 22:13:42,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931213364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:42,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:42,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:42,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051532199] [2023-11-21 22:13:42,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:42,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:13:42,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:42,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:13:42,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:42,904 INFO L87 Difference]: Start difference. First operand 175 states and 180 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:42,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:42,925 INFO L93 Difference]: Finished difference Result 178 states and 183 transitions. [2023-11-21 22:13:42,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:42,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2023-11-21 22:13:42,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:42,928 INFO L225 Difference]: With dead ends: 178 [2023-11-21 22:13:42,928 INFO L226 Difference]: Without dead ends: 177 [2023-11-21 22:13:42,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:42,929 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:42,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 242 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:13:42,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-11-21 22:13:42,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2023-11-21 22:13:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 142 states have (on average 1.2394366197183098) internal successors, (176), 172 states have internal predecessors, (176), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:13:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 182 transitions. [2023-11-21 22:13:42,940 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 182 transitions. Word has length 45 [2023-11-21 22:13:42,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:42,941 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 182 transitions. [2023-11-21 22:13:42,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:42,942 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 182 transitions. [2023-11-21 22:13:42,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 22:13:42,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:42,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:42,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:43,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:43,161 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:43,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:43,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1811442774, now seen corresponding path program 1 times [2023-11-21 22:13:43,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:43,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990373065] [2023-11-21 22:13:43,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:43,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:43,182 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:43,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784913420] [2023-11-21 22:13:43,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:43,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:43,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:43,191 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:43,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-21 22:13:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:13:43,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:43,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:43,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:43,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990373065] [2023-11-21 22:13:43,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:43,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784913420] [2023-11-21 22:13:43,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784913420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:43,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:43,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:13:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766294937] [2023-11-21 22:13:43,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:43,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:13:43,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:43,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:13:43,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:43,352 INFO L87 Difference]: Start difference. First operand 177 states and 182 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:43,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:43,689 INFO L93 Difference]: Finished difference Result 311 states and 321 transitions. [2023-11-21 22:13:43,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:13:43,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-21 22:13:43,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:43,691 INFO L225 Difference]: With dead ends: 311 [2023-11-21 22:13:43,691 INFO L226 Difference]: Without dead ends: 289 [2023-11-21 22:13:43,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:43,693 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 99 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:43,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 93 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 22:13:43,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-21 22:13:43,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 264. [2023-11-21 22:13:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 227 states have (on average 1.198237885462555) internal successors, (272), 257 states have internal predecessors, (272), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:13:43,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 282 transitions. [2023-11-21 22:13:43,709 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 282 transitions. Word has length 49 [2023-11-21 22:13:43,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:43,709 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 282 transitions. [2023-11-21 22:13:43,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 282 transitions. [2023-11-21 22:13:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 22:13:43,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:43,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:43,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:43,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:43,930 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:43,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:43,931 INFO L85 PathProgramCache]: Analyzing trace with hash -2140192496, now seen corresponding path program 1 times [2023-11-21 22:13:43,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:43,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990070780] [2023-11-21 22:13:43,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:43,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:43,942 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:43,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043170171] [2023-11-21 22:13:43,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:43,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:43,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:43,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:43,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-21 22:13:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:13:43,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:44,094 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:44,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:44,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990070780] [2023-11-21 22:13:44,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:44,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043170171] [2023-11-21 22:13:44,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043170171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:44,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:44,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:13:44,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663444140] [2023-11-21 22:13:44,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:44,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:13:44,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:44,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:13:44,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:44,097 INFO L87 Difference]: Start difference. First operand 264 states and 282 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:44,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:44,332 INFO L93 Difference]: Finished difference Result 265 states and 282 transitions. [2023-11-21 22:13:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:13:44,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2023-11-21 22:13:44,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:44,335 INFO L225 Difference]: With dead ends: 265 [2023-11-21 22:13:44,335 INFO L226 Difference]: Without dead ends: 264 [2023-11-21 22:13:44,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:44,336 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 42 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:44,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 206 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:13:44,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-21 22:13:44,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2023-11-21 22:13:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 227 states have (on average 1.1938325991189427) internal successors, (271), 257 states have internal predecessors, (271), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:13:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 281 transitions. [2023-11-21 22:13:44,350 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 281 transitions. Word has length 55 [2023-11-21 22:13:44,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:44,351 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 281 transitions. [2023-11-21 22:13:44,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 281 transitions. [2023-11-21 22:13:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 22:13:44,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:44,353 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:44,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-21 22:13:44,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-21 22:13:44,568 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:44,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:44,569 INFO L85 PathProgramCache]: Analyzing trace with hash 314904542, now seen corresponding path program 1 times [2023-11-21 22:13:44,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:44,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200287793] [2023-11-21 22:13:44,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:44,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:44,594 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:44,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103037893] [2023-11-21 22:13:44,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:44,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:44,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:44,601 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:44,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-21 22:13:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:44,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:13:44,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:44,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:44,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:44,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200287793] [2023-11-21 22:13:44,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:44,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103037893] [2023-11-21 22:13:44,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103037893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:44,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:44,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:13:44,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898420112] [2023-11-21 22:13:44,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:44,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:13:44,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:44,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:13:44,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:13:44,770 INFO L87 Difference]: Start difference. First operand 264 states and 281 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:44,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:44,830 INFO L93 Difference]: Finished difference Result 343 states and 362 transitions. [2023-11-21 22:13:44,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:13:44,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2023-11-21 22:13:44,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:44,834 INFO L225 Difference]: With dead ends: 343 [2023-11-21 22:13:44,834 INFO L226 Difference]: Without dead ends: 342 [2023-11-21 22:13:44,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:13:44,837 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 71 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:44,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 556 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:13:44,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-11-21 22:13:44,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 325. [2023-11-21 22:13:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 286 states have (on average 1.1783216783216783) internal successors, (337), 317 states have internal predecessors, (337), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 22:13:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 351 transitions. [2023-11-21 22:13:44,855 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 351 transitions. Word has length 58 [2023-11-21 22:13:44,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:44,856 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 351 transitions. [2023-11-21 22:13:44,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 351 transitions. [2023-11-21 22:13:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-21 22:13:44,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:44,858 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:44,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:45,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-21 22:13:45,071 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:45,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:45,071 INFO L85 PathProgramCache]: Analyzing trace with hash -705894925, now seen corresponding path program 1 times [2023-11-21 22:13:45,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:45,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641422008] [2023-11-21 22:13:45,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:45,085 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:45,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1921638906] [2023-11-21 22:13:45,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:45,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:45,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:45,087 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:45,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-21 22:13:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:45,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:13:45,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:45,422 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:13:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:45,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:45,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641422008] [2023-11-21 22:13:45,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:45,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921638906] [2023-11-21 22:13:45,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921638906] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:13:45,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:13:45,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-21 22:13:45,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902402639] [2023-11-21 22:13:45,687 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:13:45,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:13:45,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:45,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:13:45,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:13:45,690 INFO L87 Difference]: Start difference. First operand 325 states and 351 transitions. Second operand has 8 states, 7 states have (on average 24.714285714285715) internal successors, (173), 8 states have internal predecessors, (173), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:46,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:46,366 INFO L93 Difference]: Finished difference Result 430 states and 451 transitions. [2023-11-21 22:13:46,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:13:46,367 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.714285714285715) internal successors, (173), 8 states have internal predecessors, (173), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 89 [2023-11-21 22:13:46,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:46,371 INFO L225 Difference]: With dead ends: 430 [2023-11-21 22:13:46,371 INFO L226 Difference]: Without dead ends: 424 [2023-11-21 22:13:46,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:13:46,372 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 275 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:46,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 246 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-21 22:13:46,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-21 22:13:46,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 401. [2023-11-21 22:13:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 362 states have (on average 1.1795580110497237) internal successors, (427), 393 states have internal predecessors, (427), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 22:13:46,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 441 transitions. [2023-11-21 22:13:46,392 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 441 transitions. Word has length 89 [2023-11-21 22:13:46,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:46,393 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 441 transitions. [2023-11-21 22:13:46,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.714285714285715) internal successors, (173), 8 states have internal predecessors, (173), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:46,393 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 441 transitions. [2023-11-21 22:13:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-21 22:13:46,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:46,394 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:46,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:46,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-21 22:13:46,607 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:46,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:46,607 INFO L85 PathProgramCache]: Analyzing trace with hash -407905979, now seen corresponding path program 1 times [2023-11-21 22:13:46,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:46,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037654654] [2023-11-21 22:13:46,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:46,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:46,620 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:46,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [852502435] [2023-11-21 22:13:46,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:46,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:46,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:46,622 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:46,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-21 22:13:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:46,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:13:46,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:47,009 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:13:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:49,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:49,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037654654] [2023-11-21 22:13:49,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:49,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852502435] [2023-11-21 22:13:49,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852502435] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-21 22:13:49,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:13:49,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2023-11-21 22:13:49,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892611596] [2023-11-21 22:13:49,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:49,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:13:49,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:49,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:13:49,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=30, Unknown=1, NotChecked=0, Total=56 [2023-11-21 22:13:49,416 INFO L87 Difference]: Start difference. First operand 401 states and 441 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:49,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:49,777 INFO L93 Difference]: Finished difference Result 401 states and 441 transitions. [2023-11-21 22:13:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:13:49,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90 [2023-11-21 22:13:49,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:49,781 INFO L225 Difference]: With dead ends: 401 [2023-11-21 22:13:49,781 INFO L226 Difference]: Without dead ends: 399 [2023-11-21 22:13:49,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=25, Invalid=30, Unknown=1, NotChecked=0, Total=56 [2023-11-21 22:13:49,782 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 160 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:49,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 28 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 22:13:49,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2023-11-21 22:13:49,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2023-11-21 22:13:49,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 362 states have (on average 1.1629834254143647) internal successors, (421), 391 states have internal predecessors, (421), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 22:13:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 435 transitions. [2023-11-21 22:13:49,804 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 435 transitions. Word has length 90 [2023-11-21 22:13:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:49,804 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 435 transitions. [2023-11-21 22:13:49,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 435 transitions. [2023-11-21 22:13:49,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-21 22:13:49,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:49,806 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:49,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:50,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-21 22:13:50,020 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:50,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:50,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1155614905, now seen corresponding path program 1 times [2023-11-21 22:13:50,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:50,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221521097] [2023-11-21 22:13:50,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:50,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:50,033 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:50,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618725399] [2023-11-21 22:13:50,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:50,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:50,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:50,035 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:50,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-21 22:13:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:13:50,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:50,407 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:13:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 22:13:50,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:50,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221521097] [2023-11-21 22:13:50,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:50,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618725399] [2023-11-21 22:13:50,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618725399] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-21 22:13:50,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:13:50,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-21 22:13:50,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817868702] [2023-11-21 22:13:50,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:50,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:13:50,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:50,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:13:50,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:13:50,757 INFO L87 Difference]: Start difference. First operand 399 states and 435 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:51,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:51,290 INFO L93 Difference]: Finished difference Result 399 states and 435 transitions. [2023-11-21 22:13:51,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:13:51,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 92 [2023-11-21 22:13:51,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:51,293 INFO L225 Difference]: With dead ends: 399 [2023-11-21 22:13:51,293 INFO L226 Difference]: Without dead ends: 397 [2023-11-21 22:13:51,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:13:51,294 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 74 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:51,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 28 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-21 22:13:51,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-11-21 22:13:51,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2023-11-21 22:13:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 362 states have (on average 1.1464088397790055) internal successors, (415), 389 states have internal predecessors, (415), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 22:13:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 429 transitions. [2023-11-21 22:13:51,321 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 429 transitions. Word has length 92 [2023-11-21 22:13:51,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:51,321 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 429 transitions. [2023-11-21 22:13:51,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:13:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 429 transitions. [2023-11-21 22:13:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-21 22:13:51,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:51,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:51,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:51,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-21 22:13:51,543 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:51,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:51,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1414672135, now seen corresponding path program 1 times [2023-11-21 22:13:51,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:51,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289906426] [2023-11-21 22:13:51,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:51,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:51,554 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:51,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075653645] [2023-11-21 22:13:51,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:51,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:51,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:51,556 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:51,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-21 22:13:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:51,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:13:51,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:13:51,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:13:52,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:52,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289906426] [2023-11-21 22:13:52,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:52,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075653645] [2023-11-21 22:13:52,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075653645] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:13:52,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:13:52,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-21 22:13:52,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434104336] [2023-11-21 22:13:52,180 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-21 22:13:52,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:13:52,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:52,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:13:52,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:13:52,182 INFO L87 Difference]: Start difference. First operand 397 states and 429 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:52,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:52,429 INFO L93 Difference]: Finished difference Result 397 states and 429 transitions. [2023-11-21 22:13:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:13:52,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 97 [2023-11-21 22:13:52,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:52,433 INFO L225 Difference]: With dead ends: 397 [2023-11-21 22:13:52,433 INFO L226 Difference]: Without dead ends: 396 [2023-11-21 22:13:52,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:13:52,434 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 143 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:52,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 44 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:13:52,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-11-21 22:13:52,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2023-11-21 22:13:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 362 states have (on average 1.1408839779005524) internal successors, (413), 388 states have internal predecessors, (413), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 22:13:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 427 transitions. [2023-11-21 22:13:52,457 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 427 transitions. Word has length 97 [2023-11-21 22:13:52,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:52,458 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 427 transitions. [2023-11-21 22:13:52,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:52,458 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 427 transitions. [2023-11-21 22:13:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-21 22:13:52,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:52,459 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:52,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-21 22:13:52,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:52,672 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:13:52,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:52,673 INFO L85 PathProgramCache]: Analyzing trace with hash 905163452, now seen corresponding path program 1 times [2023-11-21 22:13:52,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:52,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501836830] [2023-11-21 22:13:52,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:52,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:52,694 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:13:52,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172344468] [2023-11-21 22:13:52,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:52,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:52,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:52,698 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:52,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-21 22:13:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:52,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:13:52,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:53,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:13:53,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:13:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:13:53,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:53,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501836830] [2023-11-21 22:13:53,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:13:53,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172344468] [2023-11-21 22:13:53,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172344468] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:13:53,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:13:53,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-21 22:13:53,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457035219] [2023-11-21 22:13:53,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:13:53,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:13:53,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:53,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:13:53,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:13:53,579 INFO L87 Difference]: Start difference. First operand 396 states and 427 transitions. Second operand has 6 states, 5 states have (on average 37.0) internal successors, (185), 6 states have internal predecessors, (185), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-21 22:13:56,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:13:58,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:00,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:02,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:04,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:06,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:08,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:10,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:12,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:14,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:16,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:19,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:21,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:23,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:25,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:27,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:29,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-21 22:14:30,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:30,400 INFO L93 Difference]: Finished difference Result 617 states and 650 transitions. [2023-11-21 22:14:30,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:14:30,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 37.0) internal successors, (185), 6 states have internal predecessors, (185), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 98 [2023-11-21 22:14:30,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:30,406 INFO L225 Difference]: With dead ends: 617 [2023-11-21 22:14:30,406 INFO L226 Difference]: Without dead ends: 544 [2023-11-21 22:14:30,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:30,408 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 232 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 4 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:30,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 94 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 534 Invalid, 17 Unknown, 0 Unchecked, 36.7s Time] [2023-11-21 22:14:30,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2023-11-21 22:14:30,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 454. [2023-11-21 22:14:30,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 418 states have (on average 1.1913875598086126) internal successors, (498), 444 states have internal predecessors, (498), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-21 22:14:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 516 transitions. [2023-11-21 22:14:30,445 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 516 transitions. Word has length 98 [2023-11-21 22:14:30,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:30,445 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 516 transitions. [2023-11-21 22:14:30,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 37.0) internal successors, (185), 6 states have internal predecessors, (185), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-21 22:14:30,446 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 516 transitions. [2023-11-21 22:14:30,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-21 22:14:30,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:30,447 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:14:30,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:30,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:30,680 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:14:30,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:30,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1153251603, now seen corresponding path program 1 times [2023-11-21 22:14:30,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:30,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302559706] [2023-11-21 22:14:30,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:30,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:30,701 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:14:30,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619969873] [2023-11-21 22:14:30,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:30,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:30,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:30,703 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:14:30,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-21 22:14:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:30,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:14:30,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:14:31,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:14:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:14:31,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:31,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302559706] [2023-11-21 22:14:31,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:14:31,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619969873] [2023-11-21 22:14:31,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619969873] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:14:31,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:14:31,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-21 22:14:31,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125554685] [2023-11-21 22:14:31,213 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:14:31,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:14:31,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:31,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:14:31,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:14:31,216 INFO L87 Difference]: Start difference. First operand 454 states and 516 transitions. Second operand has 6 states, 5 states have (on average 37.4) internal successors, (187), 6 states have internal predecessors, (187), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-21 22:14:31,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:31,306 INFO L93 Difference]: Finished difference Result 543 states and 572 transitions. [2023-11-21 22:14:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:14:31,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 37.4) internal successors, (187), 6 states have internal predecessors, (187), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 99 [2023-11-21 22:14:31,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:31,311 INFO L225 Difference]: With dead ends: 543 [2023-11-21 22:14:31,311 INFO L226 Difference]: Without dead ends: 542 [2023-11-21 22:14:31,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:14:31,313 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 184 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:31,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 489 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:14:31,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2023-11-21 22:14:31,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 456. [2023-11-21 22:14:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 420 states have (on average 1.1857142857142857) internal successors, (498), 446 states have internal predecessors, (498), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-21 22:14:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 516 transitions. [2023-11-21 22:14:31,354 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 516 transitions. Word has length 99 [2023-11-21 22:14:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:31,354 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 516 transitions. [2023-11-21 22:14:31,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 37.4) internal successors, (187), 6 states have internal predecessors, (187), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-21 22:14:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 516 transitions. [2023-11-21 22:14:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-21 22:14:31,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:31,357 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-11-21 22:14:31,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:31,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:31,575 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-21 22:14:31,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:31,576 INFO L85 PathProgramCache]: Analyzing trace with hash -610733602, now seen corresponding path program 1 times [2023-11-21 22:14:31,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:31,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204724040] [2023-11-21 22:14:31,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:31,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:31,595 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:14:31,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [568235719] [2023-11-21 22:14:31,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:31,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:31,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:31,597 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:14:31,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-21 22:14:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:31,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:14:31,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:14:31,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:14:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:14:31,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:31,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204724040] [2023-11-21 22:14:31,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 22:14:31,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568235719] [2023-11-21 22:14:31,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568235719] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:14:31,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:14:31,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 6 [2023-11-21 22:14:31,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917407363] [2023-11-21 22:14:31,995 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:14:31,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:14:31,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:31,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:14:31,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:14:31,998 INFO L87 Difference]: Start difference. First operand 456 states and 516 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:14:32,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:32,052 INFO L93 Difference]: Finished difference Result 458 states and 517 transitions. [2023-11-21 22:14:32,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:14:32,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 115 [2023-11-21 22:14:32,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:32,053 INFO L225 Difference]: With dead ends: 458 [2023-11-21 22:14:32,054 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:14:32,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 221 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:14:32,056 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 5 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:32,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 98 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:14:32,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:14:32,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:14:32,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-21 22:14:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:14:32,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 115 [2023-11-21 22:14:32,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:32,059 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:14:32,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:14:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:14:32,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:14:32,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 86 remaining) [2023-11-21 22:14:32,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 86 remaining) [2023-11-21 22:14:32,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 86 remaining) [2023-11-21 22:14:32,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 86 remaining) [2023-11-21 22:14:32,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 86 remaining) [2023-11-21 22:14:32,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 86 remaining) [2023-11-21 22:14:32,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 86 remaining) [2023-11-21 22:14:32,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 86 remaining) [2023-11-21 22:14:32,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 86 remaining) [2023-11-21 22:14:32,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 86 remaining) [2023-11-21 22:14:32,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 86 remaining) [2023-11-21 22:14:32,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 86 remaining) [2023-11-21 22:14:32,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 86 remaining) [2023-11-21 22:14:32,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 86 remaining) [2023-11-21 22:14:32,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 86 remaining) [2023-11-21 22:14:32,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 86 remaining) [2023-11-21 22:14:32,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 86 remaining) [2023-11-21 22:14:32,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 86 remaining) [2023-11-21 22:14:32,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 86 remaining) [2023-11-21 22:14:32,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 86 remaining) [2023-11-21 22:14:32,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 86 remaining) [2023-11-21 22:14:32,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 86 remaining) [2023-11-21 22:14:32,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 86 remaining) [2023-11-21 22:14:32,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 86 remaining) [2023-11-21 22:14:32,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 86 remaining) [2023-11-21 22:14:32,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 86 remaining) [2023-11-21 22:14:32,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 86 remaining) [2023-11-21 22:14:32,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 86 remaining) [2023-11-21 22:14:32,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 86 remaining) [2023-11-21 22:14:32,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 86 remaining) [2023-11-21 22:14:32,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 86 remaining) [2023-11-21 22:14:32,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 86 remaining) [2023-11-21 22:14:32,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 86 remaining) [2023-11-21 22:14:32,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 86 remaining) [2023-11-21 22:14:32,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 86 remaining) [2023-11-21 22:14:32,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 86 remaining) [2023-11-21 22:14:32,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 86 remaining) [2023-11-21 22:14:32,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 86 remaining) [2023-11-21 22:14:32,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 86 remaining) [2023-11-21 22:14:32,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 86 remaining) [2023-11-21 22:14:32,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 86 remaining) [2023-11-21 22:14:32,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 86 remaining) [2023-11-21 22:14:32,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 86 remaining) [2023-11-21 22:14:32,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 86 remaining) [2023-11-21 22:14:32,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 86 remaining) [2023-11-21 22:14:32,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 86 remaining) [2023-11-21 22:14:32,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 86 remaining) [2023-11-21 22:14:32,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 86 remaining) [2023-11-21 22:14:32,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 86 remaining) [2023-11-21 22:14:32,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 86 remaining) [2023-11-21 22:14:32,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 86 remaining) [2023-11-21 22:14:32,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 86 remaining) [2023-11-21 22:14:32,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 86 remaining) [2023-11-21 22:14:32,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 86 remaining) [2023-11-21 22:14:32,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 86 remaining) [2023-11-21 22:14:32,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 86 remaining) [2023-11-21 22:14:32,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 86 remaining) [2023-11-21 22:14:32,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 86 remaining) [2023-11-21 22:14:32,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 86 remaining) [2023-11-21 22:14:32,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 86 remaining) [2023-11-21 22:14:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 86 remaining) [2023-11-21 22:14:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 86 remaining) [2023-11-21 22:14:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 86 remaining) [2023-11-21 22:14:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 86 remaining) [2023-11-21 22:14:32,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 86 remaining) [2023-11-21 22:14:32,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 86 remaining) [2023-11-21 22:14:32,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 86 remaining) [2023-11-21 22:14:32,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 86 remaining) [2023-11-21 22:14:32,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 86 remaining) [2023-11-21 22:14:32,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 86 remaining) [2023-11-21 22:14:32,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 86 remaining) [2023-11-21 22:14:32,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 86 remaining) [2023-11-21 22:14:32,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 86 remaining) [2023-11-21 22:14:32,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 86 remaining) [2023-11-21 22:14:32,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 86 remaining) [2023-11-21 22:14:32,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 86 remaining) [2023-11-21 22:14:32,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 86 remaining) [2023-11-21 22:14:32,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 86 remaining) [2023-11-21 22:14:32,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 86 remaining) [2023-11-21 22:14:32,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 86 remaining) [2023-11-21 22:14:32,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 86 remaining) [2023-11-21 22:14:32,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 86 remaining) [2023-11-21 22:14:32,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 86 remaining) [2023-11-21 22:14:32,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 86 remaining) [2023-11-21 22:14:32,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 86 remaining) [2023-11-21 22:14:32,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 86 remaining) [2023-11-21 22:14:32,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:32,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-21 22:14:32,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:14:32,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,460 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,460 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,461 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,461 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,461 INFO L899 garLoopResultBuilder]: For program point L36-4(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,461 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,461 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,461 INFO L899 garLoopResultBuilder]: For program point L36-7(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-21 22:14:32,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-21 22:14:32,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,464 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,465 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,465 INFO L899 garLoopResultBuilder]: For program point L39-2(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,465 INFO L899 garLoopResultBuilder]: For program point L39-3(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,465 INFO L899 garLoopResultBuilder]: For program point L39-4(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,465 INFO L899 garLoopResultBuilder]: For program point L39-5(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,466 INFO L899 garLoopResultBuilder]: For program point L39-6(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,466 INFO L899 garLoopResultBuilder]: For program point L39-7(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,466 INFO L899 garLoopResultBuilder]: For program point L39-8(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,466 INFO L899 garLoopResultBuilder]: For program point L39-9(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,466 INFO L899 garLoopResultBuilder]: For program point L39-10(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,467 INFO L899 garLoopResultBuilder]: For program point L39-11(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,467 INFO L899 garLoopResultBuilder]: For program point L39-12(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,467 INFO L899 garLoopResultBuilder]: For program point L39-13(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,467 INFO L899 garLoopResultBuilder]: For program point L39-14(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,467 INFO L899 garLoopResultBuilder]: For program point L39-15(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,468 INFO L899 garLoopResultBuilder]: For program point L39-16(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,468 INFO L899 garLoopResultBuilder]: For program point L39-17(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,468 INFO L899 garLoopResultBuilder]: For program point L39-18(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,468 INFO L899 garLoopResultBuilder]: For program point L39-19(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,469 INFO L899 garLoopResultBuilder]: For program point L39-20(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,469 INFO L899 garLoopResultBuilder]: For program point L39-21(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,469 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-21 22:14:32,469 INFO L899 garLoopResultBuilder]: For program point L39-22(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,469 INFO L899 garLoopResultBuilder]: For program point L39-23(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,469 INFO L899 garLoopResultBuilder]: For program point L39-24(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,470 INFO L899 garLoopResultBuilder]: For program point L39-25(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,470 INFO L899 garLoopResultBuilder]: For program point L39-26(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,470 INFO L899 garLoopResultBuilder]: For program point L39-27(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,470 INFO L899 garLoopResultBuilder]: For program point L39-28(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,470 INFO L899 garLoopResultBuilder]: For program point L39-29(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,471 INFO L899 garLoopResultBuilder]: For program point L39-30(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,471 INFO L899 garLoopResultBuilder]: For program point L39-31(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,471 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-11-21 22:14:32,471 INFO L899 garLoopResultBuilder]: For program point L39-32(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,471 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2023-11-21 22:14:32,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,472 INFO L895 garLoopResultBuilder]: At program point L39-33(line 39) the Hoare annotation is: (let ((.cse0 (<= 0 ~counter~0))) (or (and .cse0 (= |ULTIMATE.start_main_~x~0#1| 1) (<= 0 |ULTIMATE.start_main_~c~0#1|) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 256)) (and .cse0 (= |ULTIMATE.start_main_~y~0#1| 0)))) [2023-11-21 22:14:32,472 INFO L899 garLoopResultBuilder]: For program point L40-2(line 40) no Hoare annotation was computed. [2023-11-21 22:14:32,472 INFO L899 garLoopResultBuilder]: For program point L39-34(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,473 INFO L902 garLoopResultBuilder]: At program point L40-3(line 40) the Hoare annotation is: true [2023-11-21 22:14:32,473 INFO L899 garLoopResultBuilder]: For program point L40-4(line 40) no Hoare annotation was computed. [2023-11-21 22:14:32,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:14:32,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-21 22:14:32,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-21 22:14:32,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-21 22:14:32,478 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,478 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,478 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2023-11-21 22:14:32,478 INFO L899 garLoopResultBuilder]: For program point L28-2(line 28) no Hoare annotation was computed. [2023-11-21 22:14:32,478 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 37) no Hoare annotation was computed. [2023-11-21 22:14:32,479 INFO L895 garLoopResultBuilder]: At program point L28-5(lines 28 37) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~k~0#1| 256))) (or (and (= |ULTIMATE.start_main_~c~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= ~counter~0 0) .cse0 (= |ULTIMATE.start_main_~x~0#1| 0)) (and (<= |ULTIMATE.start_main_~c~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 1) (<= 0 |ULTIMATE.start_main_~c~0#1|) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~k~0#1|) .cse0 (= ~counter~0 1)))) [2023-11-21 22:14:32,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,479 INFO L899 garLoopResultBuilder]: For program point L28-6(lines 28 37) no Hoare annotation was computed. [2023-11-21 22:14:32,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-21 22:14:32,480 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,480 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,480 INFO L899 garLoopResultBuilder]: For program point L29-2(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,481 INFO L899 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,481 INFO L899 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,481 INFO L899 garLoopResultBuilder]: For program point L29-5(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,481 INFO L899 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,502 INFO L899 garLoopResultBuilder]: For program point L29-7(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,503 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,503 INFO L899 garLoopResultBuilder]: For program point L29-8(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,503 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,503 INFO L899 garLoopResultBuilder]: For program point L29-9(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,503 INFO L899 garLoopResultBuilder]: For program point L29-10(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,504 INFO L899 garLoopResultBuilder]: For program point L29-11(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,504 INFO L899 garLoopResultBuilder]: For program point L29-12(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,504 INFO L899 garLoopResultBuilder]: For program point L29-13(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,504 INFO L899 garLoopResultBuilder]: For program point L29-14(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,504 INFO L899 garLoopResultBuilder]: For program point L29-15(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,505 INFO L899 garLoopResultBuilder]: For program point L29-16(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,505 INFO L899 garLoopResultBuilder]: For program point L29-17(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,505 INFO L899 garLoopResultBuilder]: For program point L29-18(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,505 INFO L899 garLoopResultBuilder]: For program point L29-19(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,505 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:14:32,505 INFO L899 garLoopResultBuilder]: For program point L29-20(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,505 INFO L899 garLoopResultBuilder]: For program point L29-21(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,506 INFO L899 garLoopResultBuilder]: For program point L29-22(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,506 INFO L899 garLoopResultBuilder]: For program point L29-23(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,506 INFO L899 garLoopResultBuilder]: For program point L29-24(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,506 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,506 INFO L899 garLoopResultBuilder]: For program point L29-25(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,507 INFO L899 garLoopResultBuilder]: For program point L29-26(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,507 INFO L899 garLoopResultBuilder]: For program point L29-27(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,507 INFO L899 garLoopResultBuilder]: For program point L29-28(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,507 INFO L899 garLoopResultBuilder]: For program point L29-29(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,507 INFO L899 garLoopResultBuilder]: For program point L29-30(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,507 INFO L899 garLoopResultBuilder]: For program point L29-31(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,508 INFO L899 garLoopResultBuilder]: For program point L29-32(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,508 INFO L899 garLoopResultBuilder]: For program point L29-33(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,508 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,508 INFO L895 garLoopResultBuilder]: At program point L29-34(line 29) the Hoare annotation is: (and (= |ULTIMATE.start_main_~c~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (<= |ULTIMATE.start_main_~k~0#1| 256) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0)) [2023-11-21 22:14:32,509 INFO L899 garLoopResultBuilder]: For program point L29-35(lines 28 37) no Hoare annotation was computed. [2023-11-21 22:14:32,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-21 22:14:32,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,510 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,510 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,510 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-21 22:14:32,510 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,510 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,512 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,512 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,512 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,512 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,513 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-21 22:14:32,513 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,513 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-21 22:14:32,513 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-21 22:14:32,513 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-21 22:14:32,513 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-21 22:14:32,514 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-21 22:14:32,514 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-21 22:14:32,514 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-21 22:14:32,515 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2023-11-21 22:14:32,515 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-11-21 22:14:32,519 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:14:32,523 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:14:32,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:14:32 BoogieIcfgContainer [2023-11-21 22:14:32,541 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:14:32,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:14:32,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:14:32,542 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:14:32,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:37" (3/4) ... [2023-11-21 22:14:32,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:14:32,550 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 22:14:32,566 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-21 22:14:32,570 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 22:14:32,571 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:14:32,571 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:14:32,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:14:32,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:14:32,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:14:32,735 INFO L158 Benchmark]: Toolchain (without parser) took 56466.83ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 125.5MB in the beginning and 151.3MB in the end (delta: -25.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-21 22:14:32,736 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 159.4MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:14:32,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.58ms. Allocated memory is still 159.4MB. Free memory was 125.5MB in the beginning and 114.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:14:32,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.67ms. Allocated memory is still 159.4MB. Free memory was 114.4MB in the beginning and 112.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:14:32,738 INFO L158 Benchmark]: Boogie Preprocessor took 42.05ms. Allocated memory is still 159.4MB. Free memory was 112.3MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:14:32,749 INFO L158 Benchmark]: RCFGBuilder took 1030.09ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 79.9MB in the end (delta: 30.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 22:14:32,749 INFO L158 Benchmark]: TraceAbstraction took 54906.15ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 79.5MB in the beginning and 157.6MB in the end (delta: -78.0MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2023-11-21 22:14:32,750 INFO L158 Benchmark]: Witness Printer took 192.63ms. Allocated memory is still 192.9MB. Free memory was 157.6MB in the beginning and 151.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:14:32,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 159.4MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.58ms. Allocated memory is still 159.4MB. Free memory was 125.5MB in the beginning and 114.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.67ms. Allocated memory is still 159.4MB. Free memory was 114.4MB in the beginning and 112.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.05ms. Allocated memory is still 159.4MB. Free memory was 112.3MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1030.09ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 79.9MB in the end (delta: 30.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 54906.15ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 79.5MB in the beginning and 157.6MB in the end (delta: -78.0MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Witness Printer took 192.63ms. Allocated memory is still 192.9MB. Free memory was 157.6MB in the beginning and 151.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 183 locations, 86 error locations. Started 1 CEGAR loops. OverallTime: 54.8s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 2279 SdHoareTripleChecker+Valid, 40.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2252 mSDsluCounter, 4020 SdHoareTripleChecker+Invalid, 39.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2202 mSDsCounter, 138 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3455 IncrementalHoareTripleChecker+Invalid, 3610 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 138 mSolverCounterUnsat, 1818 mSDtfsCounter, 3455 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1718 GetRequests, 1645 SyntacticMatches, 4 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=456occurred in iteration=21, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 339 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 20 PreInvPairs, 27 NumberOfFragments, 84 HoareAnnotationTreeSize, 20 FomulaSimplifications, 650 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 1105 NumberOfCodeBlocks, 1105 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1660 ConstructedInterpolants, 0 QuantifiedInterpolants, 12148 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1827 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 28 InterpolantComputations, 17 PerfectInterpolantSequences, 143/257 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 86 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((((c == 0) && (y == 0)) && (counter == 0)) && (k <= 256)) && (x == 0)) || (((((((c <= 1) && (x == 1)) && (0 <= c)) && (y == 1)) && (1 <= k)) && (k <= 256)) && (counter == 1))) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:14:32,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34b69f2-c661-47ae-92c2-73b7535d6fa0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE