./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/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_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/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_cdcf3400-e41a-4a9d-8427-e7830a3a6610/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 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:12:51,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:12:51,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:12:51,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:12:51,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:12:51,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:12:51,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:12:51,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:12:51,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:12:51,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:12:51,835 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:12:51,835 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:12:51,835 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:12:51,836 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:12:51,836 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:12:51,838 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:12:51,839 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:12:51,839 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:12:51,840 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:12:51,840 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:12:51,840 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:12:51,845 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:12:51,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:12:51,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:12:51,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:12:51,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:12:51,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:12:51,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:12:51,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:12:51,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:12:51,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:12:51,848 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:12:51,848 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:12:51,848 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:12:51,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:12:51,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:12:51,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:12:51,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:12:51,851 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:12:51,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:12:51,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:12:51,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:12:51,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:12:51,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:12:51,854 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:12:51,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:12:51,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:12:51,855 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:12:51,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:12:51,855 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_cdcf3400-e41a-4a9d-8427-e7830a3a6610/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d [2024-11-09 05:12:52,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:12:52,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:12:52,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:12:52,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:12:52,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:12:52,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c Unable to find full path for "g++" [2024-11-09 05:12:54,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:12:54,608 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:12:54,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2024-11-09 05:12:54,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/data/ef6adf820/ab67d2e96d81425a9e05fb704b00456c/FLAGcbf08b8d7 [2024-11-09 05:12:54,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/data/ef6adf820/ab67d2e96d81425a9e05fb704b00456c [2024-11-09 05:12:54,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:12:54,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:12:54,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:12:54,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:12:54,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:12:54,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:12:54" (1/1) ... [2024-11-09 05:12:54,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632f159e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:54, skipping insertion in model container [2024-11-09 05:12:54,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:12:54" (1/1) ... [2024-11-09 05:12:54,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:12:54,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:12:54,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:12:55,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:12:55,021 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:12:55,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55 WrapperNode [2024-11-09 05:12:55,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:12:55,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:12:55,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:12:55,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:12:55,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,080 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-11-09 05:12:55,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:12:55,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:12:55,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:12:55,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:12:55,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:12:55,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:12:55,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:12:55,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:12:55,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (1/1) ... [2024-11-09 05:12:55,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:12:55,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:12:55,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:12:55,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:12:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:12:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:12:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:12:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:12:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:12:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:12:55,271 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:12:55,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:12:55,873 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-09 05:12:55,873 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:12:55,948 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:12:55,950 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:12:55,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:55 BoogieIcfgContainer [2024-11-09 05:12:55,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:12:55,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:12:55,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:12:55,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:12:55,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:12:54" (1/3) ... [2024-11-09 05:12:55,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f026c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:12:55, skipping insertion in model container [2024-11-09 05:12:55,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:12:55" (2/3) ... [2024-11-09 05:12:55,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f026c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:12:55, skipping insertion in model container [2024-11-09 05:12:55,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:55" (3/3) ... [2024-11-09 05:12:55,964 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_valuebound50.c [2024-11-09 05:12:55,985 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:12:55,986 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-11-09 05:12:56,069 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:12:56,078 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;@55d24f51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:12:56,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-09 05:12:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 55 states have (on average 1.9454545454545455) internal successors, (107), 105 states have internal predecessors, (107), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 05:12:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:12:56,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:56,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:12:56,097 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:12:56,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:56,109 INFO L85 PathProgramCache]: Analyzing trace with hash 190823, now seen corresponding path program 1 times [2024-11-09 05:12:56,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:56,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670487310] [2024-11-09 05:12:56,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:56,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:56,363 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 05:12:56,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:56,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670487310] [2024-11-09 05:12:56,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670487310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:56,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:56,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:12:56,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428879593] [2024-11-09 05:12:56,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:56,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:12:56,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:56,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:12:56,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:56,405 INFO L87 Difference]: Start difference. First operand has 113 states, 55 states have (on average 1.9454545454545455) internal successors, (107), 105 states have internal predecessors, (107), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:12:56,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:56,654 INFO L93 Difference]: Finished difference Result 250 states and 280 transitions. [2024-11-09 05:12:56,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:12:56,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 05:12:56,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:56,684 INFO L225 Difference]: With dead ends: 250 [2024-11-09 05:12:56,685 INFO L226 Difference]: Without dead ends: 181 [2024-11-09 05:12:56,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:56,695 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 69 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:56,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 158 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:12:56,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-09 05:12:56,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 146. [2024-11-09 05:12:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 90 states have (on average 1.6444444444444444) internal successors, (148), 135 states have internal predecessors, (148), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 05:12:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 166 transitions. [2024-11-09 05:12:56,770 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 166 transitions. Word has length 3 [2024-11-09 05:12:56,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:56,771 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 166 transitions. [2024-11-09 05:12:56,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:12:56,771 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 166 transitions. [2024-11-09 05:12:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:12:56,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:56,775 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:56,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:12:56,776 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:12:56,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1724489646, now seen corresponding path program 1 times [2024-11-09 05:12:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:56,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693154797] [2024-11-09 05:12:56,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:56,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:12:56,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571811156] [2024-11-09 05:12:56,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:56,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:56,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:12:56,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:12:56,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:12:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:56,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:12:56,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:12:57,000 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 05:12:57,000 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:12:57,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:57,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693154797] [2024-11-09 05:12:57,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:12:57,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571811156] [2024-11-09 05:12:57,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571811156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:57,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:57,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:12:57,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11125126] [2024-11-09 05:12:57,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:57,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:12:57,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:57,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:12:57,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:57,008 INFO L87 Difference]: Start difference. First operand 146 states and 166 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 05:12:57,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:57,189 INFO L93 Difference]: Finished difference Result 173 states and 194 transitions. [2024-11-09 05:12:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:12:57,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 20 [2024-11-09 05:12:57,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:57,191 INFO L225 Difference]: With dead ends: 173 [2024-11-09 05:12:57,192 INFO L226 Difference]: Without dead ends: 165 [2024-11-09 05:12:57,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:57,195 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 41 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:57,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 138 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:12:57,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-09 05:12:57,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 157. [2024-11-09 05:12:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 100 states have (on average 1.59) internal successors, (159), 145 states have internal predecessors, (159), 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 05:12:57,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 179 transitions. [2024-11-09 05:12:57,213 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 179 transitions. Word has length 20 [2024-11-09 05:12:57,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:57,213 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 179 transitions. [2024-11-09 05:12:57,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 05:12:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 179 transitions. [2024-11-09 05:12:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 05:12:57,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:57,215 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:57,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:12:57,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:57,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:12:57,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:57,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1919571549, now seen corresponding path program 1 times [2024-11-09 05:12:57,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:57,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405403715] [2024-11-09 05:12:57,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:57,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:57,530 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 05:12:57,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:57,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405403715] [2024-11-09 05:12:57,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405403715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:57,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:57,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:12:57,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300085097] [2024-11-09 05:12:57,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:57,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:12:57,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:57,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:12:57,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:57,534 INFO L87 Difference]: Start difference. First operand 157 states and 179 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, (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 05:12:57,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:57,699 INFO L93 Difference]: Finished difference Result 173 states and 190 transitions. [2024-11-09 05:12:57,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:12:57,700 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, (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 21 [2024-11-09 05:12:57,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:57,702 INFO L225 Difference]: With dead ends: 173 [2024-11-09 05:12:57,702 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 05:12:57,702 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 05:12:57,703 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 38 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:57,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 152 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:12:57,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 05:12:57,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2024-11-09 05:12:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 103 states have (on average 1.5048543689320388) internal successors, (155), 148 states have internal predecessors, (155), 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 05:12:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2024-11-09 05:12:57,735 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 21 [2024-11-09 05:12:57,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:57,735 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2024-11-09 05:12:57,735 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, (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 05:12:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2024-11-09 05:12:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 05:12:57,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:57,736 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:57,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:12:57,737 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:12:57,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:57,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1533453454, now seen corresponding path program 1 times [2024-11-09 05:12:57,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:57,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052002512] [2024-11-09 05:12:57,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:57,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:57,919 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 05:12:57,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:57,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052002512] [2024-11-09 05:12:57,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052002512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:57,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:57,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:12:57,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283240202] [2024-11-09 05:12:57,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:57,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:12:57,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:57,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:12:57,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:12:57,923 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 05:12:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:58,150 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2024-11-09 05:12:58,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:12:58,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 24 [2024-11-09 05:12:58,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:58,153 INFO L225 Difference]: With dead ends: 165 [2024-11-09 05:12:58,153 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 05:12:58,153 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 05:12:58,155 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 47 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:58,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 197 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:12:58,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 05:12:58,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2024-11-09 05:12:58,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 103 states have (on average 1.4854368932038835) internal successors, (153), 148 states have internal predecessors, (153), 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 05:12:58,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 173 transitions. [2024-11-09 05:12:58,168 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 173 transitions. Word has length 24 [2024-11-09 05:12:58,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:58,168 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 173 transitions. [2024-11-09 05:12:58,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 05:12:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2024-11-09 05:12:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 05:12:58,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:58,170 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:58,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:12:58,171 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:12:58,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:58,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1193191626, now seen corresponding path program 1 times [2024-11-09 05:12:58,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:58,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125244841] [2024-11-09 05:12:58,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:58,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:58,312 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 05:12:58,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:58,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125244841] [2024-11-09 05:12:58,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125244841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:58,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:58,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:12:58,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269133607] [2024-11-09 05:12:58,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:58,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:12:58,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:58,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:12:58,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:58,315 INFO L87 Difference]: Start difference. First operand 160 states and 173 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 05:12:58,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:58,475 INFO L93 Difference]: Finished difference Result 165 states and 174 transitions. [2024-11-09 05:12:58,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:12:58,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 28 [2024-11-09 05:12:58,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:58,477 INFO L225 Difference]: With dead ends: 165 [2024-11-09 05:12:58,477 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 05:12:58,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:12:58,478 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 29 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:58,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 134 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:12:58,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 05:12:58,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-09 05:12:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 82 states have (on average 1.5609756097560976) internal successors, (128), 127 states have internal predecessors, (128), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:12:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 144 transitions. [2024-11-09 05:12:58,500 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 144 transitions. Word has length 28 [2024-11-09 05:12:58,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:58,501 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 144 transitions. [2024-11-09 05:12:58,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 05:12:58,501 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2024-11-09 05:12:58,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:12:58,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:58,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:58,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:12:58,503 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:12:58,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:58,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1025784750, now seen corresponding path program 1 times [2024-11-09 05:12:58,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:58,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348066260] [2024-11-09 05:12:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:58,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:58,638 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 05:12:58,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:58,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348066260] [2024-11-09 05:12:58,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348066260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:58,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:58,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:12:58,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873799467] [2024-11-09 05:12:58,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:58,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:12:58,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:58,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:12:58,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:12:58,642 INFO L87 Difference]: Start difference. First operand 137 states and 144 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 05:12:58,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:58,831 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2024-11-09 05:12:58,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:12:58,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 39 [2024-11-09 05:12:58,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:58,834 INFO L225 Difference]: With dead ends: 140 [2024-11-09 05:12:58,834 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 05:12:58,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:12:58,835 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 1 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:58,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 193 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:12:58,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 05:12:58,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 138. [2024-11-09 05:12:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 128 states have internal predecessors, (129), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:12:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 145 transitions. [2024-11-09 05:12:58,857 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 145 transitions. Word has length 39 [2024-11-09 05:12:58,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:58,863 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 145 transitions. [2024-11-09 05:12:58,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 05:12:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2024-11-09 05:12:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 05:12:58,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:58,865 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:58,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:12:58,866 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:12:58,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:58,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1734556067, now seen corresponding path program 1 times [2024-11-09 05:12:58,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:58,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795776966] [2024-11-09 05:12:58,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:58,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:59,064 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 05:12:59,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:59,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795776966] [2024-11-09 05:12:59,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795776966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:59,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:59,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:12:59,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64697897] [2024-11-09 05:12:59,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:59,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:12:59,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:59,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:12:59,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:12:59,067 INFO L87 Difference]: Start difference. First operand 138 states and 145 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 05:12:59,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:59,184 INFO L93 Difference]: Finished difference Result 140 states and 147 transitions. [2024-11-09 05:12:59,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:12:59,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 40 [2024-11-09 05:12:59,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:59,186 INFO L225 Difference]: With dead ends: 140 [2024-11-09 05:12:59,186 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 05:12:59,187 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 05:12:59,188 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:59,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:12:59,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 05:12:59,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-09 05:12:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 84 states have (on average 1.5476190476190477) internal successors, (130), 129 states have internal predecessors, (130), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:12:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 146 transitions. [2024-11-09 05:12:59,204 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 146 transitions. Word has length 40 [2024-11-09 05:12:59,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:59,204 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 146 transitions. [2024-11-09 05:12:59,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 05:12:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2024-11-09 05:12:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:12:59,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:59,205 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:59,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:12:59,209 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:12:59,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:59,210 INFO L85 PathProgramCache]: Analyzing trace with hash -461068033, now seen corresponding path program 1 times [2024-11-09 05:12:59,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:59,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200584367] [2024-11-09 05:12:59,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:59,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:59,285 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 05:12:59,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:59,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200584367] [2024-11-09 05:12:59,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200584367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:12:59,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214832807] [2024-11-09 05:12:59,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:59,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:59,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:12:59,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:12:59,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:12:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:59,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:12:59,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:12:59,498 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 05:12:59,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:12:59,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214832807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:59,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:12:59,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 05:12:59,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819294555] [2024-11-09 05:12:59,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:59,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:12:59,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:59,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:12:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:12:59,500 INFO L87 Difference]: Start difference. First operand 139 states and 146 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, (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 05:12:59,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:59,617 INFO L93 Difference]: Finished difference Result 139 states and 146 transitions. [2024-11-09 05:12:59,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:12:59,619 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, (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 42 [2024-11-09 05:12:59,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:59,620 INFO L225 Difference]: With dead ends: 139 [2024-11-09 05:12:59,620 INFO L226 Difference]: Without dead ends: 130 [2024-11-09 05:12:59,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 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 05:12:59,621 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:59,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 108 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:12:59,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-09 05:12:59,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-09 05:12:59,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.4404761904761905) internal successors, (121), 120 states have internal predecessors, (121), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:12:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 137 transitions. [2024-11-09 05:12:59,636 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 137 transitions. Word has length 42 [2024-11-09 05:12:59,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:59,636 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 137 transitions. [2024-11-09 05:12:59,637 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, (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 05:12:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2024-11-09 05:12:59,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 05:12:59,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:59,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:59,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:12:59,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:59,839 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:12:59,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:59,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1408207084, now seen corresponding path program 1 times [2024-11-09 05:12:59,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:59,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5008696] [2024-11-09 05:12:59,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:59,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:59,971 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 05:12:59,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:59,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5008696] [2024-11-09 05:12:59,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5008696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:12:59,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141543209] [2024-11-09 05:12:59,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:59,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:12:59,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:12:59,977 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:12:59,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:13:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:00,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:13:00,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:00,154 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 05:13:00,157 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:00,305 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 05:13:00,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141543209] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:13:00,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1909838801] [2024-11-09 05:13:00,327 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-09 05:13:00,327 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:00,331 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:00,336 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:00,337 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:03,602 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:13:03,603 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:05,291 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3314#(and (<= 1 |#StackHeapBarrier|) (<= (+ |ULTIMATE.start_main_~t~0#1| 1) |ULTIMATE.start_main_~s~0#1|) (<= 3 |ULTIMATE.start_main_~t~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 50) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~s~0#1| 9223372036854775807))' at error location [2024-11-09 05:13:05,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:13:05,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:13:05,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 05:13:05,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341013772] [2024-11-09 05:13:05,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:13:05,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:13:05,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:05,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:13:05,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:13:05,293 INFO L87 Difference]: Start difference. First operand 130 states and 137 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:13:05,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:05,476 INFO L93 Difference]: Finished difference Result 225 states and 254 transitions. [2024-11-09 05:13:05,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:13:05,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 43 [2024-11-09 05:13:05,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:05,478 INFO L225 Difference]: With dead ends: 225 [2024-11-09 05:13:05,479 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 05:13:05,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 11 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:13:05,480 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 268 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:05,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 197 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:13:05,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 05:13:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 121. [2024-11-09 05:13:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 111 states have internal predecessors, (112), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:13:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 128 transitions. [2024-11-09 05:13:05,490 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 128 transitions. Word has length 43 [2024-11-09 05:13:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:05,491 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 128 transitions. [2024-11-09 05:13:05,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 05:13:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2024-11-09 05:13:05,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 05:13:05,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:05,494 INFO L215 NwaCegarLoop]: trace histogram [4, 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 05:13:05,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:13:05,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:05,695 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:05,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1315898868, now seen corresponding path program 1 times [2024-11-09 05:13:05,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:05,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686679293] [2024-11-09 05:13:05,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:13:05,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560080321] [2024-11-09 05:13:05,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:05,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:05,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:05,726 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:05,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:13:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:05,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:13:05,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:13:05,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:06,047 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:13:06,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:06,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686679293] [2024-11-09 05:13:06,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:13:06,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560080321] [2024-11-09 05:13:06,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560080321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:13:06,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [659374187] [2024-11-09 05:13:06,054 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-09 05:13:06,055 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:06,057 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:06,057 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:06,058 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:08,405 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:13:08,406 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:10,305 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4030#(and (<= 1 |ULTIMATE.start_main_~s~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~t~0#1| 9223372036854775806) (<= 1 |ULTIMATE.start_main_~t~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 50) (<= |ULTIMATE.start_main_~s~0#1| 9223372036854775807) (exists ((|v_ULTIMATE.start_main_~a~0#1_84| Int)) (and (<= 9223372036854775807 (+ (* |v_ULTIMATE.start_main_~a~0#1_84| |v_ULTIMATE.start_main_~a~0#1_84|) (* 2 |v_ULTIMATE.start_main_~a~0#1_84|))) (<= |v_ULTIMATE.start_main_~a~0#1_84| 4611686018427387903) (<= 0 |v_ULTIMATE.start_main_~a~0#1_84|))) (<= 0 |ULTIMATE.start_main_~n~0#1|))' at error location [2024-11-09 05:13:10,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:13:10,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:13:10,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 05:13:10,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78931859] [2024-11-09 05:13:10,306 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 05:13:10,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:13:10,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:10,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:13:10,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:13:10,308 INFO L87 Difference]: Start difference. First operand 121 states and 128 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 05:13:10,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:10,571 INFO L93 Difference]: Finished difference Result 300 states and 322 transitions. [2024-11-09 05:13:10,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:13:10,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 54 [2024-11-09 05:13:10,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:10,575 INFO L225 Difference]: With dead ends: 300 [2024-11-09 05:13:10,576 INFO L226 Difference]: Without dead ends: 298 [2024-11-09 05:13:10,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 128 SyntacticMatches, 14 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:13:10,578 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 237 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:10,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 289 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:13:10,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-09 05:13:10,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 198. [2024-11-09 05:13:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 155 states have (on average 1.3806451612903226) internal successors, (214), 181 states have internal predecessors, (214), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 05:13:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 244 transitions. [2024-11-09 05:13:10,597 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 244 transitions. Word has length 54 [2024-11-09 05:13:10,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:10,598 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 244 transitions. [2024-11-09 05:13:10,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 05:13:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 244 transitions. [2024-11-09 05:13:10,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 05:13:10,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:10,600 INFO L215 NwaCegarLoop]: trace histogram [5, 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] [2024-11-09 05:13:10,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:13:10,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:10,801 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:10,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash -2101607658, now seen corresponding path program 1 times [2024-11-09 05:13:10,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:10,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669048121] [2024-11-09 05:13:10,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:10,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:13:10,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951756630] [2024-11-09 05:13:10,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:10,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:10,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:10,847 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:10,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:13:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:10,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:13:10,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:11,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:11,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:11,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669048121] [2024-11-09 05:13:11,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:13:11,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951756630] [2024-11-09 05:13:11,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951756630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:13:11,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [269761410] [2024-11-09 05:13:11,216 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-09 05:13:11,217 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:11,217 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:11,218 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:11,218 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:13,229 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:13:13,229 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:14,821 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4946#(and (<= 1 |#StackHeapBarrier|) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 50) (<= |ULTIMATE.start_main_~s~0#1| 9223372036854775807) (exists ((|v_ULTIMATE.start_main_~t~0#1_90| Int)) (and (<= 1 |v_ULTIMATE.start_main_~t~0#1_90|) (<= |v_ULTIMATE.start_main_~t~0#1_90| 9223372036854775806) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~t~0#1_90| |v_ULTIMATE.start_main_~t~0#1_90|)))) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= 0 |ULTIMATE.start_main_~n~0#1|))' at error location [2024-11-09 05:13:14,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:13:14,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:13:14,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 05:13:14,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849528530] [2024-11-09 05:13:14,822 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 05:13:14,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:13:14,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:14,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:13:14,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:13:14,824 INFO L87 Difference]: Start difference. First operand 198 states and 244 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 05:13:15,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:15,114 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2024-11-09 05:13:15,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:13:15,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 59 [2024-11-09 05:13:15,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:15,116 INFO L225 Difference]: With dead ends: 258 [2024-11-09 05:13:15,117 INFO L226 Difference]: Without dead ends: 250 [2024-11-09 05:13:15,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 142 SyntacticMatches, 15 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:13:15,118 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 151 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:15,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 206 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:13:15,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-09 05:13:15,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 194. [2024-11-09 05:13:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 157 states have (on average 1.267515923566879) internal successors, (199), 176 states have internal predecessors, (199), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:13:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 231 transitions. [2024-11-09 05:13:15,133 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 231 transitions. Word has length 59 [2024-11-09 05:13:15,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:15,133 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 231 transitions. [2024-11-09 05:13:15,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 05:13:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 231 transitions. [2024-11-09 05:13:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 05:13:15,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:15,136 INFO L215 NwaCegarLoop]: trace histogram [5, 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] [2024-11-09 05:13:15,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 05:13:15,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 05:13:15,337 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:15,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:15,338 INFO L85 PathProgramCache]: Analyzing trace with hash -725327883, now seen corresponding path program 1 times [2024-11-09 05:13:15,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:15,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571833712] [2024-11-09 05:13:15,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:15,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:15,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:15,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571833712] [2024-11-09 05:13:15,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571833712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:15,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834703811] [2024-11-09 05:13:15,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:15,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:15,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:15,489 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:15,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 05:13:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:15,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:13:15,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:15,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:15,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834703811] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:13:15,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1929647305] [2024-11-09 05:13:15,834 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-09 05:13:15,834 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:15,834 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:15,834 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:15,834 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:17,393 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:13:17,394 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:18,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1929647305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:18,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:13:18,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [4, 4, 4] total 22 [2024-11-09 05:13:18,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430931006] [2024-11-09 05:13:18,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:18,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 05:13:18,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:18,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 05:13:18,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:13:18,818 INFO L87 Difference]: Start difference. First operand 194 states and 231 transitions. Second operand has 15 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:13:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:20,136 INFO L93 Difference]: Finished difference Result 195 states and 232 transitions. [2024-11-09 05:13:20,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 05:13:20,136 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 60 [2024-11-09 05:13:20,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:20,138 INFO L225 Difference]: With dead ends: 195 [2024-11-09 05:13:20,138 INFO L226 Difference]: Without dead ends: 185 [2024-11-09 05:13:20,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 146 SyntacticMatches, 15 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=327, Invalid=795, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 05:13:20,139 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 163 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:20,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 85 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:13:20,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-09 05:13:20,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 184. [2024-11-09 05:13:20,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 157 states have (on average 1.089171974522293) internal successors, (171), 166 states have internal predecessors, (171), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:13:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 203 transitions. [2024-11-09 05:13:20,158 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 203 transitions. Word has length 60 [2024-11-09 05:13:20,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:20,158 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 203 transitions. [2024-11-09 05:13:20,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:13:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 203 transitions. [2024-11-09 05:13:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 05:13:20,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:20,161 INFO L215 NwaCegarLoop]: trace histogram [5, 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] [2024-11-09 05:13:20,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 05:13:20,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 05:13:20,365 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:20,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:20,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1010327816, now seen corresponding path program 1 times [2024-11-09 05:13:20,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:20,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275302314] [2024-11-09 05:13:20,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:20,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:20,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275302314] [2024-11-09 05:13:20,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275302314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:20,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217825193] [2024-11-09 05:13:20,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:20,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:20,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:20,486 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:20,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:13:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:20,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:13:20,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:20,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 05:13:20,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217825193] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:13:20,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2021060010] [2024-11-09 05:13:20,845 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-09 05:13:20,845 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:20,845 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:20,846 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:20,846 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:22,300 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:13:22,301 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:23,852 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6659#(and (<= (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) 9223372036854775807) (<= 1 |#StackHeapBarrier|) (<= 1 |ULTIMATE.start_main_~t~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 50) (<= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= 2305843009213693951 (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) (* 2 |ULTIMATE.start_main_~a~0#1|))) (<= 0 |ULTIMATE.start_main_~n~0#1|))' at error location [2024-11-09 05:13:23,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:13:23,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:13:23,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 05:13:23,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808090103] [2024-11-09 05:13:23,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:13:23,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:13:23,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:23,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:13:23,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:13:23,855 INFO L87 Difference]: Start difference. First operand 184 states and 203 transitions. Second operand has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 05:13:24,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:24,169 INFO L93 Difference]: Finished difference Result 209 states and 236 transitions. [2024-11-09 05:13:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:13:24,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 61 [2024-11-09 05:13:24,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:24,172 INFO L225 Difference]: With dead ends: 209 [2024-11-09 05:13:24,172 INFO L226 Difference]: Without dead ends: 204 [2024-11-09 05:13:24,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 148 SyntacticMatches, 15 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:13:24,173 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 96 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:24,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 202 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:13:24,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-09 05:13:24,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 180. [2024-11-09 05:13:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 157 states have (on average 1.0509554140127388) internal successors, (165), 162 states have internal predecessors, (165), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:13:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 197 transitions. [2024-11-09 05:13:24,189 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 197 transitions. Word has length 61 [2024-11-09 05:13:24,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:24,190 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 197 transitions. [2024-11-09 05:13:24,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 05:13:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 197 transitions. [2024-11-09 05:13:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 05:13:24,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:24,192 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:13:24,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 05:13:24,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 05:13:24,392 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:24,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:24,393 INFO L85 PathProgramCache]: Analyzing trace with hash 764781357, now seen corresponding path program 1 times [2024-11-09 05:13:24,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:24,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949341979] [2024-11-09 05:13:24,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:24,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 05:13:24,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:24,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949341979] [2024-11-09 05:13:24,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949341979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:24,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:24,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:13:24,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834408716] [2024-11-09 05:13:24,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:24,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:13:24,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:24,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:13:24,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:24,473 INFO L87 Difference]: Start difference. First operand 180 states and 197 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 05:13:24,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:24,537 INFO L93 Difference]: Finished difference Result 180 states and 197 transitions. [2024-11-09 05:13:24,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:24,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 92 [2024-11-09 05:13:24,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:24,538 INFO L225 Difference]: With dead ends: 180 [2024-11-09 05:13:24,538 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 05:13:24,539 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 05:13:24,539 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 28 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:24,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 65 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:13:24,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 05:13:24,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-09 05:13:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 157 states have (on average 1.0445859872611465) internal successors, (164), 161 states have internal predecessors, (164), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:13:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 196 transitions. [2024-11-09 05:13:24,554 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 196 transitions. Word has length 92 [2024-11-09 05:13:24,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:24,555 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 196 transitions. [2024-11-09 05:13:24,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 05:13:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 196 transitions. [2024-11-09 05:13:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 05:13:24,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:24,557 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, 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 05:13:24,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:13:24,557 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:24,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:24,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1199955835, now seen corresponding path program 1 times [2024-11-09 05:13:24,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:24,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679868271] [2024-11-09 05:13:24,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:24,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-09 05:13:24,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:24,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679868271] [2024-11-09 05:13:24,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679868271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:24,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:24,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:13:24,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920759761] [2024-11-09 05:13:24,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:24,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:13:24,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:24,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:13:24,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:24,622 INFO L87 Difference]: Start difference. First operand 179 states and 196 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 05:13:24,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:24,695 INFO L93 Difference]: Finished difference Result 179 states and 196 transitions. [2024-11-09 05:13:24,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:24,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 95 [2024-11-09 05:13:24,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:24,697 INFO L225 Difference]: With dead ends: 179 [2024-11-09 05:13:24,697 INFO L226 Difference]: Without dead ends: 178 [2024-11-09 05:13:24,698 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 05:13:24,698 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 26 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:24,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 55 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:13:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-09 05:13:24,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-11-09 05:13:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 157 states have (on average 1.0382165605095541) internal successors, (163), 160 states have internal predecessors, (163), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:13:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2024-11-09 05:13:24,715 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 95 [2024-11-09 05:13:24,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:24,715 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2024-11-09 05:13:24,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 05:13:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2024-11-09 05:13:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 05:13:24,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:24,717 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, 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, 1, 1] [2024-11-09 05:13:24,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 05:13:24,720 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:24,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:24,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1241328759, now seen corresponding path program 1 times [2024-11-09 05:13:24,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:24,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649907068] [2024-11-09 05:13:24,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:24,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-09 05:13:24,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:24,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649907068] [2024-11-09 05:13:24,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649907068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:24,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:24,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:13:24,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706663996] [2024-11-09 05:13:24,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:24,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:13:24,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:24,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:13:24,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:24,783 INFO L87 Difference]: Start difference. First operand 178 states and 195 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 05:13:24,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:24,866 INFO L93 Difference]: Finished difference Result 178 states and 195 transitions. [2024-11-09 05:13:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:24,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 99 [2024-11-09 05:13:24,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:24,868 INFO L225 Difference]: With dead ends: 178 [2024-11-09 05:13:24,869 INFO L226 Difference]: Without dead ends: 177 [2024-11-09 05:13:24,869 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 05:13:24,870 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 26 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:24,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 55 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:13:24,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-09 05:13:24,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-09 05:13:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 157 states have (on average 1.0318471337579618) internal successors, (162), 159 states have internal predecessors, (162), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 05:13:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 194 transitions. [2024-11-09 05:13:24,888 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 194 transitions. Word has length 99 [2024-11-09 05:13:24,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:24,888 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 194 transitions. [2024-11-09 05:13:24,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 05:13:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 194 transitions. [2024-11-09 05:13:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 05:13:24,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:24,890 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, 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, 1, 1, 1, 1] [2024-11-09 05:13:24,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 05:13:24,891 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:24,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:24,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1083975947, now seen corresponding path program 1 times [2024-11-09 05:13:24,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:24,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938334482] [2024-11-09 05:13:24,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:24,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 05:13:24,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:24,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938334482] [2024-11-09 05:13:24,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938334482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:24,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:24,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:13:24,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817107153] [2024-11-09 05:13:24,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:24,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:13:24,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:24,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:13:24,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:24,950 INFO L87 Difference]: Start difference. First operand 177 states and 194 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 05:13:25,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:25,040 INFO L93 Difference]: Finished difference Result 177 states and 194 transitions. [2024-11-09 05:13:25,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:25,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 101 [2024-11-09 05:13:25,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:25,042 INFO L225 Difference]: With dead ends: 177 [2024-11-09 05:13:25,042 INFO L226 Difference]: Without dead ends: 152 [2024-11-09 05:13:25,042 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 05:13:25,043 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 26 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:25,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 55 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:13:25,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-09 05:13:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-09 05:13:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.0148148148148148) internal successors, (137), 136 states have internal predecessors, (137), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:13:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 165 transitions. [2024-11-09 05:13:25,059 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 165 transitions. Word has length 101 [2024-11-09 05:13:25,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:25,060 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 165 transitions. [2024-11-09 05:13:25,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 05:13:25,060 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 165 transitions. [2024-11-09 05:13:25,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 05:13:25,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:25,061 INFO L215 NwaCegarLoop]: trace histogram [11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2024-11-09 05:13:25,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 05:13:25,061 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:25,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:25,062 INFO L85 PathProgramCache]: Analyzing trace with hash -365067272, now seen corresponding path program 2 times [2024-11-09 05:13:25,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:25,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129550817] [2024-11-09 05:13:25,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:25,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:25,319 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-09 05:13:25,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:25,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129550817] [2024-11-09 05:13:25,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129550817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:25,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793322967] [2024-11-09 05:13:25,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:13:25,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:25,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:25,322 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:25,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 05:13:25,379 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 05:13:25,379 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:13:25,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 05:13:25,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-11-09 05:13:25,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:26,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793322967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:26,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1804767610] [2024-11-09 05:13:26,668 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-09 05:13:26,669 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:26,670 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:26,670 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:26,670 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:28,645 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:13:28,646 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:31,995 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9229#(and (<= (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) 9223372036854775807) (<= 1 |#StackHeapBarrier|) (<= 1 |ULTIMATE.start_main_~t~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 50) (<= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= 2305843009213693951 (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) (* 2 |ULTIMATE.start_main_~a~0#1|))) (<= 0 |ULTIMATE.start_main_~n~0#1|))' at error location [2024-11-09 05:13:31,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:13:31,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:13:31,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-09 05:13:31,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883550837] [2024-11-09 05:13:31,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 05:13:31,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 05:13:31,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:31,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 05:13:31,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=877, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:13:31,998 INFO L87 Difference]: Start difference. First operand 152 states and 165 transitions. Second operand has 15 states, 13 states have (on average 12.384615384615385) internal successors, (161), 15 states have internal predecessors, (161), 7 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-09 05:13:33,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:33,104 INFO L93 Difference]: Finished difference Result 171 states and 186 transitions. [2024-11-09 05:13:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:13:33,104 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 12.384615384615385) internal successors, (161), 15 states have internal predecessors, (161), 7 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 139 [2024-11-09 05:13:33,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:33,105 INFO L225 Difference]: With dead ends: 171 [2024-11-09 05:13:33,106 INFO L226 Difference]: Without dead ends: 170 [2024-11-09 05:13:33,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 246 SyntacticMatches, 37 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1449 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:13:33,107 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 318 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:33,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 60 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:13:33,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-09 05:13:33,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 151. [2024-11-09 05:13:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 135 states have (on average 1.0074074074074073) internal successors, (136), 135 states have internal predecessors, (136), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 05:13:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 164 transitions. [2024-11-09 05:13:33,132 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 164 transitions. Word has length 139 [2024-11-09 05:13:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:33,133 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 164 transitions. [2024-11-09 05:13:33,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 12.384615384615385) internal successors, (161), 15 states have internal predecessors, (161), 7 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-09 05:13:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 164 transitions. [2024-11-09 05:13:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-09 05:13:33,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:33,136 INFO L215 NwaCegarLoop]: trace histogram [14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-11-09 05:13:33,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 05:13:33,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 05:13:33,337 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 05:13:33,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:33,337 INFO L85 PathProgramCache]: Analyzing trace with hash -945859154, now seen corresponding path program 2 times [2024-11-09 05:13:33,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:33,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092485271] [2024-11-09 05:13:33,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:33,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:13:33,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [42026258] [2024-11-09 05:13:33,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:13:33,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:33,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:13:33,380 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:13:33,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:13:33,441 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 05:13:33,441 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:13:33,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 05:13:33,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:13:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 24 proven. 78 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-09 05:13:33,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:13:37,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:37,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092485271] [2024-11-09 05:13:37,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:13:37,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42026258] [2024-11-09 05:13:37,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42026258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:13:37,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [256204496] [2024-11-09 05:13:37,196 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-09 05:13:37,196 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:13:37,196 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:13:37,197 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:13:37,197 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:13:38,887 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-09 05:13:38,888 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:13:51,379 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10265#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~t~0#1_118| Int)) (and (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~t~0#1_118| |v_ULTIMATE.start_main_~t~0#1_118|)) (<= 1 |v_ULTIMATE.start_main_~t~0#1_118|) (<= |v_ULTIMATE.start_main_~t~0#1_118| 9223372036854775806))) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 50) (<= |ULTIMATE.start_main_~s~0#1| 9223372036854775807) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= 0 |ULTIMATE.start_main_~n~0#1|))' at error location [2024-11-09 05:13:51,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:13:51,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:13:51,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 05:13:51,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329142281] [2024-11-09 05:13:51,379 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 05:13:51,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 05:13:51,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:51,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 05:13:51,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2024-11-09 05:13:51,381 INFO L87 Difference]: Start difference. First operand 151 states and 164 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 05:13:51,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:51,941 INFO L93 Difference]: Finished difference Result 152 states and 165 transitions. [2024-11-09 05:13:51,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:13:51,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 176 [2024-11-09 05:13:51,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:51,943 INFO L225 Difference]: With dead ends: 152 [2024-11-09 05:13:51,943 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:13:51,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 304 SyntacticMatches, 48 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 05:13:51,945 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 123 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:51,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 28 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:13:51,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:13:51,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:13:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:13:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:13:51,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2024-11-09 05:13:51,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:51,947 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:13:51,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 05:13:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:13:51,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:13:51,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 50 remaining) [2024-11-09 05:13:51,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 50 remaining) [2024-11-09 05:13:51,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 50 remaining) [2024-11-09 05:13:51,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 50 remaining) [2024-11-09 05:13:51,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 50 remaining) [2024-11-09 05:13:51,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 50 remaining) [2024-11-09 05:13:51,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 50 remaining) [2024-11-09 05:13:51,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 50 remaining) [2024-11-09 05:13:51,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 50 remaining) [2024-11-09 05:13:51,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 50 remaining) [2024-11-09 05:13:51,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 50 remaining) [2024-11-09 05:13:51,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 50 remaining) [2024-11-09 05:13:51,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 50 remaining) [2024-11-09 05:13:51,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 50 remaining) [2024-11-09 05:13:51,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 50 remaining) [2024-11-09 05:13:51,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 50 remaining) [2024-11-09 05:13:51,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 50 remaining) [2024-11-09 05:13:51,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 50 remaining) [2024-11-09 05:13:51,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 50 remaining) [2024-11-09 05:13:51,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 50 remaining) [2024-11-09 05:13:51,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 50 remaining) [2024-11-09 05:13:51,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 50 remaining) [2024-11-09 05:13:51,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 50 remaining) [2024-11-09 05:13:51,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 50 remaining) [2024-11-09 05:13:51,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 50 remaining) [2024-11-09 05:13:51,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 50 remaining) [2024-11-09 05:13:51,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 50 remaining) [2024-11-09 05:13:51,959 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 50 remaining) [2024-11-09 05:13:51,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 50 remaining) [2024-11-09 05:13:51,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 50 remaining) [2024-11-09 05:13:51,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 50 remaining) [2024-11-09 05:13:51,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 50 remaining) [2024-11-09 05:13:51,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 50 remaining) [2024-11-09 05:13:51,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 50 remaining) [2024-11-09 05:13:51,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 50 remaining) [2024-11-09 05:13:51,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 50 remaining) [2024-11-09 05:13:51,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 50 remaining) [2024-11-09 05:13:51,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 50 remaining) [2024-11-09 05:13:51,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 50 remaining) [2024-11-09 05:13:51,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 50 remaining) [2024-11-09 05:13:51,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 50 remaining) [2024-11-09 05:13:51,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 50 remaining) [2024-11-09 05:13:51,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 50 remaining) [2024-11-09 05:13:51,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 50 remaining) [2024-11-09 05:13:51,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 50 remaining) [2024-11-09 05:13:51,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 50 remaining) [2024-11-09 05:13:51,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 50 remaining) [2024-11-09 05:13:51,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 50 remaining) [2024-11-09 05:13:51,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 50 remaining) [2024-11-09 05:13:51,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 50 remaining) [2024-11-09 05:13:51,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 05:13:52,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:13:52,170 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:13:52,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:13:53,592 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:13:53,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:13:53,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:13:53,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:13:53,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:13:53,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:13:53,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 05:13:53,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 05:13:53,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:13:53,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:13:53,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:13:53,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:13:53,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:13:53,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:13:53,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 05:13:53,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 05:13:53,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:13:53,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:13:53,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:13:53,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:13:53,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:13:53,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 05:13:53,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:13:53,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:13:53 BoogieIcfgContainer [2024-11-09 05:13:53,623 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:13:53,624 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:13:53,624 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:13:53,624 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:13:53,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:12:55" (3/4) ... [2024-11-09 05:13:53,627 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:13:53,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 05:13:53,635 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-09 05:13:53,635 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 05:13:53,636 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:13:53,636 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:13:53,735 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:13:53,736 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:13:53,736 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:13:53,737 INFO L158 Benchmark]: Toolchain (without parser) took 59083.25ms. Allocated memory was 146.8MB in the beginning and 557.8MB in the end (delta: 411.0MB). Free memory was 111.9MB in the beginning and 210.4MB in the end (delta: -98.5MB). Peak memory consumption was 315.6MB. Max. memory is 16.1GB. [2024-11-09 05:13:53,737 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:13:53,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.83ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 99.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:13:53,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.32ms. Allocated memory is still 146.8MB. Free memory was 99.3MB in the beginning and 97.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:13:53,738 INFO L158 Benchmark]: Boogie Preprocessor took 37.15ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:13:53,738 INFO L158 Benchmark]: RCFGBuilder took 828.17ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 113.7MB in the end (delta: -17.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-09 05:13:53,738 INFO L158 Benchmark]: TraceAbstraction took 57669.43ms. Allocated memory was 146.8MB in the beginning and 557.8MB in the end (delta: 411.0MB). Free memory was 112.4MB in the beginning and 215.6MB in the end (delta: -103.2MB). Peak memory consumption was 306.5MB. Max. memory is 16.1GB. [2024-11-09 05:13:53,739 INFO L158 Benchmark]: Witness Printer took 112.57ms. Allocated memory is still 557.8MB. Free memory was 215.6MB in the beginning and 210.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:13:53,741 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.83ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 99.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.32ms. Allocated memory is still 146.8MB. Free memory was 99.3MB in the beginning and 97.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.15ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 828.17ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 113.7MB in the end (delta: -17.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 57669.43ms. Allocated memory was 146.8MB in the beginning and 557.8MB in the end (delta: 411.0MB). Free memory was 112.4MB in the beginning and 215.6MB in the end (delta: -103.2MB). Peak memory consumption was 306.5MB. Max. memory is 16.1GB. * Witness Printer took 112.57ms. Allocated memory is still 557.8MB. Free memory was 215.6MB in the beginning and 210.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 113 locations, 50 error locations. Started 1 CEGAR loops. OverallTime: 56.1s, OverallIterations: 19, TraceHistogramMax: 14, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1865 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1807 mSDsluCounter, 2521 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1398 mSDsCounter, 252 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2429 IncrementalHoareTripleChecker+Invalid, 2681 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 252 mSolverCounterUnsat, 1123 mSDtfsCounter, 2429 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1649 GetRequests, 1283 SyntacticMatches, 155 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3971 ImplicationChecksByTransitivity, 29.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=10, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 345 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 1850 NumberOfCodeBlocks, 1607 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1789 ConstructedInterpolants, 4 QuantifiedInterpolants, 8124 SizeOfPredicates, 8 NumberOfNonLiveVariables, 819 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 29 InterpolantComputations, 12 PerfectInterpolantSequences, 1237/1692 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 53, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 149, TOOLS_POST_TIME: 0.7s, TOOLS_POST_CALL_APPLICATIONS: 33, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 30, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 212, TOOLS_QUANTIFIERELIM_TIME: 1.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 230, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 53, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 1.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 30, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 2535, DAG_COMPRESSION_RETAINED_NODES: 156, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 50 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((t == 1) && (n <= 50)) && (a == 0)) && (0 <= n)) && (s == 1)) || ((((((((((__int128) t + 1) <= s) && (3 <= t)) && (1 <= a)) && (n <= 50)) && ((((__int128) a * a) + ((__int128) 2 * a)) <= 9223372036854775806)) && (1 <= n)) && (s <= ((__int128) t + 50))) && (s <= 9223372036854775807))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:13:53,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdcf3400-e41a-4a9d-8427-e7830a3a6610/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE