./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:47:22,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:47:22,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:47:22,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:47:22,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:47:22,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:47:22,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:47:22,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:47:22,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:47:22,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:47:22,716 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:47:22,717 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:47:22,717 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:47:22,718 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:47:22,719 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:47:22,719 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:47:22,719 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:47:22,720 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:47:22,720 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:47:22,720 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:47:22,721 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:47:22,725 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:47:22,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:47:22,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:47:22,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:47:22,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:47:22,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:47:22,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:47:22,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:47:22,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:47:22,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:47:22,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:47:22,733 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:47:22,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:47:22,734 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:47:22,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:47:22,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:47:22,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:47:22,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:47:22,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:47:22,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:47:22,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:47:22,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:47:22,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:47:22,738 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:47:22,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:47:22,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:47:22,739 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:47:22,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:47:22,740 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 [2024-11-09 05:47:23,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:47:23,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:47:23,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:47:23,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:47:23,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:47:23,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c Unable to find full path for "g++" [2024-11-09 05:47:25,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:47:25,451 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:47:25,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2024-11-09 05:47:25,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/data/c8682caf3/4922a468185b480991ff50bd1f430986/FLAGaf12b0152 [2024-11-09 05:47:25,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/data/c8682caf3/4922a468185b480991ff50bd1f430986 [2024-11-09 05:47:25,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:47:25,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:47:25,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:47:25,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:47:25,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:47:25,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d7c0e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25, skipping insertion in model container [2024-11-09 05:47:25,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:47:25,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:47:25,793 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:47:25,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:47:25,827 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:47:25,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25 WrapperNode [2024-11-09 05:47:25,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:47:25,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:47:25,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:47:25,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:47:25,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,871 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-11-09 05:47:25,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:47:25,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:47:25,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:47:25,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:47:25,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:47:25,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:47:25,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:47:25,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:47:25,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (1/1) ... [2024-11-09 05:47:25,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:47:25,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:25,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:47:25,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:47:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:47:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:47:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:47:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:47:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:47:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:47:26,025 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:47:26,030 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:47:26,373 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-09 05:47:26,374 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:47:26,420 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:47:26,421 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 05:47:26,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:47:26 BoogieIcfgContainer [2024-11-09 05:47:26,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:47:26,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:47:26,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:47:26,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:47:26,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:47:25" (1/3) ... [2024-11-09 05:47:26,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1c78bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:47:26, skipping insertion in model container [2024-11-09 05:47:26,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:25" (2/3) ... [2024-11-09 05:47:26,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1c78bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:47:26, skipping insertion in model container [2024-11-09 05:47:26,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:47:26" (3/3) ... [2024-11-09 05:47:26,432 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_unwindbound10.c [2024-11-09 05:47:26,450 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:47:26,450 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-09 05:47:26,512 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:47:26,519 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@8d66052, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:47:26,519 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-09 05:47:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 66 states have internal predecessors, (73), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 05:47:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:47:26,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:26,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:47:26,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:26,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:26,535 INFO L85 PathProgramCache]: Analyzing trace with hash 161641, now seen corresponding path program 1 times [2024-11-09 05:47:26,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:26,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262509074] [2024-11-09 05:47:26,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:26,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:26,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:26,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:26,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262509074] [2024-11-09 05:47:26,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262509074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:26,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:26,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:47:26,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230566203] [2024-11-09 05:47:26,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:26,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:47:26,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:26,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:47:26,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:47:26,831 INFO L87 Difference]: Start difference. First operand has 75 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 66 states have internal predecessors, (73), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2024-11-09 05:47:26,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:26,932 INFO L93 Difference]: Finished difference Result 133 states and 153 transitions. [2024-11-09 05:47:26,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:47:26,935 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 [2024-11-09 05:47:26,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:26,944 INFO L225 Difference]: With dead ends: 133 [2024-11-09 05:47:26,944 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 05:47:26,947 INFO L431 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 [2024-11-09 05:47:26,951 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 4 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:26,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 230 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:47:26,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 05:47:26,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-09 05:47:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 68 states have internal predecessors, (73), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:47:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2024-11-09 05:47:26,995 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 3 [2024-11-09 05:47:26,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:26,995 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2024-11-09 05:47:26,995 INFO L472 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) [2024-11-09 05:47:26,996 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2024-11-09 05:47:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 05:47:26,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:26,997 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:26,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:47:26,998 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:26,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:26,999 INFO L85 PathProgramCache]: Analyzing trace with hash 120431135, now seen corresponding path program 1 times [2024-11-09 05:47:26,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:26,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601970868] [2024-11-09 05:47:26,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:27,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:47:27,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [748143067] [2024-11-09 05:47:27,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:27,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:27,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:27,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:27,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:47:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:27,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:47:27,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:47:27,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:47:27,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:27,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601970868] [2024-11-09 05:47:27,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:47:27,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748143067] [2024-11-09 05:47:27,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748143067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:27,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:27,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:47:27,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585226594] [2024-11-09 05:47:27,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:27,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:47:27,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:27,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:47:27,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:27,197 INFO L87 Difference]: Start difference. First operand 75 states and 83 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:47:27,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:27,304 INFO L93 Difference]: Finished difference Result 162 states and 186 transitions. [2024-11-09 05:47:27,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:47:27,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 12 [2024-11-09 05:47:27,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:27,306 INFO L225 Difference]: With dead ends: 162 [2024-11-09 05:47:27,306 INFO L226 Difference]: Without dead ends: 110 [2024-11-09 05:47:27,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:27,308 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 29 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:27,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 114 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:27,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-09 05:47:27,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 98. [2024-11-09 05:47:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 59 states have (on average 1.7118644067796611) internal successors, (101), 86 states have internal predecessors, (101), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:47:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 121 transitions. [2024-11-09 05:47:27,322 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 121 transitions. Word has length 12 [2024-11-09 05:47:27,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:27,326 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 121 transitions. [2024-11-09 05:47:27,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:47:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2024-11-09 05:47:27,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 05:47:27,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:27,327 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:27,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:27,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-09 05:47:27,531 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:27,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:27,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1431489991, now seen corresponding path program 1 times [2024-11-09 05:47:27,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:27,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699550900] [2024-11-09 05:47:27,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:27,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:27,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:27,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699550900] [2024-11-09 05:47:27,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699550900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:27,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:27,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:47:27,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44464644] [2024-11-09 05:47:27,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:27,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:47:27,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:27,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:47:27,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:27,648 INFO L87 Difference]: Start difference. First operand 98 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:27,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:27,738 INFO L93 Difference]: Finished difference Result 110 states and 128 transitions. [2024-11-09 05:47:27,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:47:27,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2024-11-09 05:47:27,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:27,740 INFO L225 Difference]: With dead ends: 110 [2024-11-09 05:47:27,740 INFO L226 Difference]: Without dead ends: 108 [2024-11-09 05:47:27,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:27,742 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 23 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:27,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 127 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:27,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-09 05:47:27,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 98. [2024-11-09 05:47:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 59 states have (on average 1.6779661016949152) internal successors, (99), 86 states have internal predecessors, (99), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:47:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 119 transitions. [2024-11-09 05:47:27,768 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 119 transitions. Word has length 18 [2024-11-09 05:47:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:27,768 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 119 transitions. [2024-11-09 05:47:27,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 119 transitions. [2024-11-09 05:47:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 05:47:27,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:27,771 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:27,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:47:27,772 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:27,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:27,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1426518238, now seen corresponding path program 1 times [2024-11-09 05:47:27,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:27,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155695854] [2024-11-09 05:47:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:27,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:27,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:27,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155695854] [2024-11-09 05:47:27,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155695854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:27,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:27,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:47:27,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532025434] [2024-11-09 05:47:27,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:27,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:47:27,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:27,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:47:27,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:47:27,946 INFO L87 Difference]: Start difference. First operand 98 states and 119 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:28,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:28,077 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions. [2024-11-09 05:47:28,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:47:28,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2024-11-09 05:47:28,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:28,079 INFO L225 Difference]: With dead ends: 119 [2024-11-09 05:47:28,079 INFO L226 Difference]: Without dead ends: 118 [2024-11-09 05:47:28,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:47:28,081 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 44 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:28,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 331 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:28,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-09 05:47:28,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2024-11-09 05:47:28,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 60 states have (on average 1.65) internal successors, (99), 87 states have internal predecessors, (99), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:47:28,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 119 transitions. [2024-11-09 05:47:28,094 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 119 transitions. Word has length 19 [2024-11-09 05:47:28,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:28,094 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 119 transitions. [2024-11-09 05:47:28,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:28,094 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2024-11-09 05:47:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:47:28,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:28,095 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:28,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:47:28,096 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:28,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:28,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1272392343, now seen corresponding path program 1 times [2024-11-09 05:47:28,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:28,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312958461] [2024-11-09 05:47:28,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:28,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:28,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312958461] [2024-11-09 05:47:28,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312958461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:28,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:28,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:47:28,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023314226] [2024-11-09 05:47:28,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:28,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:47:28,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:28,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:47:28,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:47:28,254 INFO L87 Difference]: Start difference. First operand 100 states and 119 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:28,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:28,362 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2024-11-09 05:47:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 05:47:28,363 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2024-11-09 05:47:28,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:28,364 INFO L225 Difference]: With dead ends: 116 [2024-11-09 05:47:28,364 INFO L226 Difference]: Without dead ends: 107 [2024-11-09 05:47:28,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:47:28,366 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:28,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 292 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:28,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-09 05:47:28,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 102. [2024-11-09 05:47:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 61 states have (on average 1.6065573770491803) internal successors, (98), 88 states have internal predecessors, (98), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:47:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2024-11-09 05:47:28,392 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 20 [2024-11-09 05:47:28,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:28,393 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2024-11-09 05:47:28,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2024-11-09 05:47:28,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 05:47:28,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:28,394 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:28,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:47:28,394 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:28,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:28,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1296640299, now seen corresponding path program 1 times [2024-11-09 05:47:28,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:28,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571617017] [2024-11-09 05:47:28,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:28,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:47:28,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [483249695] [2024-11-09 05:47:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:28,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:28,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:28,419 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:28,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:47:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:28,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:47:28,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:28,530 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:47:28,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:28,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571617017] [2024-11-09 05:47:28,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:47:28,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483249695] [2024-11-09 05:47:28,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483249695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:28,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:28,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:47:28,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626019704] [2024-11-09 05:47:28,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:28,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:47:28,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:28,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:47:28,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:28,533 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:28,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:28,652 INFO L93 Difference]: Finished difference Result 142 states and 168 transitions. [2024-11-09 05:47:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:47:28,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2024-11-09 05:47:28,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:28,654 INFO L225 Difference]: With dead ends: 142 [2024-11-09 05:47:28,654 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 05:47:28,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:28,656 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 45 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:28,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 96 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:28,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 05:47:28,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 122. [2024-11-09 05:47:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 79 states have (on average 1.6075949367088607) internal successors, (127), 106 states have internal predecessors, (127), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:47:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 151 transitions. [2024-11-09 05:47:28,682 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 151 transitions. Word has length 22 [2024-11-09 05:47:28,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:28,683 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 151 transitions. [2024-11-09 05:47:28,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 151 transitions. [2024-11-09 05:47:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:47:28,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:28,684 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:28,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:47:28,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 05:47:28,891 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:28,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:28,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1333821688, now seen corresponding path program 1 times [2024-11-09 05:47:28,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:28,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13630978] [2024-11-09 05:47:28,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:28,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:29,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:29,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13630978] [2024-11-09 05:47:29,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13630978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:29,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263172199] [2024-11-09 05:47:29,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:29,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:29,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:29,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:29,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:47:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:29,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:47:29,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:29,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:47:29,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263172199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:29,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:47:29,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 05:47:29,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846032407] [2024-11-09 05:47:29,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:29,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:47:29,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:29,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:47:29,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:47:29,212 INFO L87 Difference]: Start difference. First operand 122 states and 151 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:29,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:29,263 INFO L93 Difference]: Finished difference Result 129 states and 157 transitions. [2024-11-09 05:47:29,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:47:29,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-09 05:47:29,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:29,266 INFO L225 Difference]: With dead ends: 129 [2024-11-09 05:47:29,266 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 05:47:29,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:47:29,268 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 17 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:29,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 255 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:47:29,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 05:47:29,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 123. [2024-11-09 05:47:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 80 states have (on average 1.5875) internal successors, (127), 106 states have internal predecessors, (127), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:47:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 151 transitions. [2024-11-09 05:47:29,288 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 151 transitions. Word has length 23 [2024-11-09 05:47:29,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:29,289 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 151 transitions. [2024-11-09 05:47:29,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 151 transitions. [2024-11-09 05:47:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 05:47:29,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:29,290 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:29,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:47:29,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:29,495 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:29,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:29,495 INFO L85 PathProgramCache]: Analyzing trace with hash 530814189, now seen corresponding path program 1 times [2024-11-09 05:47:29,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:29,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793423946] [2024-11-09 05:47:29,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:29,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:47:29,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1913572402] [2024-11-09 05:47:29,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:29,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:29,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:29,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:47:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:29,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:47:29,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:29,719 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:47:29,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:29,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793423946] [2024-11-09 05:47:29,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:47:29,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913572402] [2024-11-09 05:47:29,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913572402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:29,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:29,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:47:29,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49876619] [2024-11-09 05:47:29,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:29,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:47:29,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:29,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:47:29,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:29,724 INFO L87 Difference]: Start difference. First operand 123 states and 151 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:29,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:29,815 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2024-11-09 05:47:29,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:47:29,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-09 05:47:29,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:29,818 INFO L225 Difference]: With dead ends: 137 [2024-11-09 05:47:29,818 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 05:47:29,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:29,819 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 38 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:29,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 87 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:29,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 05:47:29,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 124. [2024-11-09 05:47:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 81 states have (on average 1.5555555555555556) internal successors, (126), 107 states have internal predecessors, (126), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:47:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 150 transitions. [2024-11-09 05:47:29,840 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 150 transitions. Word has length 24 [2024-11-09 05:47:29,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:29,841 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 150 transitions. [2024-11-09 05:47:29,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:29,841 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 150 transitions. [2024-11-09 05:47:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 05:47:29,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:29,842 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:29,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:30,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:30,043 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:30,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:30,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1601200672, now seen corresponding path program 1 times [2024-11-09 05:47:30,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:30,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468547109] [2024-11-09 05:47:30,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:30,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:30,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468547109] [2024-11-09 05:47:30,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468547109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:30,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628714025] [2024-11-09 05:47:30,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:30,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:30,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:30,183 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:30,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:47:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:30,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:47:30,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:30,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:47:30,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628714025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:30,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:47:30,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 05:47:30,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622846181] [2024-11-09 05:47:30,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:30,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:47:30,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:47:30,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:47:30,316 INFO L87 Difference]: Start difference. First operand 124 states and 150 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:30,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:30,396 INFO L93 Difference]: Finished difference Result 129 states and 155 transitions. [2024-11-09 05:47:30,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:47:30,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-09 05:47:30,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:30,398 INFO L225 Difference]: With dead ends: 129 [2024-11-09 05:47:30,399 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 05:47:30,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:47:30,400 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 15 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:30,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 254 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:47:30,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 05:47:30,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 123. [2024-11-09 05:47:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 81 states have (on average 1.5432098765432098) internal successors, (125), 106 states have internal predecessors, (125), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:47:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 149 transitions. [2024-11-09 05:47:30,417 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 149 transitions. Word has length 24 [2024-11-09 05:47:30,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:30,417 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 149 transitions. [2024-11-09 05:47:30,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2024-11-09 05:47:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 05:47:30,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:30,420 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:30,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 05:47:30,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 05:47:30,621 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:30,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:30,621 INFO L85 PathProgramCache]: Analyzing trace with hash -724629237, now seen corresponding path program 1 times [2024-11-09 05:47:30,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:30,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591553827] [2024-11-09 05:47:30,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:30,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:30,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:30,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591553827] [2024-11-09 05:47:30,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591553827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:30,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:30,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:47:30,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825488848] [2024-11-09 05:47:30,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:30,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:47:30,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:30,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:47:30,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:47:30,713 INFO L87 Difference]: Start difference. First operand 123 states and 149 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:31,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:31,313 INFO L93 Difference]: Finished difference Result 143 states and 175 transitions. [2024-11-09 05:47:31,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:47:31,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-09 05:47:31,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:31,314 INFO L225 Difference]: With dead ends: 143 [2024-11-09 05:47:31,314 INFO L226 Difference]: Without dead ends: 142 [2024-11-09 05:47:31,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:47:31,315 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 90 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:31,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 142 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:47:31,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-09 05:47:31,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 131. [2024-11-09 05:47:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 89 states have (on average 1.5393258426966292) internal successors, (137), 114 states have internal predecessors, (137), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:47:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 161 transitions. [2024-11-09 05:47:31,329 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 161 transitions. Word has length 25 [2024-11-09 05:47:31,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:31,329 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 161 transitions. [2024-11-09 05:47:31,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:47:31,330 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 161 transitions. [2024-11-09 05:47:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 05:47:31,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:31,331 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:31,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:47:31,331 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:31,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:31,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1462473773, now seen corresponding path program 1 times [2024-11-09 05:47:31,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:31,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779968834] [2024-11-09 05:47:31,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:31,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:31,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:31,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779968834] [2024-11-09 05:47:31,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779968834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:31,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86113950] [2024-11-09 05:47:31,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:31,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:31,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:31,418 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:31,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 05:47:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:31,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:47:31,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:31,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:31,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86113950] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:31,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1503451066] [2024-11-09 05:47:31,658 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2024-11-09 05:47:31,659 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:47:31,665 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:47:31,672 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:47:31,673 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:47:34,769 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2024-11-09 05:47:34,770 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:47:37,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1503451066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:37,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:47:37,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [7, 5, 6] total 28 [2024-11-09 05:47:37,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479867635] [2024-11-09 05:47:37,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:37,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 05:47:37,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:37,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 05:47:37,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:47:37,080 INFO L87 Difference]: Start difference. First operand 131 states and 161 transitions. Second operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:47:38,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:38,586 INFO L93 Difference]: Finished difference Result 191 states and 224 transitions. [2024-11-09 05:47:38,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 05:47:38,587 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2024-11-09 05:47:38,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:38,588 INFO L225 Difference]: With dead ends: 191 [2024-11-09 05:47:38,588 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 05:47:38,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=194, Invalid=862, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:47:38,589 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 108 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:38,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 166 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 05:47:38,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 05:47:38,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 144. [2024-11-09 05:47:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 103 states have (on average 1.4368932038834952) internal successors, (148), 124 states have internal predecessors, (148), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:47:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 176 transitions. [2024-11-09 05:47:38,605 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 176 transitions. Word has length 27 [2024-11-09 05:47:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:38,605 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 176 transitions. [2024-11-09 05:47:38,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:47:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 176 transitions. [2024-11-09 05:47:38,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 05:47:38,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:38,606 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:38,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:38,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 05:47:38,810 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:38,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1907953218, now seen corresponding path program 1 times [2024-11-09 05:47:38,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:38,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098892355] [2024-11-09 05:47:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:38,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:38,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:38,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098892355] [2024-11-09 05:47:38,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098892355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:38,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536502669] [2024-11-09 05:47:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:38,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:38,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:38,903 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:38,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:47:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:38,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:47:38,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:39,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:47:39,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536502669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:39,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [260938436] [2024-11-09 05:47:39,067 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 05:47:39,067 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:47:39,068 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:47:39,068 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:47:39,068 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:47:41,288 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2024-11-09 05:47:41,290 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:47:43,305 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4067#(and (<= 1 |#StackHeapBarrier|) (= (mod |ULTIMATE.start_main_~p~0#1| 2) 0) (<= 0 (+ (div (* (- 1) |ULTIMATE.start_main_~p~0#1|) 2) 1073741823)) (= |ULTIMATE.start_main_~q~0#1| 0) (= ~counter~0 2147483647) (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|) (<= |ULTIMATE.start_main_~A~0#1| 2147483647) (= |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~p~0#1|) (= |ULTIMATE.start_main_~B~0#1| 1) (<= 0 (+ (div (* (- 1) |ULTIMATE.start_main_~p~0#1|) 2) |ULTIMATE.start_main_~r~0#1|)) (<= (div (* (- 1) |ULTIMATE.start_main_~p~0#1|) 2) 1073741824))' at error location [2024-11-09 05:47:43,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:47:43,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:47:43,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-09 05:47:43,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985593827] [2024-11-09 05:47:43,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:47:43,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 05:47:43,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:43,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 05:47:43,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2024-11-09 05:47:43,307 INFO L87 Difference]: Start difference. First operand 144 states and 176 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 05:47:43,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:43,538 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2024-11-09 05:47:43,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 05:47:43,538 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 28 [2024-11-09 05:47:43,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:43,539 INFO L225 Difference]: With dead ends: 292 [2024-11-09 05:47:43,540 INFO L226 Difference]: Without dead ends: 196 [2024-11-09 05:47:43,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=210, Invalid=980, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:47:43,543 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 51 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:43,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 455 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:43,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-09 05:47:43,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 182. [2024-11-09 05:47:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 133 states have (on average 1.3834586466165413) internal successors, (184), 154 states have internal predecessors, (184), 20 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:47:43,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2024-11-09 05:47:43,567 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 224 transitions. Word has length 28 [2024-11-09 05:47:43,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:43,568 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 224 transitions. [2024-11-09 05:47:43,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 05:47:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 224 transitions. [2024-11-09 05:47:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 05:47:43,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:43,574 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:43,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:43,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 05:47:43,775 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:43,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:43,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1731860666, now seen corresponding path program 1 times [2024-11-09 05:47:43,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:43,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848001927] [2024-11-09 05:47:43,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:43,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:47:43,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:43,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848001927] [2024-11-09 05:47:43,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848001927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:43,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486772203] [2024-11-09 05:47:43,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:43,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:43,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:43,852 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:43,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 05:47:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:43,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:47:43,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:47:43,959 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:47:43,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486772203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:43,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:47:43,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 05:47:43,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519048340] [2024-11-09 05:47:43,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:43,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:47:43,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:43,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:47:43,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:47:43,961 INFO L87 Difference]: Start difference. First operand 182 states and 224 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:47:44,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:44,089 INFO L93 Difference]: Finished difference Result 262 states and 331 transitions. [2024-11-09 05:47:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:47:44,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2024-11-09 05:47:44,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:44,092 INFO L225 Difference]: With dead ends: 262 [2024-11-09 05:47:44,092 INFO L226 Difference]: Without dead ends: 260 [2024-11-09 05:47:44,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:47:44,093 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 62 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:44,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 162 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:44,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-09 05:47:44,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 231. [2024-11-09 05:47:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 177 states have (on average 1.4406779661016949) internal successors, (255), 197 states have internal predecessors, (255), 26 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 05:47:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 307 transitions. [2024-11-09 05:47:44,131 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 307 transitions. Word has length 38 [2024-11-09 05:47:44,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:44,131 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 307 transitions. [2024-11-09 05:47:44,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:47:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 307 transitions. [2024-11-09 05:47:44,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 05:47:44,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:44,138 INFO L215 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:44,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:44,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 05:47:44,339 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:44,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:44,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1680303928, now seen corresponding path program 1 times [2024-11-09 05:47:44,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:44,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892643557] [2024-11-09 05:47:44,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:44,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:47:44,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:44,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892643557] [2024-11-09 05:47:44,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892643557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:44,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:44,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:47:44,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498297147] [2024-11-09 05:47:44,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:44,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:47:44,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:44,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:47:44,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:47:44,477 INFO L87 Difference]: Start difference. First operand 231 states and 307 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:47:44,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:44,597 INFO L93 Difference]: Finished difference Result 236 states and 311 transitions. [2024-11-09 05:47:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:47:44,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-11-09 05:47:44,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:44,599 INFO L225 Difference]: With dead ends: 236 [2024-11-09 05:47:44,599 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 05:47:44,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:47:44,600 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 25 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:44,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 113 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 05:47:44,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-09 05:47:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 165 states have (on average 1.4666666666666666) internal successors, (242), 185 states have internal predecessors, (242), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 05:47:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 290 transitions. [2024-11-09 05:47:44,624 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 290 transitions. Word has length 38 [2024-11-09 05:47:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:44,625 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 290 transitions. [2024-11-09 05:47:44,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:47:44,625 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 290 transitions. [2024-11-09 05:47:44,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:47:44,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:44,626 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:44,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:47:44,626 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:44,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:44,627 INFO L85 PathProgramCache]: Analyzing trace with hash -2146895679, now seen corresponding path program 1 times [2024-11-09 05:47:44,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:44,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514053013] [2024-11-09 05:47:44,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:44,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:47:44,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:44,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514053013] [2024-11-09 05:47:44,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514053013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:44,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189500334] [2024-11-09 05:47:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:44,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:44,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:44,741 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:44,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:47:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:44,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:47:44,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:47:44,922 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:47:44,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189500334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:44,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:47:44,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-09 05:47:44,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430010253] [2024-11-09 05:47:44,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:44,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:47:44,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:44,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:47:44,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:47:44,925 INFO L87 Difference]: Start difference. First operand 216 states and 290 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:47:44,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:44,996 INFO L93 Difference]: Finished difference Result 216 states and 290 transitions. [2024-11-09 05:47:44,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:47:44,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2024-11-09 05:47:44,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:44,997 INFO L225 Difference]: With dead ends: 216 [2024-11-09 05:47:44,998 INFO L226 Difference]: Without dead ends: 215 [2024-11-09 05:47:44,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:47:44,999 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 61 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:44,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 174 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:47:45,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-09 05:47:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-09 05:47:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 165 states have (on average 1.4303030303030304) internal successors, (236), 184 states have internal predecessors, (236), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 05:47:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 284 transitions. [2024-11-09 05:47:45,025 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 284 transitions. Word has length 39 [2024-11-09 05:47:45,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:45,025 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 284 transitions. [2024-11-09 05:47:45,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:47:45,025 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 284 transitions. [2024-11-09 05:47:45,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:47:45,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:45,026 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 05:47:45,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:45,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 05:47:45,227 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:45,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:45,227 INFO L85 PathProgramCache]: Analyzing trace with hash -2146894141, now seen corresponding path program 1 times [2024-11-09 05:47:45,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:45,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229580283] [2024-11-09 05:47:45,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:45,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:47:45,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:45,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229580283] [2024-11-09 05:47:45,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229580283] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:45,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746742415] [2024-11-09 05:47:45,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:45,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:45,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:45,293 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:45,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 05:47:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:45,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:47:45,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:47:45,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:45,464 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:47:45,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746742415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:45,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [432597003] [2024-11-09 05:47:45,467 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2024-11-09 05:47:45,467 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:47:45,467 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:47:45,467 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:47:45,467 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:47:47,537 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2024-11-09 05:47:47,538 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:47:49,108 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6843#(and (<= 1 |#StackHeapBarrier|) (<= 1 ~counter~0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~r~0#1|) (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|) (<= |ULTIMATE.start_main_~A~0#1| 2147483647) (= |ULTIMATE.start_main_~B~0#1| 1) (<= 1073741824 |ULTIMATE.start_main_~p~0#1|))' at error location [2024-11-09 05:47:49,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:47:49,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:47:49,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 05:47:49,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76261273] [2024-11-09 05:47:49,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:47:49,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:47:49,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:49,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:47:49,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:47:49,110 INFO L87 Difference]: Start difference. First operand 215 states and 284 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 05:47:49,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:49,337 INFO L93 Difference]: Finished difference Result 486 states and 684 transitions. [2024-11-09 05:47:49,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:47:49,337 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 39 [2024-11-09 05:47:49,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:49,340 INFO L225 Difference]: With dead ends: 486 [2024-11-09 05:47:49,340 INFO L226 Difference]: Without dead ends: 484 [2024-11-09 05:47:49,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:47:49,341 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 154 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:49,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 299 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:47:49,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-09 05:47:49,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 321. [2024-11-09 05:47:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 258 states have (on average 1.4922480620155039) internal successors, (385), 277 states have internal predecessors, (385), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 05:47:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 459 transitions. [2024-11-09 05:47:49,380 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 459 transitions. Word has length 39 [2024-11-09 05:47:49,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:49,381 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 459 transitions. [2024-11-09 05:47:49,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 05:47:49,381 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 459 transitions. [2024-11-09 05:47:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 05:47:49,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:49,382 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:49,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:49,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 05:47:49,586 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:49,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:49,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2129256534, now seen corresponding path program 1 times [2024-11-09 05:47:49,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:49,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525741753] [2024-11-09 05:47:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:47:49,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:49,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525741753] [2024-11-09 05:47:49,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525741753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:49,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136081903] [2024-11-09 05:47:49,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:49,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:49,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:49,750 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:49,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 05:47:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:49,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:47:49,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:47:49,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 05:47:50,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136081903] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:50,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1243243903] [2024-11-09 05:47:50,038 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 05:47:50,039 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:47:50,039 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:47:50,039 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:47:50,039 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:47:51,798 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2024-11-09 05:47:51,800 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:47:53,876 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8070#(and (<= 0 (+ |ULTIMATE.start_main_~A~0#1| 2147483648)) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~d~0#1| 2147483647) (= |ULTIMATE.start_main_~q~0#1| 0) (<= 2147483647 ~counter~0) (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|) (= |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~p~0#1|) (= |ULTIMATE.start_main_~B~0#1| 1) (<= (+ |ULTIMATE.start_main_~r~0#1| 1) |ULTIMATE.start_main_~d~0#1|))' at error location [2024-11-09 05:47:53,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:47:53,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:47:53,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-09 05:47:53,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215009833] [2024-11-09 05:47:53,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:47:53,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 05:47:53,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:53,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 05:47:53,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1009, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:47:53,879 INFO L87 Difference]: Start difference. First operand 321 states and 459 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-09 05:47:54,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:54,269 INFO L93 Difference]: Finished difference Result 439 states and 595 transitions. [2024-11-09 05:47:54,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 05:47:54,270 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 40 [2024-11-09 05:47:54,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:54,272 INFO L225 Difference]: With dead ends: 439 [2024-11-09 05:47:54,272 INFO L226 Difference]: Without dead ends: 433 [2024-11-09 05:47:54,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 90 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=338, Invalid=1824, Unknown=0, NotChecked=0, Total=2162 [2024-11-09 05:47:54,274 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 179 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:54,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 562 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:47:54,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-09 05:47:54,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 396. [2024-11-09 05:47:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 325 states have (on average 1.4676923076923076) internal successors, (477), 344 states have internal predecessors, (477), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 05:47:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 563 transitions. [2024-11-09 05:47:54,330 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 563 transitions. Word has length 40 [2024-11-09 05:47:54,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:54,331 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 563 transitions. [2024-11-09 05:47:54,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 19 states have internal predecessors, (66), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-09 05:47:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 563 transitions. [2024-11-09 05:47:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 05:47:54,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:54,332 INFO L215 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:54,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:54,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 05:47:54,533 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:54,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:54,533 INFO L85 PathProgramCache]: Analyzing trace with hash 68366806, now seen corresponding path program 1 times [2024-11-09 05:47:54,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:54,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712487461] [2024-11-09 05:47:54,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 05:47:54,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:54,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712487461] [2024-11-09 05:47:54,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712487461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:54,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:54,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:47:54,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896845636] [2024-11-09 05:47:54,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:54,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:47:54,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:54,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:47:54,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:54,578 INFO L87 Difference]: Start difference. First operand 396 states and 563 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:47:54,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:54,853 INFO L93 Difference]: Finished difference Result 407 states and 573 transitions. [2024-11-09 05:47:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:47:54,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-09 05:47:54,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:54,857 INFO L225 Difference]: With dead ends: 407 [2024-11-09 05:47:54,857 INFO L226 Difference]: Without dead ends: 406 [2024-11-09 05:47:54,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:54,858 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 34 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:54,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 71 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:47:54,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-09 05:47:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 395. [2024-11-09 05:47:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 325 states have (on average 1.4276923076923076) internal successors, (464), 343 states have internal predecessors, (464), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 05:47:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 550 transitions. [2024-11-09 05:47:54,916 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 550 transitions. Word has length 49 [2024-11-09 05:47:54,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:54,917 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 550 transitions. [2024-11-09 05:47:54,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:47:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 550 transitions. [2024-11-09 05:47:54,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 05:47:54,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:54,918 INFO L215 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:54,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 05:47:54,918 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:54,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:54,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2119371079, now seen corresponding path program 1 times [2024-11-09 05:47:54,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:54,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072416488] [2024-11-09 05:47:54,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:54,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-09 05:47:55,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:55,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072416488] [2024-11-09 05:47:55,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072416488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:55,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:55,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:47:55,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519295899] [2024-11-09 05:47:55,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:55,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:47:55,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:55,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:47:55,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:55,005 INFO L87 Difference]: Start difference. First operand 395 states and 550 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:47:55,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:55,488 INFO L93 Difference]: Finished difference Result 406 states and 560 transitions. [2024-11-09 05:47:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:47:55,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2024-11-09 05:47:55,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:55,494 INFO L225 Difference]: With dead ends: 406 [2024-11-09 05:47:55,494 INFO L226 Difference]: Without dead ends: 405 [2024-11-09 05:47:55,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:47:55,495 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 34 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:55,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 71 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:47:55,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-09 05:47:55,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 394. [2024-11-09 05:47:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 325 states have (on average 1.3876923076923078) internal successors, (451), 342 states have internal predecessors, (451), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 05:47:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 537 transitions. [2024-11-09 05:47:55,542 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 537 transitions. Word has length 50 [2024-11-09 05:47:55,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:55,542 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 537 transitions. [2024-11-09 05:47:55,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 05:47:55,543 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 537 transitions. [2024-11-09 05:47:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 05:47:55,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:55,544 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:55,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 05:47:55,544 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:55,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:55,545 INFO L85 PathProgramCache]: Analyzing trace with hash 298965616, now seen corresponding path program 1 times [2024-11-09 05:47:55,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:55,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602205763] [2024-11-09 05:47:55,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:55,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:47:55,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:55,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602205763] [2024-11-09 05:47:55,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602205763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:55,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:55,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:47:55,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971268463] [2024-11-09 05:47:55,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:55,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:47:55,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:55,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:47:55,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:47:55,654 INFO L87 Difference]: Start difference. First operand 394 states and 537 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:47:55,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:55,752 INFO L93 Difference]: Finished difference Result 415 states and 555 transitions. [2024-11-09 05:47:55,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:47:55,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2024-11-09 05:47:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:55,755 INFO L225 Difference]: With dead ends: 415 [2024-11-09 05:47:55,755 INFO L226 Difference]: Without dead ends: 409 [2024-11-09 05:47:55,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:47:55,756 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 51 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:55,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 118 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:47:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-09 05:47:55,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 393. [2024-11-09 05:47:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 325 states have (on average 1.3507692307692307) internal successors, (439), 341 states have internal predecessors, (439), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 05:47:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 525 transitions. [2024-11-09 05:47:55,799 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 525 transitions. Word has length 57 [2024-11-09 05:47:55,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:55,799 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 525 transitions. [2024-11-09 05:47:55,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:47:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 525 transitions. [2024-11-09 05:47:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 05:47:55,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:55,800 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:55,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 05:47:55,801 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:47:55,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:55,801 INFO L85 PathProgramCache]: Analyzing trace with hash 677999611, now seen corresponding path program 1 times [2024-11-09 05:47:55,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:55,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3497126] [2024-11-09 05:47:55,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:55,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:47:55,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:55,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3497126] [2024-11-09 05:47:55,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3497126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:47:55,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396335531] [2024-11-09 05:47:55,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:55,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:55,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:55,896 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:55,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 05:47:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:55,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:47:55,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:47:56,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:56,171 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:47:56,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396335531] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:56,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [655361760] [2024-11-09 05:47:56,174 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2024-11-09 05:47:56,175 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:47:56,176 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:47:56,177 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:47:56,177 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:47:58,578 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 125 for LOIs [2024-11-09 05:47:58,680 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:01,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [655361760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:01,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:01,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [4, 3, 3] total 31 [2024-11-09 05:48:01,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382679303] [2024-11-09 05:48:01,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:01,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 05:48:01,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:01,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 05:48:01,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=822, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:48:01,604 INFO L87 Difference]: Start difference. First operand 393 states and 525 transitions. Second operand has 25 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:48:06,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:06,295 INFO L93 Difference]: Finished difference Result 484 states and 636 transitions. [2024-11-09 05:48:06,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-09 05:48:06,296 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 58 [2024-11-09 05:48:06,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:06,298 INFO L225 Difference]: With dead ends: 484 [2024-11-09 05:48:06,298 INFO L226 Difference]: Without dead ends: 466 [2024-11-09 05:48:06,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 141 SyntacticMatches, 5 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1019 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=688, Invalid=3094, Unknown=0, NotChecked=0, Total=3782 [2024-11-09 05:48:06,300 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 167 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:06,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 139 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:48:06,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-09 05:48:06,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 403. [2024-11-09 05:48:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 333 states have (on average 1.2942942942942943) internal successors, (431), 349 states have internal predecessors, (431), 43 states have call successors, (43), 10 states have call predecessors, (43), 10 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 05:48:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 517 transitions. [2024-11-09 05:48:06,351 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 517 transitions. Word has length 58 [2024-11-09 05:48:06,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:06,352 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 517 transitions. [2024-11-09 05:48:06,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:48:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 517 transitions. [2024-11-09 05:48:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 05:48:06,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:06,353 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:06,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 05:48:06,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:06,554 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:48:06,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:06,554 INFO L85 PathProgramCache]: Analyzing trace with hash -944672491, now seen corresponding path program 1 times [2024-11-09 05:48:06,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:06,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553861382] [2024-11-09 05:48:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:06,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:48:06,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:06,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553861382] [2024-11-09 05:48:06,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553861382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:06,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595072525] [2024-11-09 05:48:06,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:06,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:06,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:06,737 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:06,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 05:48:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:06,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:48:06,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:48:06,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:06,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595072525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:06,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:48:06,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 05:48:06,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482889659] [2024-11-09 05:48:06,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:06,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:06,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:06,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:06,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:48:06,966 INFO L87 Difference]: Start difference. First operand 403 states and 517 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:48:07,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:07,111 INFO L93 Difference]: Finished difference Result 448 states and 566 transitions. [2024-11-09 05:48:07,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:07,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2024-11-09 05:48:07,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:07,113 INFO L225 Difference]: With dead ends: 448 [2024-11-09 05:48:07,113 INFO L226 Difference]: Without dead ends: 447 [2024-11-09 05:48:07,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:48:07,114 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 28 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:07,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 111 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:07,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-09 05:48:07,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 403. [2024-11-09 05:48:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 333 states have (on average 1.2852852852852852) internal successors, (428), 349 states have internal predecessors, (428), 43 states have call successors, (43), 10 states have call predecessors, (43), 10 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 05:48:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 514 transitions. [2024-11-09 05:48:07,169 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 514 transitions. Word has length 61 [2024-11-09 05:48:07,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:07,169 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 514 transitions. [2024-11-09 05:48:07,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:48:07,170 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 514 transitions. [2024-11-09 05:48:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 05:48:07,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:07,172 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:07,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 05:48:07,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:07,377 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:48:07,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:07,377 INFO L85 PathProgramCache]: Analyzing trace with hash 779923967, now seen corresponding path program 1 times [2024-11-09 05:48:07,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:07,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883799407] [2024-11-09 05:48:07,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:07,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:48:07,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:07,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883799407] [2024-11-09 05:48:07,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883799407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:07,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:07,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:48:07,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031597956] [2024-11-09 05:48:07,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:07,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:07,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:07,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:07,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:07,513 INFO L87 Difference]: Start difference. First operand 403 states and 514 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:48:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:07,705 INFO L93 Difference]: Finished difference Result 423 states and 538 transitions. [2024-11-09 05:48:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:07,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2024-11-09 05:48:07,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:07,708 INFO L225 Difference]: With dead ends: 423 [2024-11-09 05:48:07,711 INFO L226 Difference]: Without dead ends: 422 [2024-11-09 05:48:07,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:07,712 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 32 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:07,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 112 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:07,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-09 05:48:07,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 410. [2024-11-09 05:48:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 340 states have (on average 1.2823529411764707) internal successors, (436), 356 states have internal predecessors, (436), 43 states have call successors, (43), 10 states have call predecessors, (43), 10 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 05:48:07,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 522 transitions. [2024-11-09 05:48:07,762 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 522 transitions. Word has length 62 [2024-11-09 05:48:07,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:07,763 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 522 transitions. [2024-11-09 05:48:07,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 05:48:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 522 transitions. [2024-11-09 05:48:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 05:48:07,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:07,764 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:07,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 05:48:07,764 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:48:07,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:07,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1592160681, now seen corresponding path program 1 times [2024-11-09 05:48:07,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:07,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807791425] [2024-11-09 05:48:07,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:07,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:48:07,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:07,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807791425] [2024-11-09 05:48:07,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807791425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:07,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372182350] [2024-11-09 05:48:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:07,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:07,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:07,896 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:07,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 05:48:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:07,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:48:07,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 05:48:08,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:08,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372182350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:08,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:48:08,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 05:48:08,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015758357] [2024-11-09 05:48:08,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:08,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:08,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:08,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:08,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:48:08,107 INFO L87 Difference]: Start difference. First operand 410 states and 522 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:48:08,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:08,274 INFO L93 Difference]: Finished difference Result 425 states and 533 transitions. [2024-11-09 05:48:08,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:08,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 63 [2024-11-09 05:48:08,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:08,277 INFO L225 Difference]: With dead ends: 425 [2024-11-09 05:48:08,277 INFO L226 Difference]: Without dead ends: 423 [2024-11-09 05:48:08,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:48:08,278 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 41 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:08,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 109 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:08,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-09 05:48:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 413. [2024-11-09 05:48:08,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 343 states have (on average 1.2682215743440233) internal successors, (435), 359 states have internal predecessors, (435), 43 states have call successors, (43), 10 states have call predecessors, (43), 10 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 05:48:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 521 transitions. [2024-11-09 05:48:08,330 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 521 transitions. Word has length 63 [2024-11-09 05:48:08,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:08,331 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 521 transitions. [2024-11-09 05:48:08,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:48:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 521 transitions. [2024-11-09 05:48:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 05:48:08,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:08,332 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:08,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 05:48:08,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:08,536 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:48:08,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:08,537 INFO L85 PathProgramCache]: Analyzing trace with hash 254781282, now seen corresponding path program 1 times [2024-11-09 05:48:08,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:08,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770820032] [2024-11-09 05:48:08,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:08,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:48:08,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:08,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770820032] [2024-11-09 05:48:08,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770820032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:08,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301787749] [2024-11-09 05:48:08,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:08,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:08,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:08,698 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:08,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 05:48:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:08,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:48:08,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 05:48:08,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:48:09,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301787749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:09,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [326121294] [2024-11-09 05:48:09,018 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2024-11-09 05:48:09,018 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:09,018 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:09,018 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:09,019 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:16,056 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:48:16,057 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:49:13,221 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17390#(and (<= 11 ~counter~0) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (exists ((|v_ULTIMATE.start_main_~q~0#1_42| Int) (|v_ULTIMATE.start_main_~d~0#1_87| Int)) (and (<= (+ (* |v_ULTIMATE.start_main_~q~0#1_42| |v_ULTIMATE.start_main_~d~0#1_87|) 2147483649) 0) (<= |v_ULTIMATE.start_main_~q~0#1_42| 2147483647) (<= 0 (+ |v_ULTIMATE.start_main_~q~0#1_42| 2147483648)))) (<= ~counter~0 2147483647) (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648)))' at error location [2024-11-09 05:49:13,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:49:13,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:49:13,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-11-09 05:49:13,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722297829] [2024-11-09 05:49:13,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:49:13,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 05:49:13,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:13,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 05:49:13,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=2742, Unknown=23, NotChecked=0, Total=3080 [2024-11-09 05:49:13,225 INFO L87 Difference]: Start difference. First operand 413 states and 521 transitions. Second operand has 21 states, 21 states have (on average 4.571428571428571) internal successors, (96), 21 states have internal predecessors, (96), 6 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-09 05:49:14,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:14,525 INFO L93 Difference]: Finished difference Result 533 states and 640 transitions. [2024-11-09 05:49:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 05:49:14,526 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.571428571428571) internal successors, (96), 21 states have internal predecessors, (96), 6 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 68 [2024-11-09 05:49:14,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:14,529 INFO L225 Difference]: With dead ends: 533 [2024-11-09 05:49:14,529 INFO L226 Difference]: Without dead ends: 524 [2024-11-09 05:49:14,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 154 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2139 ImplicationChecksByTransitivity, 58.1s TimeCoverageRelationStatistics Valid=518, Invalid=4571, Unknown=23, NotChecked=0, Total=5112 [2024-11-09 05:49:14,532 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 157 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:14,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 516 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:49:14,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-09 05:49:14,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 477. [2024-11-09 05:49:14,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 398 states have (on average 1.2688442211055277) internal successors, (505), 414 states have internal predecessors, (505), 47 states have call successors, (47), 15 states have call predecessors, (47), 15 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 05:49:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 599 transitions. [2024-11-09 05:49:14,598 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 599 transitions. Word has length 68 [2024-11-09 05:49:14,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:14,598 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 599 transitions. [2024-11-09 05:49:14,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.571428571428571) internal successors, (96), 21 states have internal predecessors, (96), 6 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-09 05:49:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 599 transitions. [2024-11-09 05:49:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 05:49:14,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:14,600 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:14,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 05:49:14,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 05:49:14,802 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:49:14,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:14,803 INFO L85 PathProgramCache]: Analyzing trace with hash 254781300, now seen corresponding path program 1 times [2024-11-09 05:49:14,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:14,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569772387] [2024-11-09 05:49:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:14,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:49:14,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1035122759] [2024-11-09 05:49:14,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:14,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:14,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:14,842 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:49:14,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 05:49:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:14,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:49:14,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:49:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 05:49:15,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:49:16,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:16,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569772387] [2024-11-09 05:49:16,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:49:16,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035122759] [2024-11-09 05:49:16,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035122759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:49:16,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1288572210] [2024-11-09 05:49:16,644 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2024-11-09 05:49:16,644 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:49:16,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:49:16,648 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:49:16,648 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:49:22,940 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:49:22,941 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:50:27,178 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18935#(exists ((|v_ULTIMATE.start_main_~q~0#1_48| Int) (|v_ULTIMATE.start_main_~B~0#1_35| Int)) (and (<= 0 (+ ~counter~0 2147483648)) (<= ~counter~0 10) (<= |v_ULTIMATE.start_main_~q~0#1_48| 2147483647) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 0 (+ |v_ULTIMATE.start_main_~q~0#1_48| 2147483648)) (<= (+ 2147483649 (* |v_ULTIMATE.start_main_~B~0#1_35| |v_ULTIMATE.start_main_~q~0#1_48|)) 0) (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648))))' at error location [2024-11-09 05:50:27,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:50:27,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:50:27,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 05:50:27,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001782089] [2024-11-09 05:50:27,179 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 05:50:27,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:50:27,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:27,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:50:27,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=1517, Unknown=21, NotChecked=0, Total=1892 [2024-11-09 05:50:27,182 INFO L87 Difference]: Start difference. First operand 477 states and 599 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:50:27,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:27,546 INFO L93 Difference]: Finished difference Result 588 states and 758 transitions. [2024-11-09 05:50:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:50:27,547 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 68 [2024-11-09 05:50:27,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:27,549 INFO L225 Difference]: With dead ends: 588 [2024-11-09 05:50:27,549 INFO L226 Difference]: Without dead ends: 587 [2024-11-09 05:50:27,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 104 SyntacticMatches, 5 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 64.6s TimeCoverageRelationStatistics Valid=354, Invalid=1517, Unknown=21, NotChecked=0, Total=1892 [2024-11-09 05:50:27,551 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 121 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:27,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 118 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:50:27,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-09 05:50:27,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 555. [2024-11-09 05:50:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 470 states have (on average 1.2914893617021277) internal successors, (607), 486 states have internal predecessors, (607), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 05:50:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 713 transitions. [2024-11-09 05:50:27,620 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 713 transitions. Word has length 68 [2024-11-09 05:50:27,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:27,621 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 713 transitions. [2024-11-09 05:50:27,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:50:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 713 transitions. [2024-11-09 05:50:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 05:50:27,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:27,622 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:27,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 05:50:27,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 05:50:27,823 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:50:27,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:27,824 INFO L85 PathProgramCache]: Analyzing trace with hash -691714208, now seen corresponding path program 1 times [2024-11-09 05:50:27,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:27,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679518461] [2024-11-09 05:50:27,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:27,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:50:27,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311025611] [2024-11-09 05:50:27,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:27,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:50:27,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:50:27,853 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:50:27,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 05:50:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:27,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:50:27,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:50:28,586 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 05:50:28,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:50:29,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:29,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679518461] [2024-11-09 05:50:29,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:50:29,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311025611] [2024-11-09 05:50:29,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311025611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:50:29,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1381897421] [2024-11-09 05:50:29,763 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2024-11-09 05:50:29,763 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:50:29,763 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:50:29,763 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:50:29,763 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:50:35,989 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:50:35,991 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:51:41,805 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '20607#(exists ((|v_ULTIMATE.start_main_~q~0#1_54| Int) (|v_ULTIMATE.start_main_~B~0#1_36| Int)) (and (<= 0 (+ ~counter~0 2147483648)) (<= ~counter~0 10) (<= 2147483648 (* |v_ULTIMATE.start_main_~B~0#1_36| |v_ULTIMATE.start_main_~q~0#1_54|)) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 0 (+ |v_ULTIMATE.start_main_~q~0#1_54| 2147483648)) (<= |v_ULTIMATE.start_main_~q~0#1_54| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648))))' at error location [2024-11-09 05:51:41,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:51:41,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:51:41,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 05:51:41,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137480082] [2024-11-09 05:51:41,805 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 05:51:41,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:51:41,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:41,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:51:41,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1376, Unknown=24, NotChecked=0, Total=1722 [2024-11-09 05:51:41,807 INFO L87 Difference]: Start difference. First operand 555 states and 713 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:51:42,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:42,112 INFO L93 Difference]: Finished difference Result 565 states and 718 transitions. [2024-11-09 05:51:42,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:51:42,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 69 [2024-11-09 05:51:42,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:42,115 INFO L225 Difference]: With dead ends: 565 [2024-11-09 05:51:42,115 INFO L226 Difference]: Without dead ends: 564 [2024-11-09 05:51:42,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 109 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 66.0s TimeCoverageRelationStatistics Valid=322, Invalid=1376, Unknown=24, NotChecked=0, Total=1722 [2024-11-09 05:51:42,117 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 72 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:42,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 84 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:51:42,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-09 05:51:42,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2024-11-09 05:51:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 470 states have (on average 1.2617021276595746) internal successors, (593), 485 states have internal predecessors, (593), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 05:51:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 699 transitions. [2024-11-09 05:51:42,190 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 699 transitions. Word has length 69 [2024-11-09 05:51:42,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:42,191 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 699 transitions. [2024-11-09 05:51:42,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:51:42,191 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 699 transitions. [2024-11-09 05:51:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 05:51:42,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:42,192 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:42,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 05:51:42,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 05:51:42,395 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:51:42,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:42,395 INFO L85 PathProgramCache]: Analyzing trace with hash 31696118, now seen corresponding path program 1 times [2024-11-09 05:51:42,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:42,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758695185] [2024-11-09 05:51:42,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:42,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 05:51:42,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:42,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758695185] [2024-11-09 05:51:42,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758695185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:42,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:42,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:51:42,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751089220] [2024-11-09 05:51:42,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:42,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:51:42,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:42,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:51:42,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:51:42,587 INFO L87 Difference]: Start difference. First operand 554 states and 699 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:51:43,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:43,294 INFO L93 Difference]: Finished difference Result 563 states and 707 transitions. [2024-11-09 05:51:43,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:51:43,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 70 [2024-11-09 05:51:43,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:43,298 INFO L225 Difference]: With dead ends: 563 [2024-11-09 05:51:43,298 INFO L226 Difference]: Without dead ends: 561 [2024-11-09 05:51:43,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:51:43,299 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 81 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:43,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 143 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:51:43,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-09 05:51:43,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 550. [2024-11-09 05:51:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 468 states have (on average 1.2200854700854702) internal successors, (571), 481 states have internal predecessors, (571), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 05:51:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 677 transitions. [2024-11-09 05:51:43,377 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 677 transitions. Word has length 70 [2024-11-09 05:51:43,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:43,377 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 677 transitions. [2024-11-09 05:51:43,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 05:51:43,378 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 677 transitions. [2024-11-09 05:51:43,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:51:43,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:43,379 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:43,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 05:51:43,379 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:51:43,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:43,380 INFO L85 PathProgramCache]: Analyzing trace with hash 982579746, now seen corresponding path program 1 times [2024-11-09 05:51:43,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:43,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829433315] [2024-11-09 05:51:43,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:43,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:51:43,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:43,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829433315] [2024-11-09 05:51:43,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829433315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:51:43,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978409825] [2024-11-09 05:51:43,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:43,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:51:43,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:51:43,769 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:51:43,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 05:51:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:43,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 05:51:43,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:51:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 05:51:45,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:51:46,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978409825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:51:46,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [293748395] [2024-11-09 05:51:46,726 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2024-11-09 05:51:46,726 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:51:46,726 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:51:46,727 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:51:46,727 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:51:52,151 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:51:52,154 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:52:55,969 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '23637#(exists ((|v_ULTIMATE.start_main_~q~0#1_60| Int) (|v_ULTIMATE.start_main_~r~0#1_51| Int) (|v_ULTIMATE.start_main_~B~0#1_37| Int)) (and (<= 0 (+ ~counter~0 2147483648)) (<= ~counter~0 10) (<= 2147483648 (+ (* |v_ULTIMATE.start_main_~B~0#1_37| |v_ULTIMATE.start_main_~q~0#1_60|) |v_ULTIMATE.start_main_~r~0#1_51|)) (<= (* |v_ULTIMATE.start_main_~B~0#1_37| |v_ULTIMATE.start_main_~q~0#1_60|) 2147483647) (<= |v_ULTIMATE.start_main_~r~0#1_51| 2147483647)))' at error location [2024-11-09 05:52:55,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:52:55,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:52:55,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-09 05:52:55,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908379035] [2024-11-09 05:52:55,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 05:52:55,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 05:52:55,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:55,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 05:52:55,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=2527, Unknown=23, NotChecked=0, Total=2862 [2024-11-09 05:52:55,973 INFO L87 Difference]: Start difference. First operand 550 states and 677 transitions. Second operand has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 16 states have internal predecessors, (95), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 05:53:00,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:53:00,008 INFO L93 Difference]: Finished difference Result 855 states and 1101 transitions. [2024-11-09 05:53:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 05:53:00,009 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 16 states have internal predecessors, (95), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 71 [2024-11-09 05:53:00,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:53:00,015 INFO L225 Difference]: With dead ends: 855 [2024-11-09 05:53:00,015 INFO L226 Difference]: Without dead ends: 850 [2024-11-09 05:53:00,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 111 SyntacticMatches, 5 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2043 ImplicationChecksByTransitivity, 66.5s TimeCoverageRelationStatistics Valid=571, Invalid=4808, Unknown=23, NotChecked=0, Total=5402 [2024-11-09 05:53:00,018 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 503 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:53:00,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 456 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 05:53:00,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-09 05:53:00,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 681. [2024-11-09 05:53:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 587 states have (on average 1.2385008517887564) internal successors, (727), 600 states have internal predecessors, (727), 65 states have call successors, (65), 15 states have call predecessors, (65), 15 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 05:53:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 857 transitions. [2024-11-09 05:53:00,103 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 857 transitions. Word has length 71 [2024-11-09 05:53:00,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:53:00,103 INFO L471 AbstractCegarLoop]: Abstraction has 681 states and 857 transitions. [2024-11-09 05:53:00,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 16 states have internal predecessors, (95), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 05:53:00,104 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 857 transitions. [2024-11-09 05:53:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 05:53:00,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:53:00,105 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:53:00,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 05:53:00,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 05:53:00,306 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 05:53:00,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:53:00,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1696189857, now seen corresponding path program 1 times [2024-11-09 05:53:00,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:53:00,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406663605] [2024-11-09 05:53:00,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:53:00,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:53:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:53:00,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [964155709] [2024-11-09 05:53:00,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:53:00,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:53:00,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:53:00,341 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:53:00,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb0c4ce-d326-47ec-a324-71c61c3d20b4/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 05:53:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:53:00,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 05:53:00,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:53:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 05:53:01,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:53:02,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:53:02,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406663605] [2024-11-09 05:53:02,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:53:02,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964155709] [2024-11-09 05:53:02,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964155709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:53:02,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [516557331] [2024-11-09 05:53:02,486 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2024-11-09 05:53:02,486 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:53:02,487 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:53:02,487 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:53:02,487 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:53:07,726 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:53:07,728 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:54:06,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [516557331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:06,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:54:06,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [9] total 42 [2024-11-09 05:54:06,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797245898] [2024-11-09 05:54:06,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:06,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-09 05:54:06,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:54:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-09 05:54:06,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1916, Unknown=20, NotChecked=0, Total=2256 [2024-11-09 05:54:06,643 INFO L87 Difference]: Start difference. First operand 681 states and 857 transitions. Second operand has 36 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:54:13,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:15,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:17,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:26,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:28,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:30,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:38,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:40,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:42,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:44,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:46,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:52,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:55,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:54:57,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:05,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:07,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:09,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:11,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:13,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:15,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:25,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:55:27,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:55:29,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:55:31,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:55:33,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:55:35,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:55:37,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:39,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:41,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:51,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:53,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:55,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:57,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:55:59,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:01,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:03,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:05,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:07,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:09,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:20,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:22,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:24,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:26,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:28,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:30,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:39,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:41,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:47,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:50,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:56:52,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:00,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:02,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:04,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:12,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:57:14,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:57:16,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:57:18,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:20,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:23,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:31,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:57:33,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:57:35,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:57:37,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:39,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:41,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:43,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:57:45,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:57:47,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:57:49,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:51,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:57:58,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:00,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:02,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:04,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:06,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:08,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:16,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:18,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:20,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:30,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:32,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:35,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:37,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:39,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:41,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:43,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:45,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:47,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:49,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:51,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:53,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:58:55,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:57,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:58:59,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:59:01,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:59:03,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:59:05,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:59:07,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:09,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:11,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:22,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:24,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:26,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:28,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:30,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:32,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:34,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:36,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:38,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:47,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:49,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:59:51,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]