./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E --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 6d288c71d1b2e69759b6f9526e6975c86927bb09c8445c07388947e8f3491289 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:39:26,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:39:26,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 05:39:26,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:39:26,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:39:26,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:39:26,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:39:26,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:39:26,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:39:26,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:39:26,277 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:39:26,278 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:39:26,278 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:39:26,278 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:39:26,278 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:39:26,278 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:39:26,281 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:39:26,281 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:39:26,281 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:39:26,281 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:39:26,281 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:39:26,281 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:39:26,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:39:26,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:39:26,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:39:26,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:39:26,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:39:26,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:39:26,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:39:26,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:39:26,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:39:26,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:39:26,283 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:39:26,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:39:26,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:39:26,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:39:26,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:39:26,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:39:26,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:39:26,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:39:26,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:39:26,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:39:26,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:39:26,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:39:26,287 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:39:26,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:39:26,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:39:26,288 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:39:26,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:39:26,288 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E 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 -> 6d288c71d1b2e69759b6f9526e6975c86927bb09c8445c07388947e8f3491289 [2024-11-14 05:39:26,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:39:26,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:39:26,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:39:26,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:39:26,611 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:39:26,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c Unable to find full path for "g++" [2024-11-14 05:39:28,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:39:29,140 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:39:29,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound5.c [2024-11-14 05:39:29,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/data/464d2fa01/8bf1c3c14a0d426c9d72f5fb25cd481e/FLAG521172b63 [2024-11-14 05:39:29,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/data/464d2fa01/8bf1c3c14a0d426c9d72f5fb25cd481e [2024-11-14 05:39:29,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:39:29,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:39:29,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:39:29,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:39:29,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:39:29,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e74021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29, skipping insertion in model container [2024-11-14 05:39:29,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:39:29,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:39:29,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:39:29,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:39:29,563 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:39:29,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29 WrapperNode [2024-11-14 05:39:29,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:39:29,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:39:29,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:39:29,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:39:29,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,630 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 153 [2024-11-14 05:39:29,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:39:29,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:39:29,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:39:29,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:39:29,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:39:29,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:39:29,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:39:29,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:39:29,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (1/1) ... [2024-11-14 05:39:29,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:39:29,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:29,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:39:29,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:39:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:39:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:39:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:39:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:39:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:39:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:39:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 05:39:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 05:39:29,870 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:39:29,872 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:39:30,822 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-14 05:39:30,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:39:30,889 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:39:30,890 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 05:39:30,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:30 BoogieIcfgContainer [2024-11-14 05:39:30,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:39:30,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:39:30,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:39:30,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:39:30,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:39:29" (1/3) ... [2024-11-14 05:39:30,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e183f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:30, skipping insertion in model container [2024-11-14 05:39:30,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:39:29" (2/3) ... [2024-11-14 05:39:30,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e183f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:39:30, skipping insertion in model container [2024-11-14 05:39:30,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:30" (3/3) ... [2024-11-14 05:39:30,913 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound5.c [2024-11-14 05:39:30,934 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:39:30,936 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_unwindbound5.c that has 3 procedures, 137 locations, 1 initial locations, 3 loop locations, and 56 error locations. [2024-11-14 05:39:31,007 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:39:31,023 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;@7b0e5698, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:39:31,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-14 05:39:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 127 states have internal predecessors, (136), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-14 05:39:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 05:39:31,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:31,038 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:31,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:31,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:31,044 INFO L85 PathProgramCache]: Analyzing trace with hash 879355021, now seen corresponding path program 1 times [2024-11-14 05:39:31,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:31,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243246055] [2024-11-14 05:39:31,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:31,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:31,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:31,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243246055] [2024-11-14 05:39:31,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243246055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:31,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:31,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:39:31,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122843016] [2024-11-14 05:39:31,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:31,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:39:31,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:31,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:39:31,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:39:31,275 INFO L87 Difference]: Start difference. First operand has 137 states, 71 states have (on average 1.9154929577464788) internal successors, (136), 127 states have internal predecessors, (136), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-11-14 05:39:31,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:31,328 INFO L93 Difference]: Finished difference Result 268 states and 293 transitions. [2024-11-14 05:39:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:39:31,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 10 [2024-11-14 05:39:31,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:31,340 INFO L225 Difference]: With dead ends: 268 [2024-11-14 05:39:31,340 INFO L226 Difference]: Without dead ends: 134 [2024-11-14 05:39:31,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:39:31,347 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:31,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:39:31,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-14 05:39:31,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-14 05:39:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 70 states have (on average 1.8714285714285714) internal successors, (131), 125 states have internal predecessors, (131), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:39:31,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 143 transitions. [2024-11-14 05:39:31,413 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 143 transitions. Word has length 10 [2024-11-14 05:39:31,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:31,414 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 143 transitions. [2024-11-14 05:39:31,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-11-14 05:39:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2024-11-14 05:39:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 05:39:31,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:31,416 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:31,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:39:31,417 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:31,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:31,418 INFO L85 PathProgramCache]: Analyzing trace with hash 879350700, now seen corresponding path program 1 times [2024-11-14 05:39:31,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:31,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005807837] [2024-11-14 05:39:31,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:31,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:31,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:31,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005807837] [2024-11-14 05:39:31,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005807837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:31,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:31,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:31,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746471140] [2024-11-14 05:39:31,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:31,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:31,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:31,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:31,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:31,579 INFO L87 Difference]: Start difference. First operand 134 states and 143 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-14 05:39:31,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:31,686 INFO L93 Difference]: Finished difference Result 168 states and 177 transitions. [2024-11-14 05:39:31,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:39:31,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 10 [2024-11-14 05:39:31,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:31,689 INFO L225 Difference]: With dead ends: 168 [2024-11-14 05:39:31,689 INFO L226 Difference]: Without dead ends: 138 [2024-11-14 05:39:31,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:31,690 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 7 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:31,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 397 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:39:31,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-14 05:39:31,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-14 05:39:31,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 74 states have (on average 1.8243243243243243) internal successors, (135), 129 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:39:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 147 transitions. [2024-11-14 05:39:31,705 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 147 transitions. Word has length 10 [2024-11-14 05:39:31,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:31,705 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 147 transitions. [2024-11-14 05:39:31,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-14 05:39:31,705 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2024-11-14 05:39:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 05:39:31,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:31,706 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:31,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:39:31,706 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:31,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:31,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2127848623, now seen corresponding path program 1 times [2024-11-14 05:39:31,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:31,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218739999] [2024-11-14 05:39:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:31,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 05:39:31,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:31,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218739999] [2024-11-14 05:39:31,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218739999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:31,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:31,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:39:31,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699409461] [2024-11-14 05:39:31,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:31,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:39:31,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:31,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:39:31,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:31,887 INFO L87 Difference]: Start difference. First operand 138 states and 147 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 05:39:32,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:32,408 INFO L93 Difference]: Finished difference Result 236 states and 259 transitions. [2024-11-14 05:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:39:32,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-11-14 05:39:32,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:32,411 INFO L225 Difference]: With dead ends: 236 [2024-11-14 05:39:32,411 INFO L226 Difference]: Without dead ends: 208 [2024-11-14 05:39:32,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:39:32,413 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 253 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:32,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 273 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 05:39:32,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-14 05:39:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 139. [2024-11-14 05:39:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 130 states have internal predecessors, (136), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:39:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2024-11-14 05:39:32,429 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 14 [2024-11-14 05:39:32,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:32,429 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2024-11-14 05:39:32,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 05:39:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2024-11-14 05:39:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 05:39:32,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:32,430 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:32,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:39:32,430 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:32,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:32,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1538796134, now seen corresponding path program 1 times [2024-11-14 05:39:32,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:32,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61751045] [2024-11-14 05:39:32,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:32,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:32,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61751045] [2024-11-14 05:39:32,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61751045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:32,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:32,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:39:32,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546355262] [2024-11-14 05:39:32,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:32,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:39:32,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:32,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:39:32,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:39:32,593 INFO L87 Difference]: Start difference. First operand 139 states and 148 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-11-14 05:39:32,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:32,750 INFO L93 Difference]: Finished difference Result 173 states and 184 transitions. [2024-11-14 05:39:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:39:32,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 15 [2024-11-14 05:39:32,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:32,753 INFO L225 Difference]: With dead ends: 173 [2024-11-14 05:39:32,753 INFO L226 Difference]: Without dead ends: 172 [2024-11-14 05:39:32,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:39:32,758 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 39 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:32,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 761 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:39:32,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-14 05:39:32,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 141. [2024-11-14 05:39:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 132 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:39:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2024-11-14 05:39:32,787 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 15 [2024-11-14 05:39:32,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:32,788 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2024-11-14 05:39:32,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-11-14 05:39:32,788 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2024-11-14 05:39:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 05:39:32,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:32,789 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:32,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:39:32,789 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:32,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:32,790 INFO L85 PathProgramCache]: Analyzing trace with hash 458039959, now seen corresponding path program 1 times [2024-11-14 05:39:32,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:32,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2534205] [2024-11-14 05:39:32,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:32,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:32,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:32,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2534205] [2024-11-14 05:39:32,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2534205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:32,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:32,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:39:32,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775251731] [2024-11-14 05:39:32,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:32,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:39:32,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:32,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:39:32,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:39:32,960 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (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) [2024-11-14 05:39:33,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:33,147 INFO L93 Difference]: Finished difference Result 271 states and 290 transitions. [2024-11-14 05:39:33,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 05:39:33,148 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (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 16 [2024-11-14 05:39:33,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:33,150 INFO L225 Difference]: With dead ends: 271 [2024-11-14 05:39:33,150 INFO L226 Difference]: Without dead ends: 143 [2024-11-14 05:39:33,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:39:33,153 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 9 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:33,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 767 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:39:33,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-14 05:39:33,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-14 05:39:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:39:33,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2024-11-14 05:39:33,182 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 16 [2024-11-14 05:39:33,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:33,183 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2024-11-14 05:39:33,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (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) [2024-11-14 05:39:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2024-11-14 05:39:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 05:39:33,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:33,184 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:33,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:39:33,184 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:33,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:33,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1805969892, now seen corresponding path program 1 times [2024-11-14 05:39:33,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:33,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199460494] [2024-11-14 05:39:33,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:33,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:33,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868350676] [2024-11-14 05:39:33,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:33,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:33,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:33,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:33,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:39:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:33,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:39:33,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:33,348 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:33,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:33,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199460494] [2024-11-14 05:39:33,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:33,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868350676] [2024-11-14 05:39:33,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868350676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:33,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:33,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:39:33,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449211510] [2024-11-14 05:39:33,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:33,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:39:33,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:33,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:39:33,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:39:33,350 INFO L87 Difference]: Start difference. First operand 143 states and 152 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) [2024-11-14 05:39:33,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:33,754 INFO L93 Difference]: Finished difference Result 222 states and 243 transitions. [2024-11-14 05:39:33,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:39:33,755 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 [2024-11-14 05:39:33,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:33,756 INFO L225 Difference]: With dead ends: 222 [2024-11-14 05:39:33,756 INFO L226 Difference]: Without dead ends: 218 [2024-11-14 05:39:33,757 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 [2024-11-14 05:39:33,758 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 68 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:33,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 234 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:39:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-14 05:39:33,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 188. [2024-11-14 05:39:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 120 states have (on average 1.7916666666666667) internal successors, (215), 175 states have internal predecessors, (215), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 05:39:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 235 transitions. [2024-11-14 05:39:33,773 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 235 transitions. Word has length 20 [2024-11-14 05:39:33,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:33,774 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 235 transitions. [2024-11-14 05:39:33,774 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) [2024-11-14 05:39:33,774 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 235 transitions. [2024-11-14 05:39:33,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 05:39:33,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:33,774 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:33,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:39:33,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 05:39:33,979 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:33,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:33,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1805970562, now seen corresponding path program 1 times [2024-11-14 05:39:33,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:33,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808272877] [2024-11-14 05:39:33,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:33,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:34,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:34,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808272877] [2024-11-14 05:39:34,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808272877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:34,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:34,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 05:39:34,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117513939] [2024-11-14 05:39:34,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:34,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 05:39:34,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:34,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 05:39:34,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:39:34,145 INFO L87 Difference]: Start difference. First operand 188 states and 235 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 9 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) [2024-11-14 05:39:34,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:34,397 INFO L93 Difference]: Finished difference Result 237 states and 253 transitions. [2024-11-14 05:39:34,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 05:39:34,402 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 9 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 [2024-11-14 05:39:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:34,403 INFO L225 Difference]: With dead ends: 237 [2024-11-14 05:39:34,404 INFO L226 Difference]: Without dead ends: 235 [2024-11-14 05:39:34,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:39:34,405 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 188 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:34,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 739 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:39:34,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-14 05:39:34,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 190. [2024-11-14 05:39:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 121 states have (on average 1.7685950413223142) internal successors, (214), 176 states have internal predecessors, (214), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 05:39:34,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 234 transitions. [2024-11-14 05:39:34,438 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 234 transitions. Word has length 20 [2024-11-14 05:39:34,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:34,438 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 234 transitions. [2024-11-14 05:39:34,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 9 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) [2024-11-14 05:39:34,438 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 234 transitions. [2024-11-14 05:39:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 05:39:34,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:34,439 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] [2024-11-14 05:39:34,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:39:34,439 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:34,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:34,440 INFO L85 PathProgramCache]: Analyzing trace with hash -150512495, now seen corresponding path program 1 times [2024-11-14 05:39:34,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:34,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612676157] [2024-11-14 05:39:34,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:34,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:34,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612676157] [2024-11-14 05:39:34,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612676157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:34,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:34,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 05:39:34,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294584224] [2024-11-14 05:39:34,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:34,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 05:39:34,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:34,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 05:39:34,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:39:34,640 INFO L87 Difference]: Start difference. First operand 190 states and 234 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 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) [2024-11-14 05:39:34,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:34,874 INFO L93 Difference]: Finished difference Result 390 states and 480 transitions. [2024-11-14 05:39:34,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 05:39:34,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 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 [2024-11-14 05:39:34,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:34,878 INFO L225 Difference]: With dead ends: 390 [2024-11-14 05:39:34,878 INFO L226 Difference]: Without dead ends: 215 [2024-11-14 05:39:34,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:39:34,880 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 32 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:34,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1002 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:39:34,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-14 05:39:34,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 195. [2024-11-14 05:39:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 126 states have (on average 1.746031746031746) internal successors, (220), 181 states have internal predecessors, (220), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 05:39:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 240 transitions. [2024-11-14 05:39:34,904 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 240 transitions. Word has length 21 [2024-11-14 05:39:34,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:34,904 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 240 transitions. [2024-11-14 05:39:34,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 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) [2024-11-14 05:39:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 240 transitions. [2024-11-14 05:39:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 05:39:34,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:34,907 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] [2024-11-14 05:39:34,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:39:34,907 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:34,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:34,908 INFO L85 PathProgramCache]: Analyzing trace with hash -370273506, now seen corresponding path program 1 times [2024-11-14 05:39:34,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:34,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810467629] [2024-11-14 05:39:34,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:34,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:35,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:35,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810467629] [2024-11-14 05:39:35,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810467629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:35,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:35,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:39:35,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901311501] [2024-11-14 05:39:35,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:35,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:39:35,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:35,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:39:35,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:35,180 INFO L87 Difference]: Start difference. First operand 195 states and 240 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (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) [2024-11-14 05:39:35,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:35,723 INFO L93 Difference]: Finished difference Result 222 states and 244 transitions. [2024-11-14 05:39:35,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:39:35,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (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 22 [2024-11-14 05:39:35,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:35,725 INFO L225 Difference]: With dead ends: 222 [2024-11-14 05:39:35,725 INFO L226 Difference]: Without dead ends: 221 [2024-11-14 05:39:35,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:35,727 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 63 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:35,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 387 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 05:39:35,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-14 05:39:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 196. [2024-11-14 05:39:35,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 127 states have (on average 1.7401574803149606) internal successors, (221), 182 states have internal predecessors, (221), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 05:39:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 241 transitions. [2024-11-14 05:39:35,741 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 241 transitions. Word has length 22 [2024-11-14 05:39:35,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:35,742 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 241 transitions. [2024-11-14 05:39:35,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (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) [2024-11-14 05:39:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 241 transitions. [2024-11-14 05:39:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 05:39:35,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:35,743 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] [2024-11-14 05:39:35,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:39:35,743 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:35,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:35,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1406423366, now seen corresponding path program 1 times [2024-11-14 05:39:35,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:35,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271835075] [2024-11-14 05:39:35,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:35,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:35,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1100784889] [2024-11-14 05:39:35,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:35,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:35,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:35,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:35,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 05:39:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:35,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:39:35,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:35,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:35,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:35,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271835075] [2024-11-14 05:39:35,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:35,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100784889] [2024-11-14 05:39:35,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100784889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:35,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:35,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:35,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510546058] [2024-11-14 05:39:36,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:36,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:36,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:36,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:36,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:36,001 INFO L87 Difference]: Start difference. First operand 196 states and 241 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-14 05:39:36,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:36,611 INFO L93 Difference]: Finished difference Result 220 states and 243 transitions. [2024-11-14 05:39:36,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:36,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 23 [2024-11-14 05:39:36,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:36,614 INFO L225 Difference]: With dead ends: 220 [2024-11-14 05:39:36,614 INFO L226 Difference]: Without dead ends: 219 [2024-11-14 05:39:36,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:36,616 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 62 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:36,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 331 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 05:39:36,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-14 05:39:36,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 197. [2024-11-14 05:39:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 128 states have (on average 1.734375) internal successors, (222), 183 states have internal predecessors, (222), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 05:39:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 242 transitions. [2024-11-14 05:39:36,634 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 242 transitions. Word has length 23 [2024-11-14 05:39:36,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:36,634 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 242 transitions. [2024-11-14 05:39:36,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-14 05:39:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 242 transitions. [2024-11-14 05:39:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 05:39:36,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:36,636 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] [2024-11-14 05:39:36,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 05:39:36,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-14 05:39:36,837 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:36,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:36,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1386383059, now seen corresponding path program 1 times [2024-11-14 05:39:36,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:36,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162539783] [2024-11-14 05:39:36,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:36,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:36,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634401711] [2024-11-14 05:39:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:36,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:36,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:36,863 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:36,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 05:39:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:36,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:39:36,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:36,968 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:36,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:36,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162539783] [2024-11-14 05:39:36,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:36,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634401711] [2024-11-14 05:39:36,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634401711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:36,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:36,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:39:36,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454353420] [2024-11-14 05:39:36,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:36,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:39:36,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:36,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:39:36,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:39:36,970 INFO L87 Difference]: Start difference. First operand 197 states and 242 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (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) [2024-11-14 05:39:37,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:37,355 INFO L93 Difference]: Finished difference Result 223 states and 242 transitions. [2024-11-14 05:39:37,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:39:37,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (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 23 [2024-11-14 05:39:37,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:37,357 INFO L225 Difference]: With dead ends: 223 [2024-11-14 05:39:37,357 INFO L226 Difference]: Without dead ends: 221 [2024-11-14 05:39:37,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:39:37,358 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 61 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:37,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 264 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:39:37,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-14 05:39:37,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 197. [2024-11-14 05:39:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 128 states have (on average 1.71875) internal successors, (220), 183 states have internal predecessors, (220), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-14 05:39:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 240 transitions. [2024-11-14 05:39:37,389 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 240 transitions. Word has length 23 [2024-11-14 05:39:37,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:37,390 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 240 transitions. [2024-11-14 05:39:37,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (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) [2024-11-14 05:39:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 240 transitions. [2024-11-14 05:39:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 05:39:37,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:37,393 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] [2024-11-14 05:39:37,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 05:39:37,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-14 05:39:37,597 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:37,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:37,597 INFO L85 PathProgramCache]: Analyzing trace with hash 649451552, now seen corresponding path program 1 times [2024-11-14 05:39:37,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:37,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583194571] [2024-11-14 05:39:37,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:37,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:37,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025674738] [2024-11-14 05:39:37,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:37,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:37,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:37,618 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:37,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 05:39:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:37,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:39:37,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:37,701 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:37,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:37,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583194571] [2024-11-14 05:39:37,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:37,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025674738] [2024-11-14 05:39:37,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025674738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:37,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:37,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:39:37,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581941905] [2024-11-14 05:39:37,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:37,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:39:37,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:37,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:39:37,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:39:37,704 INFO L87 Difference]: Start difference. First operand 197 states and 240 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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) [2024-11-14 05:39:37,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:37,953 INFO L93 Difference]: Finished difference Result 322 states and 412 transitions. [2024-11-14 05:39:37,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:39:37,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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 [2024-11-14 05:39:37,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:37,958 INFO L225 Difference]: With dead ends: 322 [2024-11-14 05:39:37,959 INFO L226 Difference]: Without dead ends: 316 [2024-11-14 05:39:37,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:39:37,960 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 65 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:37,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 229 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:39:37,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-14 05:39:37,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 280. [2024-11-14 05:39:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 203 states have (on average 1.7142857142857142) internal successors, (348), 258 states have internal predecessors, (348), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:37,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 384 transitions. [2024-11-14 05:39:37,993 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 384 transitions. Word has length 24 [2024-11-14 05:39:37,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:37,994 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 384 transitions. [2024-11-14 05:39:37,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (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) [2024-11-14 05:39:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 384 transitions. [2024-11-14 05:39:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-14 05:39:37,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:37,997 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] [2024-11-14 05:39:38,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 05:39:38,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:38,198 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:38,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:38,199 INFO L85 PathProgramCache]: Analyzing trace with hash 874260757, now seen corresponding path program 1 times [2024-11-14 05:39:38,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:38,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510953458] [2024-11-14 05:39:38,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:38,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:38,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206976603] [2024-11-14 05:39:38,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:38,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:38,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:38,224 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:38,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 05:39:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:38,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:39:38,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:38,432 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:38,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:38,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510953458] [2024-11-14 05:39:38,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:38,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206976603] [2024-11-14 05:39:38,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206976603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:38,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:38,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:38,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970344161] [2024-11-14 05:39:38,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:38,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:38,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:38,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:38,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:38,436 INFO L87 Difference]: Start difference. First operand 280 states and 384 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-14 05:39:38,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:38,812 INFO L93 Difference]: Finished difference Result 301 states and 384 transitions. [2024-11-14 05:39:38,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:38,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 25 [2024-11-14 05:39:38,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:38,815 INFO L225 Difference]: With dead ends: 301 [2024-11-14 05:39:38,815 INFO L226 Difference]: Without dead ends: 300 [2024-11-14 05:39:38,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:38,817 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 198 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:38,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 214 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:39:38,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-14 05:39:38,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 280. [2024-11-14 05:39:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 203 states have (on average 1.7044334975369457) internal successors, (346), 258 states have internal predecessors, (346), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 382 transitions. [2024-11-14 05:39:38,837 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 382 transitions. Word has length 25 [2024-11-14 05:39:38,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:38,838 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 382 transitions. [2024-11-14 05:39:38,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-14 05:39:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 382 transitions. [2024-11-14 05:39:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-14 05:39:38,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:38,839 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] [2024-11-14 05:39:38,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-14 05:39:39,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-14 05:39:39,044 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:39,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:39,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1352688930, now seen corresponding path program 1 times [2024-11-14 05:39:39,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:39,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77760916] [2024-11-14 05:39:39,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:39,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:39,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:39,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77760916] [2024-11-14 05:39:39,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77760916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:39,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:39,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:39:39,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002506697] [2024-11-14 05:39:39,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:39,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:39:39,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:39,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:39:39,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:39,357 INFO L87 Difference]: Start difference. First operand 280 states and 382 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-11-14 05:39:39,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:39,783 INFO L93 Difference]: Finished difference Result 312 states and 392 transitions. [2024-11-14 05:39:39,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:39:39,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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 26 [2024-11-14 05:39:39,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:39,786 INFO L225 Difference]: With dead ends: 312 [2024-11-14 05:39:39,786 INFO L226 Difference]: Without dead ends: 311 [2024-11-14 05:39:39,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:39,787 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 64 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:39,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 403 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:39:39,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-14 05:39:39,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 285. [2024-11-14 05:39:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 208 states have (on average 1.6971153846153846) internal successors, (353), 263 states have internal predecessors, (353), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 389 transitions. [2024-11-14 05:39:39,806 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 389 transitions. Word has length 26 [2024-11-14 05:39:39,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:39,807 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 389 transitions. [2024-11-14 05:39:39,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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) [2024-11-14 05:39:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 389 transitions. [2024-11-14 05:39:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-14 05:39:39,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:39,808 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] [2024-11-14 05:39:39,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 05:39:39,808 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:39,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1332279783, now seen corresponding path program 1 times [2024-11-14 05:39:39,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:39,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544093564] [2024-11-14 05:39:39,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:39,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:39,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139734937] [2024-11-14 05:39:39,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:39,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:39,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:39,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:39,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 05:39:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:39,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:39:39,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:40,014 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:40,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:40,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544093564] [2024-11-14 05:39:40,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:40,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139734937] [2024-11-14 05:39:40,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139734937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:40,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:40,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:40,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536732179] [2024-11-14 05:39:40,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:40,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:40,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:40,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:40,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:40,017 INFO L87 Difference]: Start difference. First operand 285 states and 389 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-14 05:39:40,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:40,211 INFO L93 Difference]: Finished difference Result 306 states and 389 transitions. [2024-11-14 05:39:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:40,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 26 [2024-11-14 05:39:40,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:40,214 INFO L225 Difference]: With dead ends: 306 [2024-11-14 05:39:40,215 INFO L226 Difference]: Without dead ends: 305 [2024-11-14 05:39:40,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:40,216 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 160 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:40,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 220 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:39:40,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-14 05:39:40,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2024-11-14 05:39:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 208 states have (on average 1.6875) internal successors, (351), 263 states have internal predecessors, (351), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 387 transitions. [2024-11-14 05:39:40,236 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 387 transitions. Word has length 26 [2024-11-14 05:39:40,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:40,236 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 387 transitions. [2024-11-14 05:39:40,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-14 05:39:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 387 transitions. [2024-11-14 05:39:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 05:39:40,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:40,237 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] [2024-11-14 05:39:40,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 05:39:40,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-14 05:39:40,442 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:40,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:40,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1016315958, now seen corresponding path program 1 times [2024-11-14 05:39:40,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:40,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277845583] [2024-11-14 05:39:40,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:40,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:40,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1744992214] [2024-11-14 05:39:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:40,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:40,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:40,466 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:40,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 05:39:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:40,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:39:40,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:40,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:40,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:40,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277845583] [2024-11-14 05:39:40,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:40,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744992214] [2024-11-14 05:39:40,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744992214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:40,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:40,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:39:40,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142188585] [2024-11-14 05:39:40,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:40,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:39:40,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:40,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:39:40,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:40,629 INFO L87 Difference]: Start difference. First operand 285 states and 387 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-14 05:39:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:41,289 INFO L93 Difference]: Finished difference Result 329 states and 398 transitions. [2024-11-14 05:39:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:39:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 27 [2024-11-14 05:39:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:41,293 INFO L225 Difference]: With dead ends: 329 [2024-11-14 05:39:41,293 INFO L226 Difference]: Without dead ends: 328 [2024-11-14 05:39:41,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:41,295 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 173 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:41,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 406 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 05:39:41,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-14 05:39:41,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 287. [2024-11-14 05:39:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.680952380952381) internal successors, (353), 265 states have internal predecessors, (353), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 389 transitions. [2024-11-14 05:39:41,319 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 389 transitions. Word has length 27 [2024-11-14 05:39:41,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:41,319 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 389 transitions. [2024-11-14 05:39:41,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-14 05:39:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 389 transitions. [2024-11-14 05:39:41,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 05:39:41,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:41,320 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] [2024-11-14 05:39:41,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 05:39:41,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-14 05:39:41,520 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:41,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:41,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1648999593, now seen corresponding path program 1 times [2024-11-14 05:39:41,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:41,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352261853] [2024-11-14 05:39:41,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:41,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:41,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1237480523] [2024-11-14 05:39:41,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:41,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:41,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:41,551 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:41,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 05:39:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:41,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:39:41,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:41,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:41,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:41,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352261853] [2024-11-14 05:39:41,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:41,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237480523] [2024-11-14 05:39:41,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237480523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:41,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:41,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:41,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659064249] [2024-11-14 05:39:41,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:41,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:41,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:41,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:41,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:41,679 INFO L87 Difference]: Start difference. First operand 287 states and 389 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (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) [2024-11-14 05:39:42,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:42,029 INFO L93 Difference]: Finished difference Result 313 states and 392 transitions. [2024-11-14 05:39:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:42,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (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 27 [2024-11-14 05:39:42,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:42,032 INFO L225 Difference]: With dead ends: 313 [2024-11-14 05:39:42,032 INFO L226 Difference]: Without dead ends: 312 [2024-11-14 05:39:42,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:42,033 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 115 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:42,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 288 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:39:42,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-14 05:39:42,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 287. [2024-11-14 05:39:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.6714285714285715) internal successors, (351), 265 states have internal predecessors, (351), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 387 transitions. [2024-11-14 05:39:42,052 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 387 transitions. Word has length 27 [2024-11-14 05:39:42,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:42,052 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 387 transitions. [2024-11-14 05:39:42,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (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) [2024-11-14 05:39:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 387 transitions. [2024-11-14 05:39:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-14 05:39:42,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:42,053 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] [2024-11-14 05:39:42,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 05:39:42,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-14 05:39:42,254 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:42,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash 420620265, now seen corresponding path program 1 times [2024-11-14 05:39:42,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:42,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555415050] [2024-11-14 05:39:42,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:42,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:42,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944615243] [2024-11-14 05:39:42,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:42,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:42,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:42,282 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:42,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 05:39:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:42,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:39:42,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:42,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:42,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:42,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555415050] [2024-11-14 05:39:42,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:42,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944615243] [2024-11-14 05:39:42,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944615243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:42,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:42,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:42,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562660103] [2024-11-14 05:39:42,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:42,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:42,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:42,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:42,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:42,490 INFO L87 Difference]: Start difference. First operand 287 states and 387 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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) [2024-11-14 05:39:42,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:42,778 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2024-11-14 05:39:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:42,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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 [2024-11-14 05:39:42,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:42,782 INFO L225 Difference]: With dead ends: 314 [2024-11-14 05:39:42,782 INFO L226 Difference]: Without dead ends: 313 [2024-11-14 05:39:42,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:42,783 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 114 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:42,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 290 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:39:42,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-14 05:39:42,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 287. [2024-11-14 05:39:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.661904761904762) internal successors, (349), 265 states have internal predecessors, (349), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 385 transitions. [2024-11-14 05:39:42,807 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 385 transitions. Word has length 28 [2024-11-14 05:39:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:42,807 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 385 transitions. [2024-11-14 05:39:42,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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) [2024-11-14 05:39:42,808 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 385 transitions. [2024-11-14 05:39:42,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-14 05:39:42,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:42,808 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:42,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 05:39:43,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-14 05:39:43,009 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:43,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:43,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1722058196, now seen corresponding path program 1 times [2024-11-14 05:39:43,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:43,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632179820] [2024-11-14 05:39:43,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:43,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:43,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:43,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632179820] [2024-11-14 05:39:43,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632179820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:39:43,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221163801] [2024-11-14 05:39:43,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:43,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:43,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:43,161 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:43,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 05:39:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:43,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:39:43,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:43,341 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:43,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221163801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:43,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:39:43,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-14 05:39:43,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097343869] [2024-11-14 05:39:43,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:43,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:39:43,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:43,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:39:43,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:39:43,343 INFO L87 Difference]: Start difference. First operand 287 states and 385 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-11-14 05:39:43,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:43,508 INFO L93 Difference]: Finished difference Result 339 states and 435 transitions. [2024-11-14 05:39:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 05:39:43,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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 29 [2024-11-14 05:39:43,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:43,512 INFO L225 Difference]: With dead ends: 339 [2024-11-14 05:39:43,512 INFO L226 Difference]: Without dead ends: 337 [2024-11-14 05:39:43,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-14 05:39:43,514 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 138 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:43,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 505 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:39:43,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-14 05:39:43,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 291. [2024-11-14 05:39:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 214 states have (on average 1.6542056074766356) internal successors, (354), 269 states have internal predecessors, (354), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 390 transitions. [2024-11-14 05:39:43,541 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 390 transitions. Word has length 29 [2024-11-14 05:39:43,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:43,541 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 390 transitions. [2024-11-14 05:39:43,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-11-14 05:39:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 390 transitions. [2024-11-14 05:39:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 05:39:43,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:43,544 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:43,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 05:39:43,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:43,745 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:43,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:43,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1844196481, now seen corresponding path program 1 times [2024-11-14 05:39:43,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:43,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942861093] [2024-11-14 05:39:43,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:43,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:43,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:43,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942861093] [2024-11-14 05:39:43,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942861093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:39:43,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87378483] [2024-11-14 05:39:43,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:43,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:43,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:43,891 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:43,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 05:39:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:43,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:39:43,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:44,071 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:44,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87378483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:44,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:39:44,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-14 05:39:44,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703201990] [2024-11-14 05:39:44,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:44,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:39:44,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:44,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:39:44,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:39:44,073 INFO L87 Difference]: Start difference. First operand 291 states and 390 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 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) [2024-11-14 05:39:44,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:44,272 INFO L93 Difference]: Finished difference Result 332 states and 426 transitions. [2024-11-14 05:39:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 05:39:44,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 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 30 [2024-11-14 05:39:44,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:44,274 INFO L225 Difference]: With dead ends: 332 [2024-11-14 05:39:44,274 INFO L226 Difference]: Without dead ends: 330 [2024-11-14 05:39:44,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-14 05:39:44,278 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 90 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:44,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 749 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:39:44,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-14 05:39:44,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 292. [2024-11-14 05:39:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 215 states have (on average 1.6465116279069767) internal successors, (354), 270 states have internal predecessors, (354), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 390 transitions. [2024-11-14 05:39:44,307 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 390 transitions. Word has length 30 [2024-11-14 05:39:44,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:44,307 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 390 transitions. [2024-11-14 05:39:44,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 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) [2024-11-14 05:39:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 390 transitions. [2024-11-14 05:39:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 05:39:44,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:44,308 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:44,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-14 05:39:44,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:44,509 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:44,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:44,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1548676610, now seen corresponding path program 1 times [2024-11-14 05:39:44,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:44,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350417873] [2024-11-14 05:39:44,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:44,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:44,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350417873] [2024-11-14 05:39:44,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350417873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:39:44,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287954599] [2024-11-14 05:39:44,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:44,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:44,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:44,680 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:44,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-14 05:39:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:44,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 05:39:44,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:44,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:39:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:44,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287954599] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:39:44,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [545572487] [2024-11-14 05:39:44,991 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2024-11-14 05:39:44,991 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:39:44,994 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:39:44,999 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:39:45,000 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:39:46,931 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-14 05:39:46,959 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:39:52,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [545572487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:52,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:39:52,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [9, 7, 8] total 31 [2024-11-14 05:39:52,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656056944] [2024-11-14 05:39:52,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:52,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 05:39:52,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:52,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 05:39:52,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2024-11-14 05:39:52,822 INFO L87 Difference]: Start difference. First operand 292 states and 390 transitions. Second operand has 18 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:39:55,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:55,843 INFO L93 Difference]: Finished difference Result 494 states and 644 transitions. [2024-11-14 05:39:55,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-14 05:39:55,844 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2024-11-14 05:39:55,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:55,846 INFO L225 Difference]: With dead ends: 494 [2024-11-14 05:39:55,846 INFO L226 Difference]: Without dead ends: 316 [2024-11-14 05:39:55,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 67 SyntacticMatches, 7 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2024-11-14 05:39:55,848 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 11 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:55,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 644 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-14 05:39:55,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-14 05:39:55,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 302. [2024-11-14 05:39:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.6222222222222222) internal successors, (365), 280 states have internal predecessors, (365), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:55,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2024-11-14 05:39:55,875 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 32 [2024-11-14 05:39:55,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:55,876 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2024-11-14 05:39:55,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:39:55,876 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2024-11-14 05:39:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-14 05:39:55,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:55,877 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, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:55,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-14 05:39:56,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:56,077 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:56,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:56,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1475137781, now seen corresponding path program 1 times [2024-11-14 05:39:56,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:56,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91372694] [2024-11-14 05:39:56,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:56,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:56,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479203852] [2024-11-14 05:39:56,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:56,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:56,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:56,102 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:56,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-14 05:39:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:56,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:39:56,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:56,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:56,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:56,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91372694] [2024-11-14 05:39:56,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:56,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479203852] [2024-11-14 05:39:56,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479203852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:56,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:56,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:56,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004548977] [2024-11-14 05:39:56,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:56,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:56,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:56,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:56,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:56,300 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 05:39:56,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:56,928 INFO L93 Difference]: Finished difference Result 331 states and 412 transitions. [2024-11-14 05:39:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:56,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2024-11-14 05:39:56,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:56,931 INFO L225 Difference]: With dead ends: 331 [2024-11-14 05:39:56,931 INFO L226 Difference]: Without dead ends: 330 [2024-11-14 05:39:56,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:56,933 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 163 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:56,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 216 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 05:39:56,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-14 05:39:56,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 302. [2024-11-14 05:39:56,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.6133333333333333) internal successors, (363), 280 states have internal predecessors, (363), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 399 transitions. [2024-11-14 05:39:56,960 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 399 transitions. Word has length 34 [2024-11-14 05:39:56,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:56,960 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 399 transitions. [2024-11-14 05:39:56,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 05:39:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 399 transitions. [2024-11-14 05:39:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 05:39:56,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:56,961 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:56,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-14 05:39:57,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:57,166 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:57,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:57,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1515368940, now seen corresponding path program 1 times [2024-11-14 05:39:57,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:57,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844583802] [2024-11-14 05:39:57,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:57,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:57,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532607350] [2024-11-14 05:39:57,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:57,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:57,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:57,200 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:57,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-14 05:39:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:57,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:39:57,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:57,395 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:57,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:57,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844583802] [2024-11-14 05:39:57,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:57,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532607350] [2024-11-14 05:39:57,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532607350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:57,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:57,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:57,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615732933] [2024-11-14 05:39:57,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:57,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:57,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:57,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:57,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:57,398 INFO L87 Difference]: Start difference. First operand 302 states and 399 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 05:39:57,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:57,825 INFO L93 Difference]: Finished difference Result 331 states and 410 transitions. [2024-11-14 05:39:57,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:57,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-14 05:39:57,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:57,827 INFO L225 Difference]: With dead ends: 331 [2024-11-14 05:39:57,827 INFO L226 Difference]: Without dead ends: 330 [2024-11-14 05:39:57,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:57,828 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 162 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:57,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 216 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:39:57,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-14 05:39:57,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 302. [2024-11-14 05:39:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.6044444444444443) internal successors, (361), 280 states have internal predecessors, (361), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 397 transitions. [2024-11-14 05:39:57,856 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 397 transitions. Word has length 35 [2024-11-14 05:39:57,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:57,856 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 397 transitions. [2024-11-14 05:39:57,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 05:39:57,857 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 397 transitions. [2024-11-14 05:39:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-14 05:39:57,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:57,857 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:57,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-14 05:39:58,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:58,058 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:58,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:58,059 INFO L85 PathProgramCache]: Analyzing trace with hash 268203223, now seen corresponding path program 1 times [2024-11-14 05:39:58,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:58,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046979715] [2024-11-14 05:39:58,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:58,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:58,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971111391] [2024-11-14 05:39:58,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:58,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:58,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:58,079 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:58,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-14 05:39:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:58,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:39:58,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:58,224 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:58,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:58,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046979715] [2024-11-14 05:39:58,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:58,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971111391] [2024-11-14 05:39:58,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971111391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:58,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:58,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:58,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613142591] [2024-11-14 05:39:58,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:58,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:58,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:58,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:58,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:58,228 INFO L87 Difference]: Start difference. First operand 302 states and 397 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 05:39:59,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:59,201 INFO L93 Difference]: Finished difference Result 336 states and 413 transitions. [2024-11-14 05:39:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:59,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2024-11-14 05:39:59,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:59,204 INFO L225 Difference]: With dead ends: 336 [2024-11-14 05:39:59,204 INFO L226 Difference]: Without dead ends: 335 [2024-11-14 05:39:59,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:59,205 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 67 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:59,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 344 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 05:39:59,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-14 05:39:59,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 302. [2024-11-14 05:39:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.5955555555555556) internal successors, (359), 280 states have internal predecessors, (359), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:39:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 395 transitions. [2024-11-14 05:39:59,227 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 395 transitions. Word has length 36 [2024-11-14 05:39:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:59,228 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 395 transitions. [2024-11-14 05:39:59,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 05:39:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2024-11-14 05:39:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-14 05:39:59,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:59,229 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:59,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-14 05:39:59,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:59,430 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:39:59,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:59,430 INFO L85 PathProgramCache]: Analyzing trace with hash -275634570, now seen corresponding path program 1 times [2024-11-14 05:39:59,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:59,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316726831] [2024-11-14 05:39:59,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:59,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:39:59,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2115515374] [2024-11-14 05:39:59,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:59,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:59,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:59,465 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:59,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-14 05:39:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:59,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:39:59,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:39:59,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:39:59,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:39:59,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:59,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316726831] [2024-11-14 05:39:59,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:39:59,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115515374] [2024-11-14 05:39:59,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115515374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:59,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:59,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:39:59,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756335078] [2024-11-14 05:39:59,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:59,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:59,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:59,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:59,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:59,645 INFO L87 Difference]: Start difference. First operand 302 states and 395 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 05:40:00,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:00,869 INFO L93 Difference]: Finished difference Result 337 states and 412 transitions. [2024-11-14 05:40:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:40:00,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2024-11-14 05:40:00,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:00,873 INFO L225 Difference]: With dead ends: 337 [2024-11-14 05:40:00,873 INFO L226 Difference]: Without dead ends: 336 [2024-11-14 05:40:00,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:40:00,874 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 67 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:00,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 346 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-14 05:40:00,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-14 05:40:00,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 302. [2024-11-14 05:40:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 225 states have (on average 1.5866666666666667) internal successors, (357), 280 states have internal predecessors, (357), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:40:00,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 393 transitions. [2024-11-14 05:40:00,907 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 393 transitions. Word has length 37 [2024-11-14 05:40:00,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:00,907 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 393 transitions. [2024-11-14 05:40:00,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-14 05:40:00,908 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 393 transitions. [2024-11-14 05:40:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-14 05:40:00,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:00,912 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:00,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-14 05:40:01,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-14 05:40:01,113 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:01,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:01,115 INFO L85 PathProgramCache]: Analyzing trace with hash -28403202, now seen corresponding path program 1 times [2024-11-14 05:40:01,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:01,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714478054] [2024-11-14 05:40:01,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:01,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:01,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:01,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714478054] [2024-11-14 05:40:01,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714478054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:40:01,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303377708] [2024-11-14 05:40:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:01,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:01,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:01,355 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:40:01,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-14 05:40:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:01,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:40:01,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:01,583 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:40:01,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303377708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:01,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:40:01,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-14 05:40:01,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509479766] [2024-11-14 05:40:01,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:01,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 05:40:01,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:01,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 05:40:01,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-14 05:40:01,586 INFO L87 Difference]: Start difference. First operand 302 states and 393 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 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) [2024-11-14 05:40:01,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:01,756 INFO L93 Difference]: Finished difference Result 302 states and 393 transitions. [2024-11-14 05:40:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 05:40:01,757 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 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 39 [2024-11-14 05:40:01,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:01,759 INFO L225 Difference]: With dead ends: 302 [2024-11-14 05:40:01,759 INFO L226 Difference]: Without dead ends: 299 [2024-11-14 05:40:01,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2024-11-14 05:40:01,760 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 170 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:01,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 624 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:40:01,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-14 05:40:01,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-14 05:40:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 225 states have (on average 1.568888888888889) internal successors, (353), 277 states have internal predecessors, (353), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:40:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 389 transitions. [2024-11-14 05:40:01,790 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 389 transitions. Word has length 39 [2024-11-14 05:40:01,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:01,790 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 389 transitions. [2024-11-14 05:40:01,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 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) [2024-11-14 05:40:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 389 transitions. [2024-11-14 05:40:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-14 05:40:01,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:01,791 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:40:01,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-14 05:40:01,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-14 05:40:01,995 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:01,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:01,996 INFO L85 PathProgramCache]: Analyzing trace with hash -880499183, now seen corresponding path program 1 times [2024-11-14 05:40:01,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:01,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363226996] [2024-11-14 05:40:01,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:01,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:02,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:02,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363226996] [2024-11-14 05:40:02,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363226996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:40:02,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390300594] [2024-11-14 05:40:02,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:02,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:02,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:02,204 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:40:02,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-14 05:40:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:02,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:40:02,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:02,488 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:40:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:02,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390300594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:40:02,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [175261210] [2024-11-14 05:40:02,766 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-14 05:40:02,766 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:40:02,767 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:40:02,767 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:40:02,767 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:40:03,856 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-14 05:40:03,875 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:40:09,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [175261210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:09,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:40:09,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [12, 10, 10] total 48 [2024-11-14 05:40:09,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183091934] [2024-11-14 05:40:09,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:09,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-14 05:40:09,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:09,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-14 05:40:09,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=473, Invalid=1879, Unknown=0, NotChecked=0, Total=2352 [2024-11-14 05:40:09,534 INFO L87 Difference]: Start difference. First operand 299 states and 389 transitions. Second operand has 20 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:40:13,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:13,266 INFO L93 Difference]: Finished difference Result 303 states and 393 transitions. [2024-11-14 05:40:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-14 05:40:13,267 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-11-14 05:40:13,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:13,269 INFO L225 Difference]: With dead ends: 303 [2024-11-14 05:40:13,269 INFO L226 Difference]: Without dead ends: 302 [2024-11-14 05:40:13,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1424 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=554, Invalid=2202, Unknown=0, NotChecked=0, Total=2756 [2024-11-14 05:40:13,271 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 9 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:13,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 600 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-14 05:40:13,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-14 05:40:13,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-14 05:40:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 228 states have (on average 1.5614035087719298) internal successors, (356), 280 states have internal predecessors, (356), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:40:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 392 transitions. [2024-11-14 05:40:13,300 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 392 transitions. Word has length 40 [2024-11-14 05:40:13,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:13,300 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 392 transitions. [2024-11-14 05:40:13,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:40:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 392 transitions. [2024-11-14 05:40:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-14 05:40:13,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:13,301 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:13,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-14 05:40:13,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-14 05:40:13,506 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:13,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:13,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1473266133, now seen corresponding path program 1 times [2024-11-14 05:40:13,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:13,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131689389] [2024-11-14 05:40:13,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:13,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 05:40:13,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:13,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131689389] [2024-11-14 05:40:13,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131689389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:40:13,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753739896] [2024-11-14 05:40:13,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:13,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:13,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:13,740 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:40:13,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-14 05:40:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:13,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:40:13,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:40:13,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:40:13,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753739896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:13,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:40:13,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-14 05:40:13,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288649276] [2024-11-14 05:40:13,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:13,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:40:13,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:13,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:40:13,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-14 05:40:13,982 INFO L87 Difference]: Start difference. First operand 302 states and 392 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 05:40:14,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:14,663 INFO L93 Difference]: Finished difference Result 333 states and 397 transitions. [2024-11-14 05:40:14,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:40:14,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-14 05:40:14,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:14,666 INFO L225 Difference]: With dead ends: 333 [2024-11-14 05:40:14,666 INFO L226 Difference]: Without dead ends: 332 [2024-11-14 05:40:14,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:40:14,667 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 294 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:14,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 305 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 05:40:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-14 05:40:14,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 302. [2024-11-14 05:40:14,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 228 states have (on average 1.5570175438596492) internal successors, (355), 280 states have internal predecessors, (355), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:40:14,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 391 transitions. [2024-11-14 05:40:14,695 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 391 transitions. Word has length 43 [2024-11-14 05:40:14,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:14,696 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 391 transitions. [2024-11-14 05:40:14,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 05:40:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 391 transitions. [2024-11-14 05:40:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-14 05:40:14,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:14,697 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:40:14,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-14 05:40:14,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-14 05:40:14,897 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:14,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:14,898 INFO L85 PathProgramCache]: Analyzing trace with hash -51154863, now seen corresponding path program 1 times [2024-11-14 05:40:14,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:14,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197082632] [2024-11-14 05:40:14,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:14,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:15,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:15,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:15,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197082632] [2024-11-14 05:40:15,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197082632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:40:15,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168405304] [2024-11-14 05:40:15,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:15,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:15,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:15,092 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:40:15,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-14 05:40:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:15,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:40:15,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:15,268 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:15,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:40:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:15,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168405304] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:40:15,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1758953462] [2024-11-14 05:40:15,436 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-14 05:40:15,436 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:40:15,437 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:40:15,437 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:40:15,437 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:40:16,438 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-14 05:40:16,454 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:40:22,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1758953462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:22,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:40:22,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [13, 11, 12] total 34 [2024-11-14 05:40:22,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135471278] [2024-11-14 05:40:22,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:22,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-14 05:40:22,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:22,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-14 05:40:22,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=956, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 05:40:22,070 INFO L87 Difference]: Start difference. First operand 302 states and 391 transitions. Second operand has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:40:25,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:25,464 INFO L93 Difference]: Finished difference Result 478 states and 611 transitions. [2024-11-14 05:40:25,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 05:40:25,466 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-14 05:40:25,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:25,468 INFO L225 Difference]: With dead ends: 478 [2024-11-14 05:40:25,468 INFO L226 Difference]: Without dead ends: 303 [2024-11-14 05:40:25,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 88 SyntacticMatches, 17 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=209, Invalid=1197, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 05:40:25,469 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 6 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:25,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 719 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-14 05:40:25,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-14 05:40:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2024-11-14 05:40:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 229 states have (on average 1.554585152838428) internal successors, (356), 281 states have internal predecessors, (356), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:40:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 392 transitions. [2024-11-14 05:40:25,497 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 392 transitions. Word has length 42 [2024-11-14 05:40:25,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:25,498 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 392 transitions. [2024-11-14 05:40:25,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:40:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 392 transitions. [2024-11-14 05:40:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-14 05:40:25,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:25,499 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:40:25,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-14 05:40:25,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-14 05:40:25,699 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:25,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:25,700 INFO L85 PathProgramCache]: Analyzing trace with hash -51154861, now seen corresponding path program 1 times [2024-11-14 05:40:25,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:25,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161500623] [2024-11-14 05:40:25,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:25,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:40:25,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318711133] [2024-11-14 05:40:25,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:25,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:25,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:25,732 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:40:25,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-14 05:40:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:25,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 05:40:25,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 05:40:26,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:40:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 05:40:26,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:26,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161500623] [2024-11-14 05:40:26,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:40:26,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318711133] [2024-11-14 05:40:26,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318711133] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:40:26,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1145547639] [2024-11-14 05:40:26,335 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-14 05:40:26,335 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:40:26,336 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:40:26,336 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:40:26,336 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:40:27,215 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-14 05:40:27,225 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:40:32,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1145547639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:32,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 05:40:32,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [6, 5] total 29 [2024-11-14 05:40:32,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946227188] [2024-11-14 05:40:32,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:32,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-14 05:40:32,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:32,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-14 05:40:32,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2024-11-14 05:40:32,198 INFO L87 Difference]: Start difference. First operand 303 states and 392 transitions. Second operand has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:40:36,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:36,001 INFO L93 Difference]: Finished difference Result 383 states and 491 transitions. [2024-11-14 05:40:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-14 05:40:36,001 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-14 05:40:36,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:36,004 INFO L225 Difference]: With dead ends: 383 [2024-11-14 05:40:36,004 INFO L226 Difference]: Without dead ends: 361 [2024-11-14 05:40:36,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 89 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=212, Invalid=910, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 05:40:36,005 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 33 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:36,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 355 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1754 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-14 05:40:36,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-14 05:40:36,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2024-11-14 05:40:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 279 states have (on average 1.4623655913978495) internal successors, (408), 331 states have internal predecessors, (408), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 05:40:36,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 460 transitions. [2024-11-14 05:40:36,041 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 460 transitions. Word has length 42 [2024-11-14 05:40:36,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:36,041 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 460 transitions. [2024-11-14 05:40:36,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 05:40:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 460 transitions. [2024-11-14 05:40:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 05:40:36,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:36,043 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:36,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-14 05:40:36,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:36,247 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:36,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:36,247 INFO L85 PathProgramCache]: Analyzing trace with hash -436307296, now seen corresponding path program 1 times [2024-11-14 05:40:36,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:36,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244132502] [2024-11-14 05:40:36,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:36,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:40:36,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:36,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244132502] [2024-11-14 05:40:36,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244132502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:36,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:40:36,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:40:36,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601465726] [2024-11-14 05:40:36,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:36,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:40:36,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:36,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:40:36,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:40:36,327 INFO L87 Difference]: Start difference. First operand 361 states and 460 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-14 05:40:36,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:36,625 INFO L93 Difference]: Finished difference Result 450 states and 546 transitions. [2024-11-14 05:40:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:40:36,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 58 [2024-11-14 05:40:36,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:36,628 INFO L225 Difference]: With dead ends: 450 [2024-11-14 05:40:36,628 INFO L226 Difference]: Without dead ends: 446 [2024-11-14 05:40:36,628 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 [2024-11-14 05:40:36,629 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 104 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:36,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 282 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:40:36,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-14 05:40:36,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 396. [2024-11-14 05:40:36,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 310 states have (on average 1.4903225806451612) internal successors, (462), 362 states have internal predecessors, (462), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 05:40:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 522 transitions. [2024-11-14 05:40:36,665 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 522 transitions. Word has length 58 [2024-11-14 05:40:36,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:36,666 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 522 transitions. [2024-11-14 05:40:36,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-14 05:40:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 522 transitions. [2024-11-14 05:40:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 05:40:36,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:36,667 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:36,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-14 05:40:36,667 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:36,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:36,669 INFO L85 PathProgramCache]: Analyzing trace with hash -436258637, now seen corresponding path program 1 times [2024-11-14 05:40:36,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:36,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282794900] [2024-11-14 05:40:36,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:36,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:40:36,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:36,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282794900] [2024-11-14 05:40:36,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282794900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:36,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:40:36,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:40:36,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065089687] [2024-11-14 05:40:36,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:36,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:40:36,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:36,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:40:36,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:40:36,732 INFO L87 Difference]: Start difference. First operand 396 states and 522 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-14 05:40:36,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:36,807 INFO L93 Difference]: Finished difference Result 402 states and 534 transitions. [2024-11-14 05:40:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:40:36,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2024-11-14 05:40:36,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:36,809 INFO L225 Difference]: With dead ends: 402 [2024-11-14 05:40:36,809 INFO L226 Difference]: Without dead ends: 401 [2024-11-14 05:40:36,809 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 [2024-11-14 05:40:36,810 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 5 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:36,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 244 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:40:36,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-14 05:40:36,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2024-11-14 05:40:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 310 states have (on average 1.4774193548387098) internal successors, (458), 361 states have internal predecessors, (458), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 05:40:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2024-11-14 05:40:36,849 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 58 [2024-11-14 05:40:36,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:36,850 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2024-11-14 05:40:36,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-14 05:40:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2024-11-14 05:40:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-14 05:40:36,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:36,854 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:36,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-14 05:40:36,854 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:36,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:36,855 INFO L85 PathProgramCache]: Analyzing trace with hash -639115718, now seen corresponding path program 1 times [2024-11-14 05:40:36,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:36,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807145922] [2024-11-14 05:40:36,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:36,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:40:36,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:36,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807145922] [2024-11-14 05:40:36,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807145922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:36,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:40:36,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:40:36,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101605258] [2024-11-14 05:40:36,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:36,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:40:36,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:36,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:40:36,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:40:36,896 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-14 05:40:36,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:36,964 INFO L93 Difference]: Finished difference Result 401 states and 530 transitions. [2024-11-14 05:40:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:40:36,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 59 [2024-11-14 05:40:36,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:36,966 INFO L225 Difference]: With dead ends: 401 [2024-11-14 05:40:36,966 INFO L226 Difference]: Without dead ends: 400 [2024-11-14 05:40:36,966 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 [2024-11-14 05:40:36,967 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 4 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:36,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 246 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:40:36,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-14 05:40:36,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 394. [2024-11-14 05:40:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 310 states have (on average 1.4645161290322581) internal successors, (454), 360 states have internal predecessors, (454), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 05:40:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 514 transitions. [2024-11-14 05:40:37,000 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 514 transitions. Word has length 59 [2024-11-14 05:40:37,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:37,000 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 514 transitions. [2024-11-14 05:40:37,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-14 05:40:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 514 transitions. [2024-11-14 05:40:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 05:40:37,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:37,001 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:37,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-14 05:40:37,002 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:37,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:37,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2001084515, now seen corresponding path program 1 times [2024-11-14 05:40:37,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:37,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440115206] [2024-11-14 05:40:37,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:37,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:40:37,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:37,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440115206] [2024-11-14 05:40:37,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440115206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:40:37,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280878955] [2024-11-14 05:40:37,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:37,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:37,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:37,176 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:40:37,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-14 05:40:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:37,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:40:37,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:40:37,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:40:37,611 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:40:37,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280878955] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:40:37,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [195534110] [2024-11-14 05:40:37,613 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2024-11-14 05:40:37,613 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:40:37,613 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:40:37,613 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:40:37,614 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:40:40,157 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 46 for LOIs [2024-11-14 05:40:40,164 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-14 05:40:40,179 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:40:52,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [195534110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:52,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:40:52,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [10, 8, 8] total 66 [2024-11-14 05:40:52,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760400039] [2024-11-14 05:40:52,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:52,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-14 05:40:52,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:52,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-14 05:40:52,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=896, Invalid=3526, Unknown=0, NotChecked=0, Total=4422 [2024-11-14 05:40:52,600 INFO L87 Difference]: Start difference. First operand 394 states and 514 transitions. Second operand has 44 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:40:57,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:57,469 INFO L93 Difference]: Finished difference Result 696 states and 906 transitions. [2024-11-14 05:40:57,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 05:40:57,470 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 62 [2024-11-14 05:40:57,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:57,471 INFO L225 Difference]: With dead ends: 696 [2024-11-14 05:40:57,471 INFO L226 Difference]: Without dead ends: 480 [2024-11-14 05:40:57,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2134 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=972, Invalid=3858, Unknown=0, NotChecked=0, Total=4830 [2024-11-14 05:40:57,472 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 59 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 1681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:57,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 908 Invalid, 1681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1667 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-14 05:40:57,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-14 05:40:57,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 432. [2024-11-14 05:40:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 343 states have (on average 1.4402332361516035) internal successors, (494), 393 states have internal predecessors, (494), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-14 05:40:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 562 transitions. [2024-11-14 05:40:57,517 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 562 transitions. Word has length 62 [2024-11-14 05:40:57,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:57,517 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 562 transitions. [2024-11-14 05:40:57,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:40:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 562 transitions. [2024-11-14 05:40:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 05:40:57,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:57,519 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:57,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-14 05:40:57,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:57,719 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:40:57,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:57,720 INFO L85 PathProgramCache]: Analyzing trace with hash -306257229, now seen corresponding path program 1 times [2024-11-14 05:40:57,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:57,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579973810] [2024-11-14 05:40:57,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:57,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:40:57,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:57,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579973810] [2024-11-14 05:40:57,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579973810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:40:57,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011382016] [2024-11-14 05:40:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:57,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:57,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:57,899 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:40:57,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-14 05:40:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:57,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:40:57,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:58,145 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:40:58,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:40:58,380 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:40:58,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011382016] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:40:58,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [894655243] [2024-11-14 05:40:58,382 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2024-11-14 05:40:58,382 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:40:58,383 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:40:58,383 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:40:58,383 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:41:06,414 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2024-11-14 05:41:06,416 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-14 05:41:06,425 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:41:17,637 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '26344#(and (<= 2 |ULTIMATE.start_main_~x~0#1|) (<= 2 |ULTIMATE.start_main_~c~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~a~0#1| 2147483647) (= (mod |ULTIMATE.start_main_~v~0#1| 2) 0) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 4294967294 (div (* (- 1) |ULTIMATE.start_main_~v~0#1|) 2))) (<= |ULTIMATE.start_main_~c~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~b~0#1|) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= (+ (div (* (- 1) |ULTIMATE.start_main_~v~0#1|) 2) 1) 0) (<= 2147483647 ~counter~0) (= |ULTIMATE.start_main_~k~0#1| 0) (<= |ULTIMATE.start_main_~b~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= 2 |ULTIMATE.start_main_~a~0#1|) (= |ULTIMATE.start_main_~s~0#1| 1))' at error location [2024-11-14 05:41:17,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 05:41:17,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:41:17,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-14 05:41:17,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151542312] [2024-11-14 05:41:17,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:41:17,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-14 05:41:17,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:41:17,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-14 05:41:17,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=491, Invalid=2479, Unknown=0, NotChecked=0, Total=2970 [2024-11-14 05:41:17,641 INFO L87 Difference]: Start difference. First operand 432 states and 562 transitions. Second operand has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-14 05:41:18,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:41:18,605 INFO L93 Difference]: Finished difference Result 1377 states and 1752 transitions. [2024-11-14 05:41:18,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-14 05:41:18,606 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 62 [2024-11-14 05:41:18,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:41:18,611 INFO L225 Difference]: With dead ends: 1377 [2024-11-14 05:41:18,611 INFO L226 Difference]: Without dead ends: 1117 [2024-11-14 05:41:18,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 123 SyntacticMatches, 18 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3091 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=894, Invalid=5426, Unknown=0, NotChecked=0, Total=6320 [2024-11-14 05:41:18,614 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 566 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:41:18,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 2245 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:41:18,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-11-14 05:41:18,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 905. [2024-11-14 05:41:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 758 states have (on average 1.4234828496042216) internal successors, (1079), 808 states have internal predecessors, (1079), 82 states have call successors, (82), 14 states have call predecessors, (82), 14 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-14 05:41:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1243 transitions. [2024-11-14 05:41:18,716 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1243 transitions. Word has length 62 [2024-11-14 05:41:18,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:41:18,716 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1243 transitions. [2024-11-14 05:41:18,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-14 05:41:18,716 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1243 transitions. [2024-11-14 05:41:18,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-14 05:41:18,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:41:18,717 INFO L215 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:41:18,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-14 05:41:18,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:41:18,919 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:41:18,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:41:18,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1618127749, now seen corresponding path program 1 times [2024-11-14 05:41:18,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:41:18,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057496416] [2024-11-14 05:41:18,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:41:18,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:41:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:41:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:41:19,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:41:19,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057496416] [2024-11-14 05:41:19,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057496416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:41:19,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376622433] [2024-11-14 05:41:19,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:41:19,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:41:19,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:41:19,143 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:41:19,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-14 05:41:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:41:19,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:41:19,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:41:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:41:19,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:41:19,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376622433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:41:19,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:41:19,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2024-11-14 05:41:19,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238721269] [2024-11-14 05:41:19,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:41:19,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:41:19,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:41:19,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:41:19,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 05:41:19,344 INFO L87 Difference]: Start difference. First operand 905 states and 1243 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-11-14 05:41:19,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:41:19,578 INFO L93 Difference]: Finished difference Result 1533 states and 2156 transitions. [2024-11-14 05:41:19,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:41:19,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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 69 [2024-11-14 05:41:19,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:41:19,581 INFO L225 Difference]: With dead ends: 1533 [2024-11-14 05:41:19,581 INFO L226 Difference]: Without dead ends: 950 [2024-11-14 05:41:19,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-14 05:41:19,583 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 25 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:41:19,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 450 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:41:19,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-14 05:41:19,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 906. [2024-11-14 05:41:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 762 states have (on average 1.4750656167979002) internal successors, (1124), 812 states have internal predecessors, (1124), 82 states have call successors, (82), 11 states have call predecessors, (82), 11 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-14 05:41:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1288 transitions. [2024-11-14 05:41:19,673 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1288 transitions. Word has length 69 [2024-11-14 05:41:19,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:41:19,673 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1288 transitions. [2024-11-14 05:41:19,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-11-14 05:41:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1288 transitions. [2024-11-14 05:41:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-14 05:41:19,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:41:19,675 INFO L215 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:41:19,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-14 05:41:19,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-14 05:41:19,875 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:41:19,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:41:19,877 INFO L85 PathProgramCache]: Analyzing trace with hash -756397588, now seen corresponding path program 1 times [2024-11-14 05:41:19,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:41:19,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819938088] [2024-11-14 05:41:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:41:19,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:41:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:41:19,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1904539796] [2024-11-14 05:41:19,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:41:19,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:41:19,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:41:19,914 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:41:19,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-14 05:41:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:41:19,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:41:19,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:41:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:41:20,275 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:41:20,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:41:20,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819938088] [2024-11-14 05:41:20,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:41:20,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904539796] [2024-11-14 05:41:20,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904539796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:41:20,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:41:20,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:41:20,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912869364] [2024-11-14 05:41:20,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:41:20,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:41:20,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:41:20,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:41:20,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:41:20,277 INFO L87 Difference]: Start difference. First operand 906 states and 1288 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 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) [2024-11-14 05:41:20,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:41:20,716 INFO L93 Difference]: Finished difference Result 949 states and 1315 transitions. [2024-11-14 05:41:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:41:20,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 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 70 [2024-11-14 05:41:20,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:41:20,727 INFO L225 Difference]: With dead ends: 949 [2024-11-14 05:41:20,727 INFO L226 Difference]: Without dead ends: 946 [2024-11-14 05:41:20,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:41:20,733 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 90 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:41:20,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 401 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:41:20,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-11-14 05:41:20,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 906. [2024-11-14 05:41:20,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 762 states have (on average 1.4553805774278215) internal successors, (1109), 812 states have internal predecessors, (1109), 82 states have call successors, (82), 11 states have call predecessors, (82), 11 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-14 05:41:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1273 transitions. [2024-11-14 05:41:20,888 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1273 transitions. Word has length 70 [2024-11-14 05:41:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:41:20,888 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1273 transitions. [2024-11-14 05:41:20,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 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) [2024-11-14 05:41:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1273 transitions. [2024-11-14 05:41:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 05:41:20,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:41:20,892 INFO L215 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:41:20,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-14 05:41:21,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-14 05:41:21,097 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:41:21,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:41:21,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1973488580, now seen corresponding path program 1 times [2024-11-14 05:41:21,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:41:21,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300181738] [2024-11-14 05:41:21,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:41:21,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:41:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:41:21,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [601769785] [2024-11-14 05:41:21,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:41:21,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:41:21,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:41:21,123 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:41:21,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-14 05:41:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:41:21,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:41:21,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:41:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:41:21,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:41:22,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:41:22,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300181738] [2024-11-14 05:41:22,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:41:22,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601769785] [2024-11-14 05:41:22,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601769785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:41:22,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [251113390] [2024-11-14 05:41:22,220 INFO L159 IcfgInterpreter]: Started Sifa with 59 locations of interest [2024-11-14 05:41:22,220 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:41:22,221 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:41:22,221 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:41:22,221 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:41:24,165 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 41 for LOIs [2024-11-14 05:41:24,171 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-14 05:41:24,181 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:41:31,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [251113390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:41:31,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:41:31,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [5] total 33 [2024-11-14 05:41:31,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571102457] [2024-11-14 05:41:31,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:41:31,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-14 05:41:31,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:41:31,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-14 05:41:31,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1055, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 05:41:31,138 INFO L87 Difference]: Start difference. First operand 906 states and 1273 transitions. Second operand has 30 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:41:36,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:41:36,588 INFO L93 Difference]: Finished difference Result 927 states and 1294 transitions. [2024-11-14 05:41:36,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 05:41:36,588 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 71 [2024-11-14 05:41:36,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:41:36,592 INFO L225 Difference]: With dead ends: 927 [2024-11-14 05:41:36,592 INFO L226 Difference]: Without dead ends: 925 [2024-11-14 05:41:36,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 121 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=273, Invalid=1533, Unknown=0, NotChecked=0, Total=1806 [2024-11-14 05:41:36,594 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 54 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 2259 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:41:36,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 492 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2259 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-14 05:41:36,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-11-14 05:41:36,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 916. [2024-11-14 05:41:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 772 states have (on average 1.4494818652849741) internal successors, (1119), 822 states have internal predecessors, (1119), 82 states have call successors, (82), 11 states have call predecessors, (82), 11 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-14 05:41:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1283 transitions. [2024-11-14 05:41:36,693 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1283 transitions. Word has length 71 [2024-11-14 05:41:36,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:41:36,697 INFO L471 AbstractCegarLoop]: Abstraction has 916 states and 1283 transitions. [2024-11-14 05:41:36,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:41:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1283 transitions. [2024-11-14 05:41:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 05:41:36,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:41:36,699 INFO L215 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:41:36,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-14 05:41:36,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-14 05:41:36,900 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-14 05:41:36,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:41:36,900 INFO L85 PathProgramCache]: Analyzing trace with hash 250000459, now seen corresponding path program 1 times [2024-11-14 05:41:36,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:41:36,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044812589] [2024-11-14 05:41:36,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:41:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:41:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:41:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:41:37,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:41:37,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044812589] [2024-11-14 05:41:37,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044812589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:41:37,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245164352] [2024-11-14 05:41:37,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:41:37,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:41:37,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:41:37,159 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:41:37,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-14 05:41:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:41:37,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:41:37,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:41:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:41:37,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:41:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 05:41:37,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245164352] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:41:37,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [758762459] [2024-11-14 05:41:37,730 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2024-11-14 05:41:37,730 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:41:37,730 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:41:37,731 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:41:37,731 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:41:41,503 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 57 for LOIs [2024-11-14 05:41:41,516 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2024-11-14 05:41:41,526 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:41:58,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [758762459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:41:58,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:41:58,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [12, 10, 10] total 78 [2024-11-14 05:41:58,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269120721] [2024-11-14 05:41:58,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:41:58,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-14 05:41:58,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:41:58,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-14 05:41:58,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1025, Invalid=4981, Unknown=0, NotChecked=0, Total=6006 [2024-11-14 05:41:58,495 INFO L87 Difference]: Start difference. First operand 916 states and 1283 transitions. Second operand has 49 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 43 states have internal predecessors, (54), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:42:02,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:42:02,394 INFO L93 Difference]: Finished difference Result 920 states and 1285 transitions. [2024-11-14 05:42:02,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-14 05:42:02,398 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 43 states have internal predecessors, (54), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 76 [2024-11-14 05:42:02,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:42:02,398 INFO L225 Difference]: With dead ends: 920 [2024-11-14 05:42:02,398 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 05:42:02,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 156 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3160 ImplicationChecksByTransitivity, 18.9s TimeCoverageRelationStatistics Valid=1146, Invalid=5826, Unknown=0, NotChecked=0, Total=6972 [2024-11-14 05:42:02,401 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:42:02,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 44 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-14 05:42:02,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 05:42:02,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 05:42:02,402 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) [2024-11-14 05:42:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 05:42:02,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2024-11-14 05:42:02,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:42:02,403 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 05:42:02,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 43 states have internal predecessors, (54), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 05:42:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 05:42:02,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 05:42:02,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2024-11-14 05:42:02,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2024-11-14 05:42:02,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2024-11-14 05:42:02,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2024-11-14 05:42:02,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2024-11-14 05:42:02,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2024-11-14 05:42:02,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2024-11-14 05:42:02,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2024-11-14 05:42:02,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2024-11-14 05:42:02,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2024-11-14 05:42:02,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2024-11-14 05:42:02,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2024-11-14 05:42:02,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2024-11-14 05:42:02,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2024-11-14 05:42:02,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2024-11-14 05:42:02,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2024-11-14 05:42:02,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2024-11-14 05:42:02,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2024-11-14 05:42:02,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2024-11-14 05:42:02,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2024-11-14 05:42:02,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2024-11-14 05:42:02,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2024-11-14 05:42:02,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2024-11-14 05:42:02,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2024-11-14 05:42:02,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2024-11-14 05:42:02,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2024-11-14 05:42:02,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2024-11-14 05:42:02,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2024-11-14 05:42:02,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2024-11-14 05:42:02,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2024-11-14 05:42:02,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2024-11-14 05:42:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2024-11-14 05:42:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2024-11-14 05:42:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2024-11-14 05:42:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2024-11-14 05:42:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2024-11-14 05:42:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2024-11-14 05:42:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2024-11-14 05:42:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2024-11-14 05:42:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2024-11-14 05:42:02,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2024-11-14 05:42:02,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-14 05:42:02,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-14 05:42:02,622 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:42:02,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 05:42:05,504 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:42:05,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 05:42:05,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,519 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 05:42:05,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,520 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,521 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 05:42:05,526 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,527 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,528 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 05:42:05,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 05:42:05,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 05:42:05,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,539 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 05:42:05,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 05:42:05,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,563 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 05:42:05,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 05:42:05,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 05:42:05,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 05:42:05,567 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 05:42:05,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:42:05 BoogieIcfgContainer [2024-11-14 05:42:05,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:42:05,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:42:05,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:42:05,575 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:42:05,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:39:30" (3/4) ... [2024-11-14 05:42:05,579 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:42:05,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 05:42:05,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-14 05:42:05,592 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-14 05:42:05,593 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 05:42:05,594 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 05:42:05,594 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:42:05,725 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:42:05,725 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:42:05,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:42:05,726 INFO L158 Benchmark]: Toolchain (without parser) took 156536.83ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 92.8MB in the beginning and 755.4MB in the end (delta: -662.6MB). Peak memory consumption was 670.7MB. Max. memory is 16.1GB. [2024-11-14 05:42:05,726 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 75.5MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:42:05,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.67ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:42:05,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.34ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:42:05,727 INFO L158 Benchmark]: Boogie Preprocessor took 46.50ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.9MB in the end (delta: 800.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:42:05,728 INFO L158 Benchmark]: RCFGBuilder took 1211.79ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 55.5MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:42:05,728 INFO L158 Benchmark]: TraceAbstraction took 154677.37ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 54.8MB in the beginning and 759.8MB in the end (delta: -705.0MB). Peak memory consumption was 628.8MB. Max. memory is 16.1GB. [2024-11-14 05:42:05,728 INFO L158 Benchmark]: Witness Printer took 150.24ms. Allocated memory is still 1.5GB. Free memory was 759.8MB in the beginning and 755.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:42:05,729 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 75.5MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.67ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.34ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.50ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.9MB in the end (delta: 800.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1211.79ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 55.5MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 154677.37ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 54.8MB in the beginning and 759.8MB in the end (delta: -705.0MB). Peak memory consumption was 628.8MB. Max. memory is 16.1GB. * Witness Printer took 150.24ms. Allocated memory is still 1.5GB. Free memory was 759.8MB in the beginning and 755.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - 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: #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: #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: Expression type not yet supported in backtranslation: QuantifierExpression - 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: #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: #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: Expression type not yet supported in backtranslation: QuantifierExpression - 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: #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]]] * 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: 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 3 procedures, 137 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 151.6s, OverallIterations: 39, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 41.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3895 SdHoareTripleChecker+Valid, 32.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3798 mSDsluCounter, 18283 SdHoareTripleChecker+Invalid, 29.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13456 mSDsCounter, 185 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13804 IncrementalHoareTripleChecker+Invalid, 13989 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 185 mSolverCounterUnsat, 4827 mSDtfsCounter, 13804 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2096 GetRequests, 1444 SyntacticMatches, 68 SemanticMatches, 584 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12456 ImplicationChecksByTransitivity, 80.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=916occurred in iteration=38, InterpolantAutomatonStates: 415, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 39 MinimizatonAttempts, 1126 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 2473 NumberOfCodeBlocks, 2473 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 2224 ConstructedInterpolants, 16 QuantifiedInterpolants, 7736 SizeOfPredicates, 56 NumberOfNonLiveVariables, 3006 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 57 InterpolantComputations, 31 PerfectInterpolantSequences, 358/504 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: 13.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 17, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 331, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 662, TOOLS_POST_TIME: 8.7s, TOOLS_POST_CALL_APPLICATIONS: 102, TOOLS_POST_CALL_TIME: 1.4s, TOOLS_POST_RETURN_APPLICATIONS: 76, TOOLS_POST_RETURN_TIME: 0.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 793, TOOLS_QUANTIFIERELIM_TIME: 10.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1114, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 141, DOMAIN_JOIN_TIME: 1.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 331, DOMAIN_ISBOTTOM_TIME: 0.7s, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 10, LOOP_SUMMARIZER_OVERALL_TIME: 1.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 76, CALL_SUMMARIZER_CACHE_MISSES: 10, 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: 0.3s, DAG_COMPRESSION_PROCESSED_NODES: 23668, DAG_COMPRESSION_RETAINED_NODES: 1145, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 56 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (counter <= 2) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (((((((((((((((d == 1) && (p == 0)) && (counter == 4)) && (a == y)) && (a == c)) && (((__int128) b + 1) <= a)) && (b == x)) && (c <= 2147483647)) && (b == v)) && (1 <= b)) && (q == 1)) && (k == 0)) && (s == 0)) && (r == 1)) || ((((((((((((((d == 1) && (p == 1)) && (a == c)) && (b == y)) && (c <= 2147483647)) && (b == v)) && (1 <= b)) && (r == 0)) && (q == 0)) && (k == 0)) && (b <= c)) && (a == x)) && (counter == 2)) && (s == 1))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((((((a == c) && (x <= 2147483647)) && (1 <= b)) && (k == 0)) && (y <= 2147483647)) && ((counter == 3) || (((b == y) && (a == x)) && (s == 1)))) && ((b == x) || (counter == 1))) - ProcedureContractResult [Line: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: (((counter == 0) && (cond == 1)) && (counter == \old(counter))) - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: ((((cond != 0) || (5 < counter)) || (((long long) 2147483645 + counter) < 0)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-14 05:42:05,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2027e3-31de-4ea5-82c8-0d100d6ec089/bin/utaipan-verify-sOmjnqqW8E/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