./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya --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 82dba59912342fc33baf6f71838a6b7d05440c02338f64f7b1e8151e293c49a7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:53:32,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:53:33,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 06:53:33,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:53:33,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:53:33,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:53:33,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:53:33,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:53:33,096 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:53:33,097 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:53:33,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:53:33,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:53:33,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:53:33,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:53:33,100 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:53:33,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:53:33,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:53:33,101 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:53:33,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:53:33,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:53:33,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:53:33,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:53:33,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:53:33,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:53:33,105 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:53:33,105 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:53:33,105 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:53:33,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:53:33,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:53:33,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:53:33,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:53:33,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:53:33,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:53:33,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:53:33,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:53:33,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:53:33,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:53:33,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:53:33,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:53:33,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:53:33,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:53:33,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:53:33,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:53:33,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:53:33,110 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_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82dba59912342fc33baf6f71838a6b7d05440c02338f64f7b1e8151e293c49a7 [2023-11-29 06:53:33,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:53:33,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:53:33,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:53:33,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:53:33,348 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:53:33,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2023-11-29 06:53:36,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:53:36,255 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:53:36,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2023-11-29 06:53:36,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/data/5d4c211f3/78f3a36a37b64265a554ef5f7d3d5076/FLAGc379d2762 [2023-11-29 06:53:36,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/data/5d4c211f3/78f3a36a37b64265a554ef5f7d3d5076 [2023-11-29 06:53:36,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:53:36,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:53:36,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:36,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:53:36,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:53:36,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4e2642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36, skipping insertion in model container [2023-11-29 06:53:36,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:53:36,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:36,456 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:53:36,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:36,486 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:53:36,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36 WrapperNode [2023-11-29 06:53:36,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:36,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:36,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:53:36,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:53:36,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,522 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-29 06:53:36,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:36,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:53:36,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:53:36,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:53:36,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,535 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,550 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:53:36,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:53:36,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:53:36,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:53:36,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:53:36,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (1/1) ... [2023-11-29 06:53:36,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:53:36,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:36,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:36,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:53:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:53:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:53:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:53:36,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:53:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 06:53:36,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 06:53:36,707 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:53:36,709 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:53:36,975 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:53:37,019 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:53:37,020 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:53:37,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:37 BoogieIcfgContainer [2023-11-29 06:53:37,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:53:37,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:53:37,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:53:37,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:53:37,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:53:36" (1/3) ... [2023-11-29 06:53:37,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167ee681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:53:37, skipping insertion in model container [2023-11-29 06:53:37,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:36" (2/3) ... [2023-11-29 06:53:37,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167ee681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:53:37, skipping insertion in model container [2023-11-29 06:53:37,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:37" (3/3) ... [2023-11-29 06:53:37,031 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_unwindbound50.c [2023-11-29 06:53:37,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:53:37,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2023-11-29 06:53:37,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:53:37,134 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;@a408c85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:53:37,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-11-29 06:53:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 32 states have (on average 1.875) internal successors, (60), 56 states have internal predecessors, (60), 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) [2023-11-29 06:53:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 06:53:37,145 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:37,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 06:53:37,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:37,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:37,152 INFO L85 PathProgramCache]: Analyzing trace with hash 119869, now seen corresponding path program 1 times [2023-11-29 06:53:37,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:37,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379893529] [2023-11-29 06:53:37,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:37,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:37,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:37,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379893529] [2023-11-29 06:53:37,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379893529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:37,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:37,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:53:37,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972498527] [2023-11-29 06:53:37,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:37,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:53:37,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:37,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:53:37,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:53:37,305 INFO L87 Difference]: Start difference. First operand has 60 states, 32 states have (on average 1.875) internal successors, (60), 56 states have internal predecessors, (60), 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) 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) [2023-11-29 06:53:37,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:37,334 INFO L93 Difference]: Finished difference Result 117 states and 129 transitions. [2023-11-29 06:53:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:53:37,336 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 [2023-11-29 06:53:37,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:37,342 INFO L225 Difference]: With dead ends: 117 [2023-11-29 06:53:37,342 INFO L226 Difference]: Without dead ends: 55 [2023-11-29 06:53:37,345 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 [2023-11-29 06:53:37,349 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:37,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:37,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-29 06:53:37,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-29 06:53:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.7419354838709677) internal successors, (54), 52 states have internal predecessors, (54), 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) [2023-11-29 06:53:37,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2023-11-29 06:53:37,385 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 3 [2023-11-29 06:53:37,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:37,385 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2023-11-29 06:53:37,385 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) [2023-11-29 06:53:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2023-11-29 06:53:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 06:53:37,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:37,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 06:53:37,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:53:37,387 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:37,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:37,388 INFO L85 PathProgramCache]: Analyzing trace with hash 118428, now seen corresponding path program 1 times [2023-11-29 06:53:37,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:37,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061654974] [2023-11-29 06:53:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:37,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:37,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:37,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061654974] [2023-11-29 06:53:37,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061654974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:37,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:37,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:53:37,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248719083] [2023-11-29 06:53:37,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:37,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:53:37,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:37,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:53:37,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:37,476 INFO L87 Difference]: Start difference. First operand 55 states and 56 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) [2023-11-29 06:53:37,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:37,524 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2023-11-29 06:53:37,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:53:37,525 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 [2023-11-29 06:53:37,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:37,526 INFO L225 Difference]: With dead ends: 76 [2023-11-29 06:53:37,526 INFO L226 Difference]: Without dead ends: 59 [2023-11-29 06:53:37,527 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 [2023-11-29 06:53:37,528 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 4 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:37,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 151 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:37,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-29 06:53:37,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-29 06:53:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 56 states have internal predecessors, (58), 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) [2023-11-29 06:53:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2023-11-29 06:53:37,538 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 3 [2023-11-29 06:53:37,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:37,538 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2023-11-29 06:53:37,538 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) [2023-11-29 06:53:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2023-11-29 06:53:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 06:53:37,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:37,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:37,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:53:37,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:37,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:37,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1997829763, now seen corresponding path program 1 times [2023-11-29 06:53:37,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:37,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242581047] [2023-11-29 06:53:37,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:37,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:37,556 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:37,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155702927] [2023-11-29 06:53:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:37,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:37,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:53:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:37,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:53:37,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:37,637 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:37,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:37,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242581047] [2023-11-29 06:53:37,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:37,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155702927] [2023-11-29 06:53:37,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155702927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:37,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:37,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:53:37,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324503028] [2023-11-29 06:53:37,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:37,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:37,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:37,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:37,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:37,641 INFO L87 Difference]: Start difference. First operand 59 states and 60 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) [2023-11-29 06:53:37,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:37,738 INFO L93 Difference]: Finished difference Result 99 states and 101 transitions. [2023-11-29 06:53:37,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:37,738 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 [2023-11-29 06:53:37,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:37,740 INFO L225 Difference]: With dead ends: 99 [2023-11-29 06:53:37,740 INFO L226 Difference]: Without dead ends: 95 [2023-11-29 06:53:37,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:37,742 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 33 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:37,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 60 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:37,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-29 06:53:37,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 75. [2023-11-29 06:53:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.64) internal successors, (82), 71 states have internal predecessors, (82), 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) [2023-11-29 06:53:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2023-11-29 06:53:37,751 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 7 [2023-11-29 06:53:37,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:37,752 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2023-11-29 06:53:37,752 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) [2023-11-29 06:53:37,752 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2023-11-29 06:53:37,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 06:53:37,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:37,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:37,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:37,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:37,953 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:37,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:37,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1803180561, now seen corresponding path program 1 times [2023-11-29 06:53:37,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:37,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156007572] [2023-11-29 06:53:37,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:37,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:37,964 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:37,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394016295] [2023-11-29 06:53:37,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:37,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:37,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:37,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:37,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:53:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:38,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:38,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:38,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:38,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156007572] [2023-11-29 06:53:38,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394016295] [2023-11-29 06:53:38,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394016295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:38,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:38,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:53:38,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106039978] [2023-11-29 06:53:38,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:38,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:38,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:38,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:38,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:38,021 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-29 06:53:38,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:38,091 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2023-11-29 06:53:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:38,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2023-11-29 06:53:38,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:38,093 INFO L225 Difference]: With dead ends: 93 [2023-11-29 06:53:38,093 INFO L226 Difference]: Without dead ends: 91 [2023-11-29 06:53:38,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:38,095 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 34 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:38,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 58 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:38,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-29 06:53:38,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 76. [2023-11-29 06:53:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.607843137254902) internal successors, (82), 72 states have internal predecessors, (82), 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) [2023-11-29 06:53:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2023-11-29 06:53:38,104 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 8 [2023-11-29 06:53:38,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:38,104 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2023-11-29 06:53:38,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-29 06:53:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2023-11-29 06:53:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 06:53:38,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:38,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:38,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:38,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:38,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:38,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:38,306 INFO L85 PathProgramCache]: Analyzing trace with hash 64022597, now seen corresponding path program 1 times [2023-11-29 06:53:38,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:38,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899184118] [2023-11-29 06:53:38,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:38,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:38,317 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:38,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1295298992] [2023-11-29 06:53:38,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:38,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:38,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:38,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:38,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:53:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:38,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:38,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:38,372 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:38,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:38,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899184118] [2023-11-29 06:53:38,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:38,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295298992] [2023-11-29 06:53:38,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295298992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:38,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:38,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:53:38,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150158348] [2023-11-29 06:53:38,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:38,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:38,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:38,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:38,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:38,374 INFO L87 Difference]: Start difference. First operand 76 states and 86 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) [2023-11-29 06:53:38,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:38,447 INFO L93 Difference]: Finished difference Result 97 states and 99 transitions. [2023-11-29 06:53:38,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:38,448 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 [2023-11-29 06:53:38,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:38,449 INFO L225 Difference]: With dead ends: 97 [2023-11-29 06:53:38,449 INFO L226 Difference]: Without dead ends: 91 [2023-11-29 06:53:38,450 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 [2023-11-29 06:53:38,451 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 27 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:38,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 64 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:38,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-29 06:53:38,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 80. [2023-11-29 06:53:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 76 states have internal predecessors, (84), 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) [2023-11-29 06:53:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2023-11-29 06:53:38,461 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 9 [2023-11-29 06:53:38,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:38,461 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2023-11-29 06:53:38,461 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) [2023-11-29 06:53:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2023-11-29 06:53:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 06:53:38,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:38,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:38,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:53:38,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:38,663 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:38,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:38,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1396175367, now seen corresponding path program 1 times [2023-11-29 06:53:38,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:38,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46399208] [2023-11-29 06:53:38,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:38,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:38,672 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:38,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389823760] [2023-11-29 06:53:38,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:38,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:38,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:38,673 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:38,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:53:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:38,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:53:38,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:38,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:38,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:38,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46399208] [2023-11-29 06:53:38,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:38,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389823760] [2023-11-29 06:53:38,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389823760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:38,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:38,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:53:38,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510129282] [2023-11-29 06:53:38,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:38,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:53:38,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:38,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:53:38,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:38,768 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-29 06:53:38,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:38,885 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2023-11-29 06:53:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:38,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2023-11-29 06:53:38,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:38,887 INFO L225 Difference]: With dead ends: 91 [2023-11-29 06:53:38,887 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 06:53:38,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:38,889 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 43 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:38,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 62 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:38,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 06:53:38,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2023-11-29 06:53:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 69 states have internal predecessors, (73), 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) [2023-11-29 06:53:38,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2023-11-29 06:53:38,898 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 11 [2023-11-29 06:53:38,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:38,898 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2023-11-29 06:53:38,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-29 06:53:38,899 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2023-11-29 06:53:38,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 06:53:38,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:38,900 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] [2023-11-29 06:53:38,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:53:39,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:39,100 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:39,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:39,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1158687737, now seen corresponding path program 1 times [2023-11-29 06:53:39,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:39,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707871059] [2023-11-29 06:53:39,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:39,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:39,112 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:39,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185391931] [2023-11-29 06:53:39,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:39,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:39,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:39,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:39,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:53:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:39,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:39,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:39,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:39,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707871059] [2023-11-29 06:53:39,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:39,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185391931] [2023-11-29 06:53:39,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185391931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:39,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:39,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:53:39,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156381048] [2023-11-29 06:53:39,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:39,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:39,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:39,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:39,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:39,224 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-29 06:53:39,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:39,237 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2023-11-29 06:53:39,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:39,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2023-11-29 06:53:39,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:39,239 INFO L225 Difference]: With dead ends: 73 [2023-11-29 06:53:39,239 INFO L226 Difference]: Without dead ends: 72 [2023-11-29 06:53:39,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:39,240 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 35 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:39,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 53 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:39,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-29 06:53:39,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-29 06:53:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 68 states have internal predecessors, (71), 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) [2023-11-29 06:53:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2023-11-29 06:53:39,250 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 20 [2023-11-29 06:53:39,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:39,252 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2023-11-29 06:53:39,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-29 06:53:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2023-11-29 06:53:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 06:53:39,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:39,253 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] [2023-11-29 06:53:39,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:53:39,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:39,456 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:39,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:39,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1559581551, now seen corresponding path program 1 times [2023-11-29 06:53:39,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:39,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637693018] [2023-11-29 06:53:39,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:39,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:39,464 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:39,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688785338] [2023-11-29 06:53:39,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:39,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:39,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:39,465 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:39,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:53:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:53:39,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:39,534 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:39,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:39,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637693018] [2023-11-29 06:53:39,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:39,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688785338] [2023-11-29 06:53:39,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688785338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:39,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:39,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:53:39,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413016723] [2023-11-29 06:53:39,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:39,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:39,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:39,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:39,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:39,537 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-29 06:53:39,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:39,553 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2023-11-29 06:53:39,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:39,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 21 [2023-11-29 06:53:39,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:39,555 INFO L225 Difference]: With dead ends: 73 [2023-11-29 06:53:39,555 INFO L226 Difference]: Without dead ends: 72 [2023-11-29 06:53:39,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:39,556 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:39,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:39,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-29 06:53:39,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-29 06:53:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 68 states have internal predecessors, (70), 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) [2023-11-29 06:53:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2023-11-29 06:53:39,564 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 21 [2023-11-29 06:53:39,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:39,565 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2023-11-29 06:53:39,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-29 06:53:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2023-11-29 06:53:39,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 06:53:39,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:39,566 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] [2023-11-29 06:53:39,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 06:53:39,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:39,767 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:39,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:39,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1462148739, now seen corresponding path program 1 times [2023-11-29 06:53:39,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:39,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519184645] [2023-11-29 06:53:39,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:39,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:39,777 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:39,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [776474428] [2023-11-29 06:53:39,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:39,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:39,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:39,779 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:39,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:53:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:39,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:53:39,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:39,939 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:39,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:39,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519184645] [2023-11-29 06:53:39,939 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:39,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776474428] [2023-11-29 06:53:39,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776474428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:39,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:39,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:53:39,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557604566] [2023-11-29 06:53:39,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:39,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:53:39,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:39,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:53:39,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:39,942 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-11-29 06:53:40,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:40,019 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2023-11-29 06:53:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:40,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 24 [2023-11-29 06:53:40,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:40,021 INFO L225 Difference]: With dead ends: 72 [2023-11-29 06:53:40,021 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 06:53:40,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:40,022 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 43 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:40,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 43 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:40,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 06:53:40,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-29 06:53:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 48 states have (on average 1.375) internal successors, (66), 64 states have internal predecessors, (66), 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) [2023-11-29 06:53:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2023-11-29 06:53:40,030 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 24 [2023-11-29 06:53:40,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:40,031 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2023-11-29 06:53:40,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-11-29 06:53:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2023-11-29 06:53:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 06:53:40,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:40,032 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] [2023-11-29 06:53:40,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 06:53:40,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:40,233 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:40,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:40,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1918029427, now seen corresponding path program 1 times [2023-11-29 06:53:40,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:40,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970628974] [2023-11-29 06:53:40,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:40,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:40,242 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:40,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [376921352] [2023-11-29 06:53:40,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:40,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:40,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:40,244 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:40,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:53:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:40,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:53:40,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:40,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:40,382 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:40,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:40,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970628974] [2023-11-29 06:53:40,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:40,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376921352] [2023-11-29 06:53:40,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376921352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:40,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:40,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:53:40,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113085345] [2023-11-29 06:53:40,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:40,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:53:40,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:40,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:53:40,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:40,386 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2023-11-29 06:53:40,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:40,469 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2023-11-29 06:53:40,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:40,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 25 [2023-11-29 06:53:40,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:40,471 INFO L225 Difference]: With dead ends: 71 [2023-11-29 06:53:40,471 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 06:53:40,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:40,472 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:40,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:40,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 06:53:40,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-29 06:53:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.36) internal successors, (68), 66 states have internal predecessors, (68), 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) [2023-11-29 06:53:40,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2023-11-29 06:53:40,478 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 25 [2023-11-29 06:53:40,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:40,479 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2023-11-29 06:53:40,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2023-11-29 06:53:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2023-11-29 06:53:40,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 06:53:40,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:40,480 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:40,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 06:53:40,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:40,684 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:40,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:40,685 INFO L85 PathProgramCache]: Analyzing trace with hash 685310549, now seen corresponding path program 1 times [2023-11-29 06:53:40,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:40,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084736942] [2023-11-29 06:53:40,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:40,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:40,694 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:40,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [109318434] [2023-11-29 06:53:40,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:40,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:40,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:40,695 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:40,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:53:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:40,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:53:40,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:40,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:40,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:40,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084736942] [2023-11-29 06:53:40,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:40,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109318434] [2023-11-29 06:53:40,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109318434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:40,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:40,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:53:40,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180473316] [2023-11-29 06:53:40,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:40,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:40,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:40,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:40,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:40,793 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2023-11-29 06:53:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:40,837 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2023-11-29 06:53:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:53:40,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 27 [2023-11-29 06:53:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:40,838 INFO L225 Difference]: With dead ends: 70 [2023-11-29 06:53:40,839 INFO L226 Difference]: Without dead ends: 69 [2023-11-29 06:53:40,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:53:40,840 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 33 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:40,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 129 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:40,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-29 06:53:40,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-29 06:53:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.34) internal successors, (67), 65 states have internal predecessors, (67), 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) [2023-11-29 06:53:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2023-11-29 06:53:40,846 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 27 [2023-11-29 06:53:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:40,847 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2023-11-29 06:53:40,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2023-11-29 06:53:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2023-11-29 06:53:40,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-29 06:53:40,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:40,848 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] [2023-11-29 06:53:40,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:41,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:41,049 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:41,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:41,050 INFO L85 PathProgramCache]: Analyzing trace with hash -230209420, now seen corresponding path program 1 times [2023-11-29 06:53:41,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:41,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370737616] [2023-11-29 06:53:41,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:41,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:41,058 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:41,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086865762] [2023-11-29 06:53:41,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:41,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:41,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:41,059 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:41,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 06:53:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:41,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:53:41,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:41,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:41,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:41,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370737616] [2023-11-29 06:53:41,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:41,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086865762] [2023-11-29 06:53:41,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086865762] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:41,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:53:41,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2023-11-29 06:53:41,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59075497] [2023-11-29 06:53:41,241 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:41,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:53:41,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:41,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:53:41,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:41,243 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:53:41,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:41,372 INFO L93 Difference]: Finished difference Result 185 states and 189 transitions. [2023-11-29 06:53:41,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:53:41,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2023-11-29 06:53:41,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:41,374 INFO L225 Difference]: With dead ends: 185 [2023-11-29 06:53:41,374 INFO L226 Difference]: Without dead ends: 170 [2023-11-29 06:53:41,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:53:41,376 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 119 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:41,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 341 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:41,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-29 06:53:41,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 124. [2023-11-29 06:53:41,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 100 states have (on average 1.38) internal successors, (138), 115 states have internal predecessors, (138), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:53:41,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 146 transitions. [2023-11-29 06:53:41,387 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 146 transitions. Word has length 28 [2023-11-29 06:53:41,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:41,387 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 146 transitions. [2023-11-29 06:53:41,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:53:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2023-11-29 06:53:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-29 06:53:41,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:41,389 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:41,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 06:53:41,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 06:53:41,594 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:41,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:41,595 INFO L85 PathProgramCache]: Analyzing trace with hash 893986236, now seen corresponding path program 1 times [2023-11-29 06:53:41,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:41,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102790710] [2023-11-29 06:53:41,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:41,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:41,605 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:41,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060336301] [2023-11-29 06:53:41,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:41,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:41,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:41,607 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:41,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 06:53:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:41,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:53:41,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:41,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:41,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:41,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102790710] [2023-11-29 06:53:41,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:41,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060336301] [2023-11-29 06:53:41,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060336301] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:41,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:53:41,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 06:53:41,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26755622] [2023-11-29 06:53:41,789 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:41,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:41,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:41,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:41,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:41,791 INFO L87 Difference]: Start difference. First operand 124 states and 146 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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) [2023-11-29 06:53:41,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:41,946 INFO L93 Difference]: Finished difference Result 171 states and 180 transitions. [2023-11-29 06:53:41,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:53:41,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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 31 [2023-11-29 06:53:41,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:41,948 INFO L225 Difference]: With dead ends: 171 [2023-11-29 06:53:41,948 INFO L226 Difference]: Without dead ends: 168 [2023-11-29 06:53:41,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:53:41,950 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 136 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:41,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 106 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:41,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-11-29 06:53:41,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 128. [2023-11-29 06:53:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 119 states have internal predecessors, (139), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:53:41,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2023-11-29 06:53:41,957 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 31 [2023-11-29 06:53:41,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:41,958 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2023-11-29 06:53:41,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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) [2023-11-29 06:53:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2023-11-29 06:53:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 06:53:41,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:41,959 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:41,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 06:53:42,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 06:53:42,160 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:42,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:42,160 INFO L85 PathProgramCache]: Analyzing trace with hash 127315262, now seen corresponding path program 1 times [2023-11-29 06:53:42,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:42,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615864626] [2023-11-29 06:53:42,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:42,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:42,167 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:42,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1924633557] [2023-11-29 06:53:42,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:42,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:42,168 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:42,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 06:53:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:42,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:53:42,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:42,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:42,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:42,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615864626] [2023-11-29 06:53:42,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:42,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924633557] [2023-11-29 06:53:42,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924633557] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:42,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:53:42,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-29 06:53:42,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508789041] [2023-11-29 06:53:42,373 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:42,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:53:42,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:42,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:53:42,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:53:42,375 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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) [2023-11-29 06:53:42,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:42,520 INFO L93 Difference]: Finished difference Result 148 states and 164 transitions. [2023-11-29 06:53:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:53:42,521 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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 33 [2023-11-29 06:53:42,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:42,522 INFO L225 Difference]: With dead ends: 148 [2023-11-29 06:53:42,522 INFO L226 Difference]: Without dead ends: 141 [2023-11-29 06:53:42,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:53:42,523 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 76 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:42,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 83 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:42,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-29 06:53:42,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 128. [2023-11-29 06:53:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 109 states have (on average 1.2110091743119267) internal successors, (132), 119 states have internal predecessors, (132), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:53:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 140 transitions. [2023-11-29 06:53:42,530 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 140 transitions. Word has length 33 [2023-11-29 06:53:42,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:42,531 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 140 transitions. [2023-11-29 06:53:42,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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) [2023-11-29 06:53:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2023-11-29 06:53:42,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 06:53:42,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:42,532 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:42,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 06:53:42,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 06:53:42,736 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:42,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash 2090884288, now seen corresponding path program 1 times [2023-11-29 06:53:42,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:42,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568984772] [2023-11-29 06:53:42,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:42,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:42,745 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:42,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376466837] [2023-11-29 06:53:42,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:42,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:42,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:42,747 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:42,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 06:53:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:42,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:53:42,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:42,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:42,945 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:42,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:42,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568984772] [2023-11-29 06:53:42,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:42,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376466837] [2023-11-29 06:53:42,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376466837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:42,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:42,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:53:42,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859190137] [2023-11-29 06:53:42,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:42,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:42,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:42,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:42,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:42,948 INFO L87 Difference]: Start difference. First operand 128 states and 140 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2023-11-29 06:53:43,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:43,011 INFO L93 Difference]: Finished difference Result 130 states and 142 transitions. [2023-11-29 06:53:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:53:43,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 35 [2023-11-29 06:53:43,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:43,012 INFO L225 Difference]: With dead ends: 130 [2023-11-29 06:53:43,012 INFO L226 Difference]: Without dead ends: 116 [2023-11-29 06:53:43,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:43,014 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 85 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:43,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 43 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:43,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-29 06:53:43,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-11-29 06:53:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 101 states have (on average 1.108910891089109) internal successors, (112), 107 states have internal predecessors, (112), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:53:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions. [2023-11-29 06:53:43,021 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 35 [2023-11-29 06:53:43,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:43,022 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions. [2023-11-29 06:53:43,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2023-11-29 06:53:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2023-11-29 06:53:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 06:53:43,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:43,023 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 06:53:43,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:43,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 06:53:43,224 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:43,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:43,225 INFO L85 PathProgramCache]: Analyzing trace with hash 799435496, now seen corresponding path program 1 times [2023-11-29 06:53:43,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:43,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506186907] [2023-11-29 06:53:43,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:43,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:43,234 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:43,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331493770] [2023-11-29 06:53:43,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:43,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:43,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:43,236 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:43,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 06:53:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:53:43,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:53:43,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:53:43,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:43,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506186907] [2023-11-29 06:53:43,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:43,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331493770] [2023-11-29 06:53:43,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331493770] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:43,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:53:43,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 06:53:43,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85913471] [2023-11-29 06:53:43,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:43,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:43,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:43,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:43,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:43,407 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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) [2023-11-29 06:53:43,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:43,440 INFO L93 Difference]: Finished difference Result 132 states and 135 transitions. [2023-11-29 06:53:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:53:43,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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 45 [2023-11-29 06:53:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:43,442 INFO L225 Difference]: With dead ends: 132 [2023-11-29 06:53:43,442 INFO L226 Difference]: Without dead ends: 131 [2023-11-29 06:53:43,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:43,443 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 11 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:43,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 125 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:43,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-29 06:53:43,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 126. [2023-11-29 06:53:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.0909090909090908) internal successors, (120), 116 states have internal predecessors, (120), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:53:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 130 transitions. [2023-11-29 06:53:43,452 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 130 transitions. Word has length 45 [2023-11-29 06:53:43,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:43,452 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 130 transitions. [2023-11-29 06:53:43,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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) [2023-11-29 06:53:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-11-29 06:53:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 06:53:43,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:43,454 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1] [2023-11-29 06:53:43,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 06:53:43,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 06:53:43,659 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:43,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:43,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1388648805, now seen corresponding path program 1 times [2023-11-29 06:53:43,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:43,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193809927] [2023-11-29 06:53:43,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:43,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:43,668 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:43,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100111355] [2023-11-29 06:53:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:43,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:43,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:43,669 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:43,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 06:53:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:43,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:53:43,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:53:43,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:44,154 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:53:44,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:44,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193809927] [2023-11-29 06:53:44,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:44,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100111355] [2023-11-29 06:53:44,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100111355] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:44,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:53:44,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-11-29 06:53:44,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466151002] [2023-11-29 06:53:44,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:44,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:53:44,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:44,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:53:44,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:53:44,157 INFO L87 Difference]: Start difference. First operand 126 states and 130 transitions. Second operand has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:53:44,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:44,465 INFO L93 Difference]: Finished difference Result 195 states and 201 transitions. [2023-11-29 06:53:44,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:53:44,466 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 73 [2023-11-29 06:53:44,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:44,467 INFO L225 Difference]: With dead ends: 195 [2023-11-29 06:53:44,468 INFO L226 Difference]: Without dead ends: 194 [2023-11-29 06:53:44,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=240, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:53:44,469 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 77 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:44,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 131 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:53:44,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-29 06:53:44,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 170. [2023-11-29 06:53:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 152 states have (on average 1.125) internal successors, (171), 158 states have internal predecessors, (171), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 06:53:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 185 transitions. [2023-11-29 06:53:44,480 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 185 transitions. Word has length 73 [2023-11-29 06:53:44,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:44,480 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 185 transitions. [2023-11-29 06:53:44,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:53:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 185 transitions. [2023-11-29 06:53:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 06:53:44,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:44,482 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2023-11-29 06:53:44,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 06:53:44,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 06:53:44,687 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:44,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:44,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1188030000, now seen corresponding path program 2 times [2023-11-29 06:53:44,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:44,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24981114] [2023-11-29 06:53:44,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:44,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:44,695 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:44,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1061308868] [2023-11-29 06:53:44,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:53:44,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:44,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:44,697 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:44,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 06:53:44,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 06:53:44,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:44,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 06:53:44,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:53:45,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:53:45,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:45,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24981114] [2023-11-29 06:53:45,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:45,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061308868] [2023-11-29 06:53:45,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061308868] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:45,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:53:45,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-11-29 06:53:45,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576252907] [2023-11-29 06:53:45,201 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:45,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:53:45,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:45,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:53:45,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:53:45,203 INFO L87 Difference]: Start difference. First operand 170 states and 185 transitions. Second operand has 16 states, 15 states have (on average 9.0) internal successors, (135), 16 states have internal predecessors, (135), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:53:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:45,561 INFO L93 Difference]: Finished difference Result 205 states and 214 transitions. [2023-11-29 06:53:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:53:45,561 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.0) internal successors, (135), 16 states have internal predecessors, (135), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 81 [2023-11-29 06:53:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:45,563 INFO L225 Difference]: With dead ends: 205 [2023-11-29 06:53:45,563 INFO L226 Difference]: Without dead ends: 193 [2023-11-29 06:53:45,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=249, Invalid=351, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:53:45,564 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 162 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:45,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 134 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:53:45,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-29 06:53:45,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 178. [2023-11-29 06:53:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 160 states have (on average 1.1125) internal successors, (178), 166 states have internal predecessors, (178), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 06:53:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 192 transitions. [2023-11-29 06:53:45,573 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 192 transitions. Word has length 81 [2023-11-29 06:53:45,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:45,573 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 192 transitions. [2023-11-29 06:53:45,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.0) internal successors, (135), 16 states have internal predecessors, (135), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:53:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 192 transitions. [2023-11-29 06:53:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-29 06:53:45,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:45,575 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2023-11-29 06:53:45,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 06:53:45,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 06:53:45,776 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:45,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:45,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1259014999, now seen corresponding path program 2 times [2023-11-29 06:53:45,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:45,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416724888] [2023-11-29 06:53:45,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:45,785 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:45,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [201702108] [2023-11-29 06:53:45,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:53:45,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:45,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:45,787 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:45,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 06:53:45,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 06:53:45,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:45,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 06:53:45,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:46,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:53:46,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:46,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416724888] [2023-11-29 06:53:46,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:46,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201702108] [2023-11-29 06:53:46,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201702108] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:46,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:53:46,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2023-11-29 06:53:46,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087357881] [2023-11-29 06:53:46,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:46,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 06:53:46,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:46,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 06:53:46,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-11-29 06:53:46,195 INFO L87 Difference]: Start difference. First operand 178 states and 192 transitions. Second operand has 22 states, 21 states have (on average 8.333333333333334) internal successors, (175), 22 states have internal predecessors, (175), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:53:46,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:46,511 INFO L93 Difference]: Finished difference Result 292 states and 297 transitions. [2023-11-29 06:53:46,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 06:53:46,511 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.333333333333334) internal successors, (175), 22 states have internal predecessors, (175), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 100 [2023-11-29 06:53:46,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:46,513 INFO L225 Difference]: With dead ends: 292 [2023-11-29 06:53:46,513 INFO L226 Difference]: Without dead ends: 288 [2023-11-29 06:53:46,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 06:53:46,514 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 137 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:46,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 361 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:46,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-11-29 06:53:46,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 257. [2023-11-29 06:53:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 230 states have (on average 1.1130434782608696) internal successors, (256), 236 states have internal predecessors, (256), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:53:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 276 transitions. [2023-11-29 06:53:46,525 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 276 transitions. Word has length 100 [2023-11-29 06:53:46,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:46,526 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 276 transitions. [2023-11-29 06:53:46,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.333333333333334) internal successors, (175), 22 states have internal predecessors, (175), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:53:46,526 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 276 transitions. [2023-11-29 06:53:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 06:53:46,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:46,527 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2023-11-29 06:53:46,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 06:53:46,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:46,728 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:46,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:46,729 INFO L85 PathProgramCache]: Analyzing trace with hash 633606503, now seen corresponding path program 2 times [2023-11-29 06:53:46,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:46,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357695764] [2023-11-29 06:53:46,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:46,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:46,736 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:46,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743511353] [2023-11-29 06:53:46,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:53:46,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:46,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:46,738 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:46,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 06:53:46,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 06:53:46,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:46,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 06:53:46,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:53:46,880 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 06:53:47,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:47,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357695764] [2023-11-29 06:53:47,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:47,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743511353] [2023-11-29 06:53:47,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743511353] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:47,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:53:47,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 06:53:47,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43720245] [2023-11-29 06:53:47,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:47,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:53:47,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:47,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:53:47,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:53:47,135 INFO L87 Difference]: Start difference. First operand 257 states and 276 transitions. Second operand has 12 states, 11 states have (on average 15.363636363636363) internal successors, (169), 12 states have internal predecessors, (169), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:53:47,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:47,504 INFO L93 Difference]: Finished difference Result 286 states and 296 transitions. [2023-11-29 06:53:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:53:47,505 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.363636363636363) internal successors, (169), 12 states have internal predecessors, (169), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 103 [2023-11-29 06:53:47,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:47,507 INFO L225 Difference]: With dead ends: 286 [2023-11-29 06:53:47,507 INFO L226 Difference]: Without dead ends: 280 [2023-11-29 06:53:47,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:53:47,508 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 148 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:47,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 389 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:53:47,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-11-29 06:53:47,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 260. [2023-11-29 06:53:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 233 states have (on average 1.0858369098712446) internal successors, (253), 239 states have internal predecessors, (253), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:53:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 273 transitions. [2023-11-29 06:53:47,525 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 273 transitions. Word has length 103 [2023-11-29 06:53:47,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:47,526 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 273 transitions. [2023-11-29 06:53:47,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.363636363636363) internal successors, (169), 12 states have internal predecessors, (169), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:53:47,526 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 273 transitions. [2023-11-29 06:53:47,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:53:47,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:47,528 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1] [2023-11-29 06:53:47,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 06:53:47,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:47,728 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:47,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash 851054419, now seen corresponding path program 2 times [2023-11-29 06:53:47,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:47,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911227329] [2023-11-29 06:53:47,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:47,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:47,736 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:47,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957663433] [2023-11-29 06:53:47,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:53:47,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:47,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:47,737 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:47,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 06:53:47,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 06:53:47,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:47,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:53:47,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-11-29 06:53:47,895 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-11-29 06:53:48,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:48,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911227329] [2023-11-29 06:53:48,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:48,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957663433] [2023-11-29 06:53:48,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957663433] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:48,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:53:48,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 06:53:48,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381246042] [2023-11-29 06:53:48,015 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:48,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:53:48,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:48,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:53:48,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:53:48,016 INFO L87 Difference]: Start difference. First operand 260 states and 273 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2023-11-29 06:53:48,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:48,041 INFO L93 Difference]: Finished difference Result 260 states and 273 transitions. [2023-11-29 06:53:48,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:48,042 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 117 [2023-11-29 06:53:48,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:48,044 INFO L225 Difference]: With dead ends: 260 [2023-11-29 06:53:48,044 INFO L226 Difference]: Without dead ends: 259 [2023-11-29 06:53:48,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:53:48,045 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 48 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:48,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 73 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:48,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2023-11-29 06:53:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2023-11-29 06:53:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 233 states have (on average 1.0600858369098713) internal successors, (247), 238 states have internal predecessors, (247), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:53:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 267 transitions. [2023-11-29 06:53:48,055 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 267 transitions. Word has length 117 [2023-11-29 06:53:48,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:48,056 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 267 transitions. [2023-11-29 06:53:48,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2023-11-29 06:53:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 267 transitions. [2023-11-29 06:53:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 06:53:48,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:48,058 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1] [2023-11-29 06:53:48,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:48,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 06:53:48,258 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:48,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:48,259 INFO L85 PathProgramCache]: Analyzing trace with hash 913861449, now seen corresponding path program 2 times [2023-11-29 06:53:48,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:48,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784298386] [2023-11-29 06:53:48,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:48,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:48,267 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:48,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1020952854] [2023-11-29 06:53:48,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:53:48,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:48,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:48,268 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:48,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 06:53:48,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 06:53:48,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:48,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:53:48,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2023-11-29 06:53:48,434 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:48,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:48,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784298386] [2023-11-29 06:53:48,435 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:53:48,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020952854] [2023-11-29 06:53:48,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020952854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:48,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:48,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:53:48,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772629606] [2023-11-29 06:53:48,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:48,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:53:48,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:48,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:53:48,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:53:48,437 INFO L87 Difference]: Start difference. First operand 259 states and 267 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:53:48,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:48,522 INFO L93 Difference]: Finished difference Result 259 states and 267 transitions. [2023-11-29 06:53:48,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:53:48,523 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 169 [2023-11-29 06:53:48,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:48,524 INFO L225 Difference]: With dead ends: 259 [2023-11-29 06:53:48,524 INFO L226 Difference]: Without dead ends: 258 [2023-11-29 06:53:48,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:53:48,525 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:48,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 72 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:48,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-11-29 06:53:48,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2023-11-29 06:53:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 233 states have (on average 1.0429184549356223) internal successors, (243), 237 states have internal predecessors, (243), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:53:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 263 transitions. [2023-11-29 06:53:48,538 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 263 transitions. Word has length 169 [2023-11-29 06:53:48,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:48,538 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 263 transitions. [2023-11-29 06:53:48,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:53:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 263 transitions. [2023-11-29 06:53:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 06:53:48,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:48,540 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1] [2023-11-29 06:53:48,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 06:53:48,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-29 06:53:48,741 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:53:48,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:48,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2073367572, now seen corresponding path program 3 times [2023-11-29 06:53:48,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:48,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811387469] [2023-11-29 06:53:48,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:48,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:48,753 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:53:48,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395222607] [2023-11-29 06:53:48,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 06:53:48,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:48,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:48,755 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:48,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 06:53:49,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 06:53:49,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:49,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 06:53:49,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:57,398 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (and (<= .cse0 (+ 9223372036854775806 (* |c_ULTIMATE.start_main_~y~0#1| 2))) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |c_ULTIMATE.start_main_~y~0#1| (div (+ .cse0 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 2))) (= (mod (+ |c_ULTIMATE.start_main_~y~0#1| .cse0) 2) 0))) is different from true [2023-11-29 06:54:25,331 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 (+ 9223372036854775806 (* 2 |ULTIMATE.start_main_~y~0#1|))) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2023-11-29 06:54:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 2 not checked. [2023-11-29 06:54:29,354 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:54:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-11-29 06:54:29,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:29,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811387469] [2023-11-29 06:54:29,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:54:29,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395222607] [2023-11-29 06:54:29,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395222607] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:54:29,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:54:29,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-29 06:54:29,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916890468] [2023-11-29 06:54:29,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:54:29,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:54:29,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:29,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:54:29,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=102, Unknown=2, NotChecked=42, Total=182 [2023-11-29 06:54:29,580 INFO L87 Difference]: Start difference. First operand 258 states and 263 transitions. Second operand has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:54:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:29,782 INFO L93 Difference]: Finished difference Result 258 states and 263 transitions. [2023-11-29 06:54:29,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:54:29,782 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 177 [2023-11-29 06:54:29,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:29,784 INFO L225 Difference]: With dead ends: 258 [2023-11-29 06:54:29,784 INFO L226 Difference]: Without dead ends: 252 [2023-11-29 06:54:29,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=65, Invalid=181, Unknown=2, NotChecked=58, Total=306 [2023-11-29 06:54:29,785 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 81 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:29,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 51 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:54:29,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-29 06:54:29,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2023-11-29 06:54:29,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 229 states have (on average 1.0131004366812226) internal successors, (232), 231 states have internal predecessors, (232), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:54:29,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 252 transitions. [2023-11-29 06:54:29,801 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 252 transitions. Word has length 177 [2023-11-29 06:54:29,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:29,802 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 252 transitions. [2023-11-29 06:54:29,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:54:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 252 transitions. [2023-11-29 06:54:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-29 06:54:29,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:29,805 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2023-11-29 06:54:29,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-29 06:54:30,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:54:30,006 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:54:30,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:30,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1588971027, now seen corresponding path program 3 times [2023-11-29 06:54:30,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:30,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114203290] [2023-11-29 06:54:30,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:30,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:30,019 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:54:30,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351009653] [2023-11-29 06:54:30,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 06:54:30,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:54:30,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:30,021 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:54:30,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 06:54:30,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 06:54:30,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:54:30,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:54:30,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2023-11-29 06:54:30,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:54:30,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:30,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114203290] [2023-11-29 06:54:30,116 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:54:30,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351009653] [2023-11-29 06:54:30,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351009653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:54:30,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:54:30,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:54:30,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246182141] [2023-11-29 06:54:30,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:54:30,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:54:30,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:30,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:54:30,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:54:30,118 INFO L87 Difference]: Start difference. First operand 252 states and 252 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:54:30,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:30,151 INFO L93 Difference]: Finished difference Result 252 states and 252 transitions. [2023-11-29 06:54:30,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:54:30,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 244 [2023-11-29 06:54:30,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:30,153 INFO L225 Difference]: With dead ends: 252 [2023-11-29 06:54:30,153 INFO L226 Difference]: Without dead ends: 251 [2023-11-29 06:54:30,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:54:30,154 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 5 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:30,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:54:30,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-11-29 06:54:30,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2023-11-29 06:54:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 229 states have (on average 1.0087336244541485) internal successors, (231), 230 states have internal predecessors, (231), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:54:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2023-11-29 06:54:30,166 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 244 [2023-11-29 06:54:30,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:30,167 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2023-11-29 06:54:30,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:54:30,167 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2023-11-29 06:54:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-29 06:54:30,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:30,170 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2023-11-29 06:54:30,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-29 06:54:30,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:54:30,371 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:54:30,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:30,372 INFO L85 PathProgramCache]: Analyzing trace with hash -2093625411, now seen corresponding path program 3 times [2023-11-29 06:54:30,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:30,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214057425] [2023-11-29 06:54:30,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:30,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:30,385 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:54:30,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [545730594] [2023-11-29 06:54:30,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 06:54:30,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:54:30,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:30,386 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:54:30,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 06:54:31,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-29 06:54:31,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:54:31,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 06:54:31,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 06:54:31,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:54:32,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 06:54:32,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:32,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214057425] [2023-11-29 06:54:32,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:54:32,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545730594] [2023-11-29 06:54:32,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545730594] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:54:32,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:54:32,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-11-29 06:54:32,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236307123] [2023-11-29 06:54:32,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:54:32,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 06:54:32,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:32,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 06:54:32,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2023-11-29 06:54:32,635 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand has 24 states, 23 states have (on average 17.26086956521739) internal successors, (397), 24 states have internal predecessors, (397), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:54:33,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:33,773 INFO L93 Difference]: Finished difference Result 517 states and 551 transitions. [2023-11-29 06:54:33,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:54:33,774 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 17.26086956521739) internal successors, (397), 24 states have internal predecessors, (397), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 247 [2023-11-29 06:54:33,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:33,778 INFO L225 Difference]: With dead ends: 517 [2023-11-29 06:54:33,778 INFO L226 Difference]: Without dead ends: 491 [2023-11-29 06:54:33,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 06:54:33,780 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 272 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:33,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1387 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 06:54:33,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2023-11-29 06:54:33,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2023-11-29 06:54:33,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 457 states have (on average 1.0043763676148796) internal successors, (459), 458 states have internal predecessors, (459), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 06:54:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 503 transitions. [2023-11-29 06:54:33,814 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 503 transitions. Word has length 247 [2023-11-29 06:54:33,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:33,815 INFO L495 AbstractCegarLoop]: Abstraction has 491 states and 503 transitions. [2023-11-29 06:54:33,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 17.26086956521739) internal successors, (397), 24 states have internal predecessors, (397), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 06:54:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 503 transitions. [2023-11-29 06:54:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2023-11-29 06:54:33,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:33,820 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1] [2023-11-29 06:54:33,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-11-29 06:54:34,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 06:54:34,021 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:54:34,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash 75294825, now seen corresponding path program 4 times [2023-11-29 06:54:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:34,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021927579] [2023-11-29 06:54:34,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:34,048 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:54:34,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175750003] [2023-11-29 06:54:34,049 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 06:54:34,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:54:34,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:34,050 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:54:34,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-29 06:54:34,211 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 06:54:34,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:54:34,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 06:54:34,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5676 backedges. 0 proven. 4752 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 06:54:34,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:54:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5676 backedges. 0 proven. 4752 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 06:54:36,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:36,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021927579] [2023-11-29 06:54:36,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:54:36,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175750003] [2023-11-29 06:54:36,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175750003] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:54:36,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:54:36,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2023-11-29 06:54:36,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41348391] [2023-11-29 06:54:36,546 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:54:36,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-29 06:54:36,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:36,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-29 06:54:36,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 06:54:36,550 INFO L87 Difference]: Start difference. First operand 491 states and 503 transitions. Second operand has 48 states, 47 states have (on average 18.148936170212767) internal successors, (853), 48 states have internal predecessors, (853), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 06:54:41,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:41,166 INFO L93 Difference]: Finished difference Result 1021 states and 1103 transitions. [2023-11-29 06:54:41,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-29 06:54:41,167 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 18.148936170212767) internal successors, (853), 48 states have internal predecessors, (853), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 535 [2023-11-29 06:54:41,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:41,173 INFO L225 Difference]: With dead ends: 1021 [2023-11-29 06:54:41,173 INFO L226 Difference]: Without dead ends: 971 [2023-11-29 06:54:41,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1090 GetRequests, 1022 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2023-11-29 06:54:41,176 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 861 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 6113 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 5659 SdHoareTripleChecker+Invalid, 6162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 6113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:41,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [863 Valid, 5659 Invalid, 6162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 6113 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 06:54:41,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2023-11-29 06:54:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2023-11-29 06:54:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 913 states have (on average 1.0021905805038336) internal successors, (915), 914 states have internal predecessors, (915), 46 states have call successors, (46), 10 states have call predecessors, (46), 10 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 06:54:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1007 transitions. [2023-11-29 06:54:41,211 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1007 transitions. Word has length 535 [2023-11-29 06:54:41,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:41,212 INFO L495 AbstractCegarLoop]: Abstraction has 971 states and 1007 transitions. [2023-11-29 06:54:41,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 18.148936170212767) internal successors, (853), 48 states have internal predecessors, (853), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 06:54:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1007 transitions. [2023-11-29 06:54:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2023-11-29 06:54:41,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:41,224 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1] [2023-11-29 06:54:41,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-29 06:54:41,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:54:41,425 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:54:41,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:41,425 INFO L85 PathProgramCache]: Analyzing trace with hash -331773503, now seen corresponding path program 5 times [2023-11-29 06:54:41,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:41,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355730522] [2023-11-29 06:54:41,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:41,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:41,462 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:54:41,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331727100] [2023-11-29 06:54:41,462 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 06:54:41,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:54:41,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:41,464 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:54:41,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-29 06:54:42,767 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-11-29 06:54:42,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:54:42,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-29 06:54:42,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 25116 backedges. 0 proven. 20976 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2023-11-29 06:54:44,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:54:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 25116 backedges. 0 proven. 20976 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2023-11-29 06:54:50,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:50,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355730522] [2023-11-29 06:54:50,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:54:50,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331727100] [2023-11-29 06:54:50,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331727100] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:54:50,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:54:50,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2023-11-29 06:54:50,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786743602] [2023-11-29 06:54:50,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:54:50,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-11-29 06:54:50,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:50,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-11-29 06:54:50,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2023-11-29 06:54:50,468 INFO L87 Difference]: Start difference. First operand 971 states and 1007 transitions. Second operand has 96 states, 95 states have (on average 18.57894736842105) internal successors, (1765), 96 states have internal predecessors, (1765), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 06:55:14,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:14,929 INFO L93 Difference]: Finished difference Result 2029 states and 2207 transitions. [2023-11-29 06:55:14,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-11-29 06:55:14,930 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 18.57894736842105) internal successors, (1765), 96 states have internal predecessors, (1765), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Word has length 1111 [2023-11-29 06:55:14,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:14,938 INFO L225 Difference]: With dead ends: 2029 [2023-11-29 06:55:14,939 INFO L226 Difference]: Without dead ends: 1931 [2023-11-29 06:55:14,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2266 GetRequests, 2126 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 20.4s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2023-11-29 06:55:14,945 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 2792 mSDsluCounter, 22320 mSDsCounter, 0 mSdLazyCounter, 24905 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 22843 SdHoareTripleChecker+Invalid, 25001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 24905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:14,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2794 Valid, 22843 Invalid, 25001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [96 Valid, 24905 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-29 06:55:14,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2023-11-29 06:55:15,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1931. [2023-11-29 06:55:15,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1931 states, 1825 states have (on average 1.0010958904109588) internal successors, (1827), 1826 states have internal predecessors, (1827), 94 states have call successors, (94), 10 states have call predecessors, (94), 10 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2023-11-29 06:55:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2015 transitions. [2023-11-29 06:55:15,040 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2015 transitions. Word has length 1111 [2023-11-29 06:55:15,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:15,042 INFO L495 AbstractCegarLoop]: Abstraction has 1931 states and 2015 transitions. [2023-11-29 06:55:15,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 18.57894736842105) internal successors, (1765), 96 states have internal predecessors, (1765), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-29 06:55:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2015 transitions. [2023-11-29 06:55:15,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2264 [2023-11-29 06:55:15,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:15,097 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1] [2023-11-29 06:55:15,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-29 06:55:15,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:55:15,298 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-29 06:55:15,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:15,299 INFO L85 PathProgramCache]: Analyzing trace with hash 762088561, now seen corresponding path program 6 times [2023-11-29 06:55:15,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:55:15,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742912056] [2023-11-29 06:55:15,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:15,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:55:15,382 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:55:15,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481902365] [2023-11-29 06:55:15,383 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-29 06:55:15,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:55:15,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:15,384 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:55:15,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-29 07:06:13,724 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-11-29 07:06:13,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 07:06:13,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 3518 conjuncts, 191 conjunts are in the unsatisfiable core [2023-11-29 07:06:13,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:06:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 105468 backedges. 105374 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:06:25,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:06:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 105468 backedges. 87890 proven. 94 refuted. 0 times theorem prover too weak. 17484 trivial. 0 not checked. [2023-11-29 07:06:34,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:06:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742912056] [2023-11-29 07:06:34,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 07:06:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481902365] [2023-11-29 07:06:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481902365] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:06:34,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 07:06:34,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 192] total 280 [2023-11-29 07:06:34,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669469005] [2023-11-29 07:06:34,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 07:06:34,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 280 states [2023-11-29 07:06:34,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:06:34,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 280 interpolants. [2023-11-29 07:06:34,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19739, Invalid=58381, Unknown=0, NotChecked=0, Total=78120 [2023-11-29 07:06:34,757 INFO L87 Difference]: Start difference. First operand 1931 states and 2015 transitions. Second operand has 280 states, 280 states have (on average 10.417857142857143) internal successors, (2917), 280 states have internal predecessors, (2917), 138 states have call successors, (188), 95 states have call predecessors, (188), 95 states have return successors, (188), 138 states have call predecessors, (188), 138 states have call successors, (188) [2023-11-29 07:06:43,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:06:43,241 INFO L93 Difference]: Finished difference Result 2095 states and 2138 transitions. [2023-11-29 07:06:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2023-11-29 07:06:43,242 INFO L78 Accepts]: Start accepts. Automaton has has 280 states, 280 states have (on average 10.417857142857143) internal successors, (2917), 280 states have internal predecessors, (2917), 138 states have call successors, (188), 95 states have call predecessors, (188), 95 states have return successors, (188), 138 states have call predecessors, (188), 138 states have call successors, (188) Word has length 2263 [2023-11-29 07:06:43,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:06:43,244 INFO L225 Difference]: With dead ends: 2095 [2023-11-29 07:06:43,244 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 07:06:43,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4626 GetRequests, 4145 SyntacticMatches, 101 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65803 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=39425, Invalid=106117, Unknown=0, NotChecked=0, Total=145542 [2023-11-29 07:06:43,254 INFO L413 NwaCegarLoop]: 1000 mSDtfsCounter, 159 mSDsluCounter, 8654 mSDsCounter, 0 mSdLazyCounter, 2456 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 9654 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:06:43,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 9654 Invalid, 2456 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2456 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 07:06:43,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 07:06:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 07:06:43,255 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) [2023-11-29 07:06:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 07:06:43,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2263 [2023-11-29 07:06:43,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:06:43,256 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 07:06:43,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 280 states, 280 states have (on average 10.417857142857143) internal successors, (2917), 280 states have internal predecessors, (2917), 138 states have call successors, (188), 95 states have call predecessors, (188), 95 states have return successors, (188), 138 states have call predecessors, (188), 138 states have call successors, (188) [2023-11-29 07:06:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 07:06:43,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 07:06:43,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2023-11-29 07:06:43,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2023-11-29 07:06:43,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2023-11-29 07:06:43,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2023-11-29 07:06:43,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2023-11-29 07:06:43,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2023-11-29 07:06:43,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2023-11-29 07:06:43,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2023-11-29 07:06:43,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2023-11-29 07:06:43,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2023-11-29 07:06:43,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2023-11-29 07:06:43,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2023-11-29 07:06:43,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2023-11-29 07:06:43,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2023-11-29 07:06:43,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2023-11-29 07:06:43,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2023-11-29 07:06:43,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2023-11-29 07:06:43,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2023-11-29 07:06:43,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2023-11-29 07:06:43,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2023-11-29 07:06:43,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2023-11-29 07:06:43,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2023-11-29 07:06:43,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2023-11-29 07:06:43,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2023-11-29 07:06:43,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-29 07:06:43,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 07:06:43,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 07:06:50,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,748 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2023-11-29 07:06:50,748 INFO L899 garLoopResultBuilder]: For program point L27-2(line 27) no Hoare annotation was computed. [2023-11-29 07:06:50,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,748 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 36) no Hoare annotation was computed. [2023-11-29 07:06:50,749 INFO L895 garLoopResultBuilder]: At program point L27-5(lines 27 36) the Hoare annotation is: (let ((.cse5 (<= 1 |ULTIMATE.start_main_~y~0#1|)) (.cse6 (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse7 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse0 (<= |ULTIMATE.start_main_~c~0#1| 9223372036854775806)) (.cse1 (<= |ULTIMATE.start_main_~k~0#1| 2147483647)) (.cse2 (<= ~counter~0 50)) (.cse3 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~x~0#1| 4611686018427387903))) (or (and (= 23 |ULTIMATE.start_main_~y~0#1|) (<= 23 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 .cse3 (<= 23 ~counter~0) .cse4) (and .cse0 (= |ULTIMATE.start_main_~y~0#1| 12) .cse1 .cse2 .cse3 (<= 12 ~counter~0) (<= 12 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 (<= 26 ~counter~0) .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 26) (<= 26 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 .cse1 .cse2 (<= 10 ~counter~0) .cse3 (= |ULTIMATE.start_main_~y~0#1| 10) .cse4 (<= 10 |ULTIMATE.start_main_~x~0#1|)) (and .cse0 (<= 37 ~counter~0) (<= 37 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~y~0#1| 37)) (and .cse0 (<= 14 ~counter~0) .cse1 .cse2 .cse3 (= 14 |ULTIMATE.start_main_~y~0#1|) (<= 14 |ULTIMATE.start_main_~x~0#1|) .cse4) (and (<= 19 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 .cse3 (<= 19 ~counter~0) (= 19 |ULTIMATE.start_main_~y~0#1|) .cse4) (and .cse0 .cse1 .cse2 .cse3 (<= 28 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~y~0#1| 28) (<= 28 ~counter~0) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 (<= 48 ~counter~0) (<= (+ (* |ULTIMATE.start_main_~y~0#1| 90) .cse7) 9223372036854773782) .cse4) (and .cse0 (= |ULTIMATE.start_main_~y~0#1| 27) .cse1 .cse2 .cse3 (<= 27 |ULTIMATE.start_main_~x~0#1|) (<= 27 ~counter~0) .cse4) (and .cse0 (<= 18 ~counter~0) .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 18) .cse4 (<= 18 |ULTIMATE.start_main_~x~0#1|)) (and (<= 11 ~counter~0) .cse0 (= |ULTIMATE.start_main_~y~0#1| 11) .cse1 .cse2 .cse3 (<= 11 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 (<= 21 |ULTIMATE.start_main_~x~0#1|) .cse1 (= 21 |ULTIMATE.start_main_~y~0#1|) .cse2 .cse3 (<= 21 ~counter~0) .cse4) (and .cse0 (<= 45 ~counter~0) (= |ULTIMATE.start_main_~y~0#1| 45) .cse1 .cse2 .cse3 (<= 45 |ULTIMATE.start_main_~x~0#1|) .cse4) (and (= 6 |ULTIMATE.start_main_~y~0#1|) (<= 6 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 (<= 6 ~counter~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 36) (<= 36 |ULTIMATE.start_main_~x~0#1|) .cse4 (<= 36 ~counter~0)) (and .cse0 (<= 29 ~counter~0) .cse1 .cse2 .cse3 (<= 29 |ULTIMATE.start_main_~x~0#1|) (= 29 |ULTIMATE.start_main_~y~0#1|) .cse4) (and .cse0 (= 32 |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 (<= 32 |ULTIMATE.start_main_~x~0#1|) (<= 32 ~counter~0) .cse4) (and .cse0 .cse5 (= ~counter~0 50) .cse1 .cse6 .cse3 .cse4 (<= (+ (* |ULTIMATE.start_main_~y~0#1| 86) .cse7) 9223372036854773958)) (and .cse0 .cse1 .cse2 .cse3 (<= 15 |ULTIMATE.start_main_~x~0#1|) .cse4 (= |ULTIMATE.start_main_~y~0#1| 15) (<= 15 ~counter~0)) (and .cse0 (= |ULTIMATE.start_main_~y~0#1| 33) (<= 33 ~counter~0) .cse1 .cse2 .cse3 (<= 33 |ULTIMATE.start_main_~x~0#1|) .cse4) (and (<= 2 |ULTIMATE.start_main_~x~0#1|) .cse1 (= 2 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 3) .cse3 (<= |ULTIMATE.start_main_~c~0#1| 9223372036854775805) (= ~counter~0 2)) (and .cse0 (<= 44 ~counter~0) .cse1 .cse2 .cse3 (= 44 |ULTIMATE.start_main_~y~0#1|) (<= 44 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 (<= 47 ~counter~0) (<= (+ (* 92 |ULTIMATE.start_main_~y~0#1|) .cse7) 9223372036854773691) .cse4) (and (= 35 |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 35 |ULTIMATE.start_main_~x~0#1|) (<= 35 ~counter~0)) (and (<= 8 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 .cse3 (<= 8 ~counter~0) (= |ULTIMATE.start_main_~y~0#1| 8) .cse4) (and .cse0 (<= 30 ~counter~0) .cse1 .cse2 .cse3 (= 30 |ULTIMATE.start_main_~y~0#1|) .cse4 (<= 30 |ULTIMATE.start_main_~x~0#1|)) (and (= |ULTIMATE.start_main_~y~0#1| 4) .cse0 (= ~counter~0 4) .cse1 .cse3 (<= |ULTIMATE.start_main_~x~0#1| 4611686018427387892) (<= 4 |ULTIMATE.start_main_~x~0#1|)) (and .cse0 (<= 20 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 20) (<= 20 ~counter~0) .cse4) (and (<= 13 ~counter~0) .cse0 .cse1 .cse2 .cse3 (<= 13 |ULTIMATE.start_main_~x~0#1|) .cse4 (= |ULTIMATE.start_main_~y~0#1| 13)) (and .cse0 (= 22 |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 (<= 22 ~counter~0) (<= 22 |ULTIMATE.start_main_~x~0#1|) .cse4) (and (<= |ULTIMATE.start_main_~c~0#1| 1) .cse1 (= |ULTIMATE.start_main_~x~0#1| 1) .cse3 (= |ULTIMATE.start_main_~y~0#1| 1) (= ~counter~0 1)) (and .cse0 .cse1 .cse2 (<= 34 |ULTIMATE.start_main_~x~0#1|) .cse3 (<= 34 ~counter~0) (= |ULTIMATE.start_main_~y~0#1| 34) .cse4) (and (<= 17 ~counter~0) .cse0 (<= 17 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 (= |ULTIMATE.start_main_~y~0#1| 17) .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 38 ~counter~0) .cse3 (<= 38 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~y~0#1| 38) .cse4) (and .cse0 (= 41 |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 (<= 41 ~counter~0) .cse4 (<= 41 |ULTIMATE.start_main_~x~0#1|)) (and .cse0 (= |ULTIMATE.start_main_~y~0#1| 43) .cse1 .cse2 .cse3 (<= 43 |ULTIMATE.start_main_~x~0#1|) (<= 43 ~counter~0) .cse4) (and (<= 5 |ULTIMATE.start_main_~x~0#1|) (= 5 |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 .cse2 .cse3 (<= 5 ~counter~0) (<= |ULTIMATE.start_main_~x~0#1| 4611686018427387897)) (and .cse0 (<= 31 ~counter~0) .cse1 .cse2 .cse3 (<= 31 |ULTIMATE.start_main_~x~0#1|) (= 31 |ULTIMATE.start_main_~y~0#1|) .cse4) (and .cse0 .cse1 .cse2 (<= 9 ~counter~0) .cse3 (<= 9 |ULTIMATE.start_main_~x~0#1|) (= 9 |ULTIMATE.start_main_~y~0#1|) .cse4) (and (= ~counter~0 3) .cse0 .cse1 (= 3 |ULTIMATE.start_main_~y~0#1|) .cse3 (<= |ULTIMATE.start_main_~x~0#1| 6) (<= 3 |ULTIMATE.start_main_~x~0#1|)) (and (= |ULTIMATE.start_main_~c~0#1| 0) .cse1 (= |ULTIMATE.start_main_~y~0#1| 0) (= ~counter~0 0) (= |ULTIMATE.start_main_~x~0#1| 0)) (and (<= 25 ~counter~0) .cse0 .cse1 .cse2 .cse3 (<= 25 |ULTIMATE.start_main_~x~0#1|) .cse4 (= |ULTIMATE.start_main_~y~0#1| 25)) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 (<= 49 ~counter~0) .cse4 (<= (+ (* 88 |ULTIMATE.start_main_~y~0#1|) .cse7) 9223372036854773871)) (and .cse0 (<= 7 |ULTIMATE.start_main_~x~0#1|) (= 7 |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 (<= 7 ~counter~0) .cse4) (and (<= 39 |ULTIMATE.start_main_~x~0#1|) (<= 39 ~counter~0) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 39) .cse4) (and (<= 46 |ULTIMATE.start_main_~x~0#1|) .cse0 (<= 46 ~counter~0) .cse1 .cse2 (= 46 |ULTIMATE.start_main_~y~0#1|) .cse3 .cse4) (and .cse0 (= 16 |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 (<= 16 ~counter~0) .cse4 (<= 16 |ULTIMATE.start_main_~x~0#1|)) (and .cse0 .cse1 .cse2 (= 40 |ULTIMATE.start_main_~y~0#1|) .cse3 (<= 40 |ULTIMATE.start_main_~x~0#1|) .cse4 (<= 40 ~counter~0)) (and .cse0 (<= 42 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 .cse3 (<= 42 ~counter~0) (= 42 |ULTIMATE.start_main_~y~0#1|) .cse4) (and .cse0 (<= 24 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 24) (<= 24 ~counter~0) .cse4))) [2023-11-29 07:06:50,749 INFO L899 garLoopResultBuilder]: For program point L27-6(lines 27 36) no Hoare annotation was computed. [2023-11-29 07:06:50,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 07:06:50,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-29 07:06:50,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-29 07:06:50,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,749 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,750 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,750 INFO L899 garLoopResultBuilder]: For program point L28-2(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,750 INFO L899 garLoopResultBuilder]: For program point L28-3(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,750 INFO L899 garLoopResultBuilder]: For program point L28-4(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,750 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,750 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,750 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,750 INFO L899 garLoopResultBuilder]: For program point L28-7(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,751 INFO L895 garLoopResultBuilder]: At program point L28-8(line 28) the Hoare annotation is: (let ((.cse5 (<= 1 |ULTIMATE.start_main_~y~0#1|)) (.cse6 (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse7 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse0 (<= |ULTIMATE.start_main_~c~0#1| 9223372036854775806)) (.cse1 (<= |ULTIMATE.start_main_~k~0#1| 2147483647)) (.cse2 (<= ~counter~0 50)) (.cse3 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~x~0#1| 4611686018427387903))) (or (and .cse0 .cse1 .cse2 (= 40 |ULTIMATE.start_main_~y~0#1|) .cse3 (<= 40 |ULTIMATE.start_main_~x~0#1|) (<= 41 ~counter~0) .cse4) (and .cse0 .cse5 (= ~counter~0 50) .cse1 .cse6 .cse3 .cse4 (<= (+ (* 88 |ULTIMATE.start_main_~y~0#1|) .cse7) 9223372036854773871)) (and .cse0 (= 41 |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 (<= 42 ~counter~0) .cse4 (<= 41 |ULTIMATE.start_main_~x~0#1|)) (and .cse0 (= |ULTIMATE.start_main_~y~0#1| 27) .cse1 .cse2 .cse3 (<= 27 |ULTIMATE.start_main_~x~0#1|) (<= 28 ~counter~0) .cse4) (and .cse0 (<= 45 ~counter~0) .cse1 .cse2 .cse3 (= 44 |ULTIMATE.start_main_~y~0#1|) (<= 44 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 (<= 18 ~counter~0) (<= 17 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 (= |ULTIMATE.start_main_~y~0#1| 17) .cse3 .cse4) (and (<= 19 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 .cse3 (<= 20 ~counter~0) (= 19 |ULTIMATE.start_main_~y~0#1|) .cse4) (and (= |ULTIMATE.start_main_~c~0#1| 0) .cse1 (= |ULTIMATE.start_main_~y~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0)) (and (<= 46 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 (= 46 |ULTIMATE.start_main_~y~0#1|) .cse3 (<= 47 ~counter~0) .cse4) (and .cse0 (= |ULTIMATE.start_main_~y~0#1| 33) .cse1 .cse2 .cse3 (<= 34 ~counter~0) (<= 33 |ULTIMATE.start_main_~x~0#1|) .cse4) (and (<= 5 |ULTIMATE.start_main_~x~0#1|) (= 5 |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 .cse2 (<= 6 ~counter~0) .cse3 (<= |ULTIMATE.start_main_~x~0#1| 4611686018427387897)) (and (<= 25 ~counter~0) .cse0 (<= 24 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 24) .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 14 |ULTIMATE.start_main_~y~0#1|) (<= 14 |ULTIMATE.start_main_~x~0#1|) .cse4 (<= 15 ~counter~0)) (and (<= 13 ~counter~0) .cse0 (= |ULTIMATE.start_main_~y~0#1| 12) .cse1 .cse2 .cse3 (<= 12 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 (<= 49 ~counter~0) (<= (+ (* |ULTIMATE.start_main_~y~0#1| 90) .cse7) 9223372036854773782) .cse4) (and .cse0 (<= 31 ~counter~0) .cse1 .cse2 .cse3 (= 30 |ULTIMATE.start_main_~y~0#1|) .cse4 (<= 30 |ULTIMATE.start_main_~x~0#1|)) (and (= 6 |ULTIMATE.start_main_~y~0#1|) (<= 6 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 .cse3 (<= 7 ~counter~0) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 (<= 48 ~counter~0) (<= (+ (* 92 |ULTIMATE.start_main_~y~0#1|) .cse7) 9223372036854773691) .cse4) (and .cse0 (= ~counter~0 4) .cse1 (= 3 |ULTIMATE.start_main_~y~0#1|) .cse3 (<= |ULTIMATE.start_main_~x~0#1| 6) (<= 3 |ULTIMATE.start_main_~x~0#1|)) (and (= 23 |ULTIMATE.start_main_~y~0#1|) (<= 23 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 .cse3 (<= 24 ~counter~0) .cse4) (and .cse0 .cse1 .cse2 .cse3 (<= 16 ~counter~0) (<= 15 |ULTIMATE.start_main_~x~0#1|) .cse4 (= |ULTIMATE.start_main_~y~0#1| 15)) (and (<= 11 ~counter~0) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 10) .cse4 (<= 10 |ULTIMATE.start_main_~x~0#1|)) (and .cse0 (<= 30 ~counter~0) .cse1 .cse2 .cse3 (<= 29 |ULTIMATE.start_main_~x~0#1|) (= 29 |ULTIMATE.start_main_~y~0#1|) .cse4) (and .cse0 (<= 26 ~counter~0) .cse1 .cse2 .cse3 (<= 25 |ULTIMATE.start_main_~x~0#1|) .cse4 (= |ULTIMATE.start_main_~y~0#1| 25)) (and (<= |ULTIMATE.start_main_~c~0#1| 1) .cse1 (= |ULTIMATE.start_main_~x~0#1| 1) .cse3 (= |ULTIMATE.start_main_~y~0#1| 1) (= ~counter~0 2)) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 18) (<= 19 ~counter~0) .cse4 (<= 18 |ULTIMATE.start_main_~x~0#1|)) (and .cse0 (<= 42 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 .cse3 (<= 43 ~counter~0) (= 42 |ULTIMATE.start_main_~y~0#1|) .cse4) (and (<= 17 ~counter~0) .cse0 (= 16 |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 .cse4 (<= 16 |ULTIMATE.start_main_~x~0#1|)) (and (= |ULTIMATE.start_main_~y~0#1| 4) .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~x~0#1| 4611686018427387892) (<= 5 ~counter~0) (<= 4 |ULTIMATE.start_main_~x~0#1|)) (and .cse0 .cse1 .cse2 (<= 34 |ULTIMATE.start_main_~x~0#1|) .cse3 (= |ULTIMATE.start_main_~y~0#1| 34) .cse4 (<= 35 ~counter~0)) (and (<= 39 ~counter~0) .cse0 .cse1 .cse2 .cse3 (<= 38 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~y~0#1| 38) .cse4) (and (<= 39 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 39) .cse4 (<= 40 ~counter~0)) (and .cse0 (<= 37 ~counter~0) .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 36) (<= 36 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 (= 32 |ULTIMATE.start_main_~y~0#1|) (<= 33 ~counter~0) .cse1 .cse2 .cse3 (<= 32 |ULTIMATE.start_main_~x~0#1|) .cse4) (and (<= 8 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 (<= 9 ~counter~0) .cse3 (= |ULTIMATE.start_main_~y~0#1| 8) .cse4) (and .cse0 (<= 46 ~counter~0) (= |ULTIMATE.start_main_~y~0#1| 45) .cse1 .cse2 .cse3 (<= 45 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 (<= 20 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 .cse3 (<= 21 ~counter~0) (= |ULTIMATE.start_main_~y~0#1| 20) .cse4) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~y~0#1| 26) (<= 26 |ULTIMATE.start_main_~x~0#1|) (<= 27 ~counter~0) .cse4) (and .cse0 (<= 29 ~counter~0) .cse1 .cse2 .cse3 (<= 28 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~y~0#1| 28) .cse4) (and .cse0 (<= 37 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 (<= 38 ~counter~0) .cse3 .cse4 (= |ULTIMATE.start_main_~y~0#1| 37)) (and .cse0 (<= 14 ~counter~0) .cse1 .cse2 .cse3 (<= 13 |ULTIMATE.start_main_~x~0#1|) .cse4 (= |ULTIMATE.start_main_~y~0#1| 13)) (and .cse0 .cse1 .cse2 .cse3 (<= 31 |ULTIMATE.start_main_~x~0#1|) (= 31 |ULTIMATE.start_main_~y~0#1|) (<= 32 ~counter~0) .cse4) (and .cse0 (<= 21 |ULTIMATE.start_main_~x~0#1|) .cse1 (= 21 |ULTIMATE.start_main_~y~0#1|) .cse2 .cse3 (<= 22 ~counter~0) .cse4) (and .cse0 (<= 7 |ULTIMATE.start_main_~x~0#1|) (= 7 |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 (<= 8 ~counter~0) .cse4) (and .cse0 (<= 44 ~counter~0) (= |ULTIMATE.start_main_~y~0#1| 43) .cse1 .cse2 .cse3 (<= 43 |ULTIMATE.start_main_~x~0#1|) .cse4) (and (= 35 |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 35 |ULTIMATE.start_main_~x~0#1|) (<= 36 ~counter~0)) (and (= ~counter~0 3) (<= 2 |ULTIMATE.start_main_~x~0#1|) .cse1 (= 2 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 3) .cse3 (<= |ULTIMATE.start_main_~c~0#1| 9223372036854775805)) (and .cse0 (= |ULTIMATE.start_main_~y~0#1| 11) .cse1 .cse2 .cse3 (<= 12 ~counter~0) (<= 11 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 (= 22 |ULTIMATE.start_main_~y~0#1|) .cse1 .cse2 .cse3 (<= 23 ~counter~0) (<= 22 |ULTIMATE.start_main_~x~0#1|) .cse4) (and .cse0 .cse1 .cse2 (<= 10 ~counter~0) .cse3 (<= 9 |ULTIMATE.start_main_~x~0#1|) (= 9 |ULTIMATE.start_main_~y~0#1|) .cse4))) [2023-11-29 07:06:50,751 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,751 INFO L899 garLoopResultBuilder]: For program point L28-9(lines 27 36) no Hoare annotation was computed. [2023-11-29 07:06:50,751 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 07:06:50,751 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,751 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,752 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,753 INFO L902 garLoopResultBuilder]: At program point L37-7(line 37) the Hoare annotation is: true [2023-11-29 07:06:50,753 INFO L899 garLoopResultBuilder]: For program point L37-8(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 07:06:50,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,753 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 07:06:50,753 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-29 07:06:50,753 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 13) no Hoare annotation was computed. [2023-11-29 07:06:50,754 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2023-11-29 07:06:50,755 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-11-29 07:06:50,755 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 15) no Hoare annotation was computed. [2023-11-29 07:06:50,758 INFO L445 BasicCegarLoop]: Path program histogram: [6, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:06:50,761 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:06:50,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:06:50 BoogieIcfgContainer [2023-11-29 07:06:50,797 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:06:50,798 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:06:50,798 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:06:50,798 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:06:50,799 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:37" (3/4) ... [2023-11-29 07:06:50,801 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 07:06:50,804 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-29 07:06:50,808 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-29 07:06:50,808 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 07:06:50,809 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 07:06:50,809 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 07:06:50,917 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 07:06:50,918 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 07:06:50,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:06:50,919 INFO L158 Benchmark]: Toolchain (without parser) took 794640.91ms. Allocated memory was 144.7MB in the beginning and 618.7MB in the end (delta: 474.0MB). Free memory was 106.8MB in the beginning and 342.8MB in the end (delta: -236.0MB). Peak memory consumption was 237.6MB. Max. memory is 16.1GB. [2023-11-29 07:06:50,920 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:06:50,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.60ms. Allocated memory is still 144.7MB. Free memory was 106.8MB in the beginning and 96.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 07:06:50,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.59ms. Allocated memory is still 144.7MB. Free memory was 96.2MB in the beginning and 95.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:06:50,921 INFO L158 Benchmark]: Boogie Preprocessor took 39.90ms. Allocated memory is still 144.7MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 07:06:50,921 INFO L158 Benchmark]: RCFGBuilder took 456.51ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 116.2MB in the end (delta: -23.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-29 07:06:50,922 INFO L158 Benchmark]: TraceAbstraction took 793774.24ms. Allocated memory was 144.7MB in the beginning and 618.7MB in the end (delta: 474.0MB). Free memory was 115.7MB in the beginning and 348.1MB in the end (delta: -232.3MB). Peak memory consumption was 319.2MB. Max. memory is 16.1GB. [2023-11-29 07:06:50,922 INFO L158 Benchmark]: Witness Printer took 120.73ms. Allocated memory is still 618.7MB. Free memory was 347.0MB in the beginning and 342.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:06:50,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.60ms. Allocated memory is still 144.7MB. Free memory was 106.8MB in the beginning and 96.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.59ms. Allocated memory is still 144.7MB. Free memory was 96.2MB in the beginning and 95.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.90ms. Allocated memory is still 144.7MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.51ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 116.2MB in the end (delta: -23.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * TraceAbstraction took 793774.24ms. Allocated memory was 144.7MB in the beginning and 618.7MB in the end (delta: 474.0MB). Free memory was 115.7MB in the beginning and 348.1MB in the end (delta: -232.3MB). Peak memory consumption was 319.2MB. Max. memory is 16.1GB. * Witness Printer took 120.73ms. Allocated memory is still 618.7MB. Free memory was 347.0MB in the beginning and 342.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: 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: 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: 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: 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: 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, 60 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 793.7s, OverallIterations: 28, TraceHistogramMax: 95, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.1s, AutomataDifference: 41.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5456 SdHoareTripleChecker+Valid, 13.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5437 mSDsluCounter, 42371 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39643 mSDsCounter, 303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36739 IncrementalHoareTripleChecker+Invalid, 37042 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 303 mSolverCounterUnsat, 2728 mSDtfsCounter, 36739 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10694 GetRequests, 9788 SyntacticMatches, 101 SemanticMatches, 805 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 67595 ImplicationChecksByTransitivity, 53.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1931occurred in iteration=27, InterpolantAutomatonStates: 503, 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, 28 MinimizatonAttempts, 246 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 100 PreInvPairs, 202 NumberOfFragments, 2541 HoareAnnotationTreeSize, 100 FomulaSimplifications, 2849 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 924 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 661.6s SatisfiabilityAnalysisTime, 75.5s InterpolantComputationTime, 5550 NumberOfCodeBlocks, 4950 NumberOfCodeBlocksAsserted, 184 NumberOfCheckSat, 10452 ConstructedInterpolants, 4 QuantifiedInterpolants, 41255 SizeOfPredicates, 213 NumberOfNonLiveVariables, 8351 ConjunctsInSsa, 472 ConjunctsInUnsatCore, 42 InterpolantComputations, 15 PerfectInterpolantSequences, 224540/279052 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 24 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((23 == y) && (23 <= x)) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (23 <= counter)) && (x <= 4611686018427387903)) || ((((((((c <= 9223372036854775806) && (y == 12)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (12 <= counter)) && (12 <= x)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (26 <= counter)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (y == 26)) && (26 <= x)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (k <= 2147483647)) && (counter <= 50)) && (10 <= counter)) && (0 <= c)) && (y == 10)) && (x <= 4611686018427387903)) && (10 <= x))) || ((((((((c <= 9223372036854775806) && (37 <= counter)) && (37 <= x)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (x <= 4611686018427387903)) && (y == 37))) || ((((((((c <= 9223372036854775806) && (14 <= counter)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (14 == y)) && (14 <= x)) && (x <= 4611686018427387903))) || ((((((((19 <= x) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (19 <= counter)) && (19 == y)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (28 <= x)) && (y == 28)) && (28 <= counter)) && (x <= 4611686018427387903))) || (((((((((c <= 9223372036854775806) && (1 <= y)) && (k <= 2147483647)) && (counter <= 50)) && (y <= x)) && (0 <= c)) && (48 <= counter)) && (((y * 90) + (y * y)) <= 9223372036854773782)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (y == 27)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (27 <= x)) && (27 <= counter)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (18 <= counter)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (y == 18)) && (x <= 4611686018427387903)) && (18 <= x))) || ((((((((11 <= counter) && (c <= 9223372036854775806)) && (y == 11)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (11 <= x)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (21 <= x)) && (k <= 2147483647)) && (21 == y)) && (counter <= 50)) && (0 <= c)) && (21 <= counter)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (45 <= counter)) && (y == 45)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (45 <= x)) && (x <= 4611686018427387903))) || ((((((((6 == y) && (6 <= x)) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (counter <= 50)) && (6 <= counter)) && (0 <= c)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (y == 36)) && (36 <= x)) && (x <= 4611686018427387903)) && (36 <= counter))) || ((((((((c <= 9223372036854775806) && (29 <= counter)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (29 <= x)) && (29 == y)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (32 == y)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (32 <= x)) && (32 <= counter)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (1 <= y)) && (counter == 50)) && (k <= 2147483647)) && (y <= x)) && (0 <= c)) && (x <= 4611686018427387903)) && (((y * 86) + (y * y)) <= 9223372036854773958))) || ((((((((c <= 9223372036854775806) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (15 <= x)) && (x <= 4611686018427387903)) && (y == 15)) && (15 <= counter))) || ((((((((c <= 9223372036854775806) && (y == 33)) && (33 <= counter)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (33 <= x)) && (x <= 4611686018427387903))) || (((((((2 <= x) && (k <= 2147483647)) && (2 == y)) && (x <= 3)) && (0 <= c)) && (c <= 9223372036854775805)) && (counter == 2))) || ((((((((c <= 9223372036854775806) && (44 <= counter)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (44 == y)) && (44 <= x)) && (x <= 4611686018427387903))) || (((((((((c <= 9223372036854775806) && (1 <= y)) && (k <= 2147483647)) && (counter <= 50)) && (y <= x)) && (0 <= c)) && (47 <= counter)) && (((92 * y) + (y * y)) <= 9223372036854773691)) && (x <= 4611686018427387903))) || ((((((((35 == y) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (x <= 4611686018427387903)) && (35 <= x)) && (35 <= counter))) || ((((((((8 <= x) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (8 <= counter)) && (y == 8)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (30 <= counter)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (30 == y)) && (x <= 4611686018427387903)) && (30 <= x))) || (((((((y == 4) && (c <= 9223372036854775806)) && (counter == 4)) && (k <= 2147483647)) && (0 <= c)) && (x <= 4611686018427387892)) && (4 <= x))) || ((((((((c <= 9223372036854775806) && (20 <= x)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (y == 20)) && (20 <= counter)) && (x <= 4611686018427387903))) || ((((((((13 <= counter) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (13 <= x)) && (x <= 4611686018427387903)) && (y == 13))) || ((((((((c <= 9223372036854775806) && (22 == y)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (22 <= counter)) && (22 <= x)) && (x <= 4611686018427387903))) || ((((((c <= 1) && (k <= 2147483647)) && (x == 1)) && (0 <= c)) && (y == 1)) && (counter == 1))) || ((((((((c <= 9223372036854775806) && (k <= 2147483647)) && (counter <= 50)) && (34 <= x)) && (0 <= c)) && (34 <= counter)) && (y == 34)) && (x <= 4611686018427387903))) || ((((((((17 <= counter) && (c <= 9223372036854775806)) && (17 <= x)) && (k <= 2147483647)) && (counter <= 50)) && (y == 17)) && (0 <= c)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (k <= 2147483647)) && (counter <= 50)) && (38 <= counter)) && (0 <= c)) && (38 <= x)) && (y == 38)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (41 == y)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (41 <= counter)) && (x <= 4611686018427387903)) && (41 <= x))) || ((((((((c <= 9223372036854775806) && (y == 43)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (43 <= x)) && (43 <= counter)) && (x <= 4611686018427387903))) || ((((((((5 <= x) && (5 == y)) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (5 <= counter)) && (x <= 4611686018427387897))) || ((((((((c <= 9223372036854775806) && (31 <= counter)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (31 <= x)) && (31 == y)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (k <= 2147483647)) && (counter <= 50)) && (9 <= counter)) && (0 <= c)) && (9 <= x)) && (9 == y)) && (x <= 4611686018427387903))) || (((((((counter == 3) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (3 == y)) && (0 <= c)) && (x <= 6)) && (3 <= x))) || (((((c == 0) && (k <= 2147483647)) && (y == 0)) && (counter == 0)) && (x == 0))) || ((((((((25 <= counter) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (25 <= x)) && (x <= 4611686018427387903)) && (y == 25))) || (((((((((c <= 9223372036854775806) && (1 <= y)) && (k <= 2147483647)) && (counter <= 50)) && (y <= x)) && (0 <= c)) && (49 <= counter)) && (x <= 4611686018427387903)) && (((88 * y) + (y * y)) <= 9223372036854773871))) || ((((((((c <= 9223372036854775806) && (7 <= x)) && (7 == y)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (7 <= counter)) && (x <= 4611686018427387903))) || ((((((((39 <= x) && (39 <= counter)) && (c <= 9223372036854775806)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (y == 39)) && (x <= 4611686018427387903))) || ((((((((46 <= x) && (c <= 9223372036854775806)) && (46 <= counter)) && (k <= 2147483647)) && (counter <= 50)) && (46 == y)) && (0 <= c)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (16 == y)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (16 <= counter)) && (x <= 4611686018427387903)) && (16 <= x))) || ((((((((c <= 9223372036854775806) && (k <= 2147483647)) && (counter <= 50)) && (40 == y)) && (0 <= c)) && (40 <= x)) && (x <= 4611686018427387903)) && (40 <= counter))) || ((((((((c <= 9223372036854775806) && (42 <= x)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (42 <= counter)) && (42 == y)) && (x <= 4611686018427387903))) || ((((((((c <= 9223372036854775806) && (24 <= x)) && (k <= 2147483647)) && (counter <= 50)) && (0 <= c)) && (y == 24)) && (24 <= counter)) && (x <= 4611686018427387903))) RESULT: Ultimate proved your program to be correct! [2023-11-29 07:06:51,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6f16a7-8a78-45a8-ba3c-87b2fb506346/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE