./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/gj2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-lit/gj2007.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e210f4af0021f1e0c887bbfa24b18aad98424108efaad4cfc57802fd9fd5ce53 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:50:14,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:50:14,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 02:50:14,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:50:14,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:50:14,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:50:14,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:50:14,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:50:14,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:50:14,139 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:50:14,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:50:14,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:50:14,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:50:14,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:50:14,142 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:50:14,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:50:14,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:50:14,144 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:50:14,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:50:14,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:50:14,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:50:14,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:50:14,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:50:14,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:50:14,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 02:50:14,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:50:14,148 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:50:14,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:50:14,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:50:14,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:50:14,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:50:14,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:50:14,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:50:14,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:50:14,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:50:14,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:50:14,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:50:14,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:50:14,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:50:14,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:50:14,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:50:14,152 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:50:14,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:50:14,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:50:14,153 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e210f4af0021f1e0c887bbfa24b18aad98424108efaad4cfc57802fd9fd5ce53 [2023-11-29 02:50:14,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:50:14,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:50:14,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:50:14,426 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:50:14,427 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:50:14,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/loop-lit/gj2007.i [2023-11-29 02:50:17,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:50:17,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:50:17,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/sv-benchmarks/c/loop-lit/gj2007.i [2023-11-29 02:50:17,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/data/92d43fff6/eb7185660bb64e02bd0ab2c3b31390ab/FLAGb82d08ab6 [2023-11-29 02:50:17,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/data/92d43fff6/eb7185660bb64e02bd0ab2c3b31390ab [2023-11-29 02:50:17,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:50:17,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:50:17,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:50:17,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:50:17,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:50:17,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eac75f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17, skipping insertion in model container [2023-11-29 02:50:17,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,356 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:50:17,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:50:17,525 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:50:17,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:50:17,555 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:50:17,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17 WrapperNode [2023-11-29 02:50:17,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:50:17,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:50:17,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:50:17,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:50:17,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,588 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2023-11-29 02:50:17,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:50:17,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:50:17,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:50:17,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:50:17,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,613 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:50:17,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:50:17,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:50:17,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:50:17,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:50:17,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (1/1) ... [2023-11-29 02:50:17,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:50:17,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:17,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:50:17,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:50:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:50:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:50:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:50:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:50:17,752 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:50:17,754 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:50:17,856 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:50:17,877 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:50:17,878 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:50:17,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:50:17 BoogieIcfgContainer [2023-11-29 02:50:17,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:50:17,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:50:17,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:50:17,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:50:17,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:50:17" (1/3) ... [2023-11-29 02:50:17,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fad7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:50:17, skipping insertion in model container [2023-11-29 02:50:17,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:50:17" (2/3) ... [2023-11-29 02:50:17,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fad7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:50:17, skipping insertion in model container [2023-11-29 02:50:17,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:50:17" (3/3) ... [2023-11-29 02:50:17,887 INFO L112 eAbstractionObserver]: Analyzing ICFG gj2007.i [2023-11-29 02:50:17,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:50:17,903 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-29 02:50:17,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:50:17,949 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19c83dbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:50:17,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 02:50:17,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 02:50:17,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:17,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 02:50:17,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:17,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:17,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2603029, now seen corresponding path program 1 times [2023-11-29 02:50:17,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:17,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121672694] [2023-11-29 02:50:17,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:17,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:50:18,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:18,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121672694] [2023-11-29 02:50:18,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121672694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:18,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:50:18,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:50:18,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627902262] [2023-11-29 02:50:18,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:18,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:50:18,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:18,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:50:18,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:50:18,160 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 20 states have internal predecessors, (25), 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:18,215 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2023-11-29 02:50:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:50:18,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 02:50:18,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:18,225 INFO L225 Difference]: With dead ends: 44 [2023-11-29 02:50:18,226 INFO L226 Difference]: Without dead ends: 19 [2023-11-29 02:50:18,228 INFO L412 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 [2023-11-29 02:50:18,232 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:18,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:18,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-29 02:50:18,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-29 02:50:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-11-29 02:50:18,262 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 4 [2023-11-29 02:50:18,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:18,263 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-11-29 02:50:18,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-29 02:50:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 02:50:18,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:18,264 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:18,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:50:18,265 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:18,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:18,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1405585712, now seen corresponding path program 1 times [2023-11-29 02:50:18,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:18,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363327967] [2023-11-29 02:50:18,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:18,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:50:18,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:18,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363327967] [2023-11-29 02:50:18,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363327967] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:18,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57427605] [2023-11-29 02:50:18,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:18,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:18,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:18,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:18,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:50:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:18,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:50:18,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:50:18,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:18,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57427605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:18,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:50:18,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-29 02:50:18,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035546383] [2023-11-29 02:50:18,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:18,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:50:18,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:18,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:50:18,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:18,411 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:18,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:18,438 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2023-11-29 02:50:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:50:18,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-29 02:50:18,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:18,440 INFO L225 Difference]: With dead ends: 34 [2023-11-29 02:50:18,440 INFO L226 Difference]: Without dead ends: 20 [2023-11-29 02:50:18,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:18,442 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:18,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:18,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-11-29 02:50:18,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-29 02:50:18,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2023-11-29 02:50:18,449 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 8 [2023-11-29 02:50:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:18,449 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2023-11-29 02:50:18,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-29 02:50:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 02:50:18,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:18,451 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2023-11-29 02:50:18,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:50:18,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:18,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:18,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:18,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1405585904, now seen corresponding path program 1 times [2023-11-29 02:50:18,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:18,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995727596] [2023-11-29 02:50:18,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:18,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:50:18,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:18,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995727596] [2023-11-29 02:50:18,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995727596] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:18,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807511451] [2023-11-29 02:50:18,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:18,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:18,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:18,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:18,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:50:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:18,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:50:18,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:50:18,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:18,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807511451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:18,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:50:18,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-11-29 02:50:18,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130910835] [2023-11-29 02:50:18,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:18,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:50:18,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:18,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:50:18,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:18,802 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:18,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:18,826 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2023-11-29 02:50:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:50:18,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-29 02:50:18,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:18,828 INFO L225 Difference]: With dead ends: 20 [2023-11-29 02:50:18,828 INFO L226 Difference]: Without dead ends: 19 [2023-11-29 02:50:18,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:18,830 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:18,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:18,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-29 02:50:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-29 02:50:18,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-11-29 02:50:18,836 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 8 [2023-11-29 02:50:18,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:18,837 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-11-29 02:50:18,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:18,837 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-29 02:50:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 02:50:18,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:18,838 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:18,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 02:50:19,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:19,040 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:19,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:19,041 INFO L85 PathProgramCache]: Analyzing trace with hash -623484058, now seen corresponding path program 1 times [2023-11-29 02:50:19,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:19,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543481923] [2023-11-29 02:50:19,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:19,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:50:19,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:19,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543481923] [2023-11-29 02:50:19,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543481923] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:19,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320280096] [2023-11-29 02:50:19,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:19,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:19,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:19,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:19,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:50:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:19,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:50:19,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:50:19,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:19,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320280096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:19,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:50:19,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-29 02:50:19,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334217861] [2023-11-29 02:50:19,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:19,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:50:19,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:19,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:50:19,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:19,167 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:19,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:19,184 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2023-11-29 02:50:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:50:19,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 02:50:19,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:19,186 INFO L225 Difference]: With dead ends: 19 [2023-11-29 02:50:19,186 INFO L226 Difference]: Without dead ends: 17 [2023-11-29 02:50:19,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:19,188 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:19,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:19,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-11-29 02:50:19,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2023-11-29 02:50:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2023-11-29 02:50:19,192 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 9 [2023-11-29 02:50:19,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:19,193 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-11-29 02:50:19,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-29 02:50:19,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 02:50:19,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:19,194 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:19,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:50:19,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:19,395 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:19,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:19,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2146830738, now seen corresponding path program 1 times [2023-11-29 02:50:19,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:19,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536268846] [2023-11-29 02:50:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:19,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:50:19,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536268846] [2023-11-29 02:50:19,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536268846] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191916970] [2023-11-29 02:50:19,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:19,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:19,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:19,434 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:19,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:50:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:19,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:50:19,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:50:19,489 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:19,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191916970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:19,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:50:19,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2023-11-29 02:50:19,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775471328] [2023-11-29 02:50:19,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:19,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:50:19,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:19,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:50:19,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:19,492 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:19,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:19,501 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2023-11-29 02:50:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:50:19,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 02:50:19,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:19,502 INFO L225 Difference]: With dead ends: 15 [2023-11-29 02:50:19,503 INFO L226 Difference]: Without dead ends: 14 [2023-11-29 02:50:19,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:19,504 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:19,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:19,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-29 02:50:19,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-29 02:50:19,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2023-11-29 02:50:19,509 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2023-11-29 02:50:19,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:19,510 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-11-29 02:50:19,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-29 02:50:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 02:50:19,510 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:19,511 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:19,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 02:50:19,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:19,715 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:19,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:19,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2127243496, now seen corresponding path program 1 times [2023-11-29 02:50:19,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:19,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677789804] [2023-11-29 02:50:19,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:19,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:50:19,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:19,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677789804] [2023-11-29 02:50:19,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677789804] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:19,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506127351] [2023-11-29 02:50:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:19,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:19,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:19,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:19,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:50:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:19,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:50:19,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:50:19,826 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:19,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506127351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:19,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:50:19,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2023-11-29 02:50:19,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164038789] [2023-11-29 02:50:19,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:19,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:50:19,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:19,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:50:19,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:19,829 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:19,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:19,838 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2023-11-29 02:50:19,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:50:19,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-29 02:50:19,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:19,840 INFO L225 Difference]: With dead ends: 19 [2023-11-29 02:50:19,840 INFO L226 Difference]: Without dead ends: 18 [2023-11-29 02:50:19,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:50:19,841 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:19,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:19,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-11-29 02:50:19,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-29 02:50:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2023-11-29 02:50:19,846 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 11 [2023-11-29 02:50:19,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:19,846 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2023-11-29 02:50:19,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-29 02:50:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 02:50:19,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:19,847 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:19,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:50:20,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 02:50:20,052 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:20,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:20,053 INFO L85 PathProgramCache]: Analyzing trace with hash 759339157, now seen corresponding path program 1 times [2023-11-29 02:50:20,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:20,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633275505] [2023-11-29 02:50:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:20,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 02:50:20,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:20,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633275505] [2023-11-29 02:50:20,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633275505] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:20,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610918646] [2023-11-29 02:50:20,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:20,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:20,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:20,113 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:20,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 02:50:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:50:20,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 02:50:20,175 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:50:20,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 02:50:20,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610918646] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:50:20,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:50:20,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 02:50:20,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014572885] [2023-11-29 02:50:20,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:50:20,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:50:20,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:20,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:50:20,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:50:20,201 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:20,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:20,232 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2023-11-29 02:50:20,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:50:20,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-29 02:50:20,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:20,233 INFO L225 Difference]: With dead ends: 41 [2023-11-29 02:50:20,233 INFO L226 Difference]: Without dead ends: 30 [2023-11-29 02:50:20,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:50:20,235 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:20,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 12 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:20,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-29 02:50:20,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-29 02:50:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2023-11-29 02:50:20,241 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 17 [2023-11-29 02:50:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:20,242 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2023-11-29 02:50:20,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2023-11-29 02:50:20,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 02:50:20,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:20,243 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1] [2023-11-29 02:50:20,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 02:50:20,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:20,449 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:20,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:20,450 INFO L85 PathProgramCache]: Analyzing trace with hash 139289732, now seen corresponding path program 2 times [2023-11-29 02:50:20,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:20,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396431259] [2023-11-29 02:50:20,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:20,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-29 02:50:20,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:20,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396431259] [2023-11-29 02:50:20,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396431259] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:20,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153484299] [2023-11-29 02:50:20,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:50:20,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:20,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:20,517 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:20,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 02:50:20,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:50:20,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:50:20,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:50:20,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 02:50:20,629 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:50:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 02:50:20,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153484299] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:50:20,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:50:20,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 6, 6] total 13 [2023-11-29 02:50:20,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329985645] [2023-11-29 02:50:20,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:50:20,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 02:50:20,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:20,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 02:50:20,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:50:20,718 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:20,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:20,900 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2023-11-29 02:50:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:50:20,901 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-11-29 02:50:20,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:20,901 INFO L225 Difference]: With dead ends: 71 [2023-11-29 02:50:20,902 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 02:50:20,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=341, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:50:20,903 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:20,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 17 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:50:20,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 02:50:20,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-29 02:50:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 59 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2023-11-29 02:50:20,912 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 29 [2023-11-29 02:50:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:20,913 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2023-11-29 02:50:20,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2023-11-29 02:50:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 02:50:20,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:20,915 INFO L195 NwaCegarLoop]: trace histogram [13, 10, 10, 10, 3, 3, 3, 3, 2, 1, 1] [2023-11-29 02:50:20,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 02:50:21,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:21,116 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:21,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:21,116 INFO L85 PathProgramCache]: Analyzing trace with hash -318735089, now seen corresponding path program 3 times [2023-11-29 02:50:21,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:21,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927613915] [2023-11-29 02:50:21,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:21,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-29 02:50:21,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:21,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927613915] [2023-11-29 02:50:21,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927613915] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:21,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729880335] [2023-11-29 02:50:21,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 02:50:21,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:21,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:21,219 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:21,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 02:50:21,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-29 02:50:21,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:50:21,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:50:21,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-29 02:50:21,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:50:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-29 02:50:21,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729880335] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:50:21,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:50:21,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 02:50:21,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291960024] [2023-11-29 02:50:21,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:50:21,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:50:21,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:21,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:50:21,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:50:21,462 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:21,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:21,491 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2023-11-29 02:50:21,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:50:21,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2023-11-29 02:50:21,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:21,492 INFO L225 Difference]: With dead ends: 85 [2023-11-29 02:50:21,493 INFO L226 Difference]: Without dead ends: 84 [2023-11-29 02:50:21,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:50:21,494 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:21,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:50:21,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-29 02:50:21,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-29 02:50:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.0240963855421688) internal successors, (85), 83 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:21,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2023-11-29 02:50:21,505 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 59 [2023-11-29 02:50:21,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:21,505 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2023-11-29 02:50:21,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2023-11-29 02:50:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 02:50:21,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:21,507 INFO L195 NwaCegarLoop]: trace histogram [17, 10, 10, 10, 7, 7, 7, 7, 6, 1, 1] [2023-11-29 02:50:21,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 02:50:21,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:21,712 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:21,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:21,713 INFO L85 PathProgramCache]: Analyzing trace with hash 52950083, now seen corresponding path program 4 times [2023-11-29 02:50:21,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:21,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785382087] [2023-11-29 02:50:21,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:21,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 132 proven. 200 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-29 02:50:21,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:21,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785382087] [2023-11-29 02:50:21,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785382087] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:21,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270294281] [2023-11-29 02:50:21,975 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 02:50:21,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:21,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:21,976 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:21,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 02:50:22,033 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 02:50:22,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:50:22,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 02:50:22,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 132 proven. 200 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-29 02:50:22,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:50:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 132 proven. 200 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-29 02:50:22,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270294281] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:50:22,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:50:22,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2023-11-29 02:50:22,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637086901] [2023-11-29 02:50:22,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:50:22,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 02:50:22,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:22,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 02:50:22,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 02:50:22,353 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand has 25 states, 25 states have (on average 3.92) internal successors, (98), 24 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:22,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:22,490 INFO L93 Difference]: Finished difference Result 173 states and 186 transitions. [2023-11-29 02:50:22,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 02:50:22,491 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.92) internal successors, (98), 24 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-29 02:50:22,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:22,492 INFO L225 Difference]: With dead ends: 173 [2023-11-29 02:50:22,492 INFO L226 Difference]: Without dead ends: 132 [2023-11-29 02:50:22,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 02:50:22,494 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:22,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 18 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:50:22,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-29 02:50:22,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2023-11-29 02:50:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.015267175572519) internal successors, (133), 131 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 133 transitions. [2023-11-29 02:50:22,507 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 133 transitions. Word has length 83 [2023-11-29 02:50:22,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:22,508 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 133 transitions. [2023-11-29 02:50:22,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.92) internal successors, (98), 24 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 133 transitions. [2023-11-29 02:50:22,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 02:50:22,510 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:22,511 INFO L195 NwaCegarLoop]: trace histogram [29, 22, 22, 22, 7, 7, 7, 7, 6, 1, 1] [2023-11-29 02:50:22,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 02:50:22,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:50:22,711 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:22,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:22,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1605004799, now seen corresponding path program 5 times [2023-11-29 02:50:22,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:22,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797395068] [2023-11-29 02:50:22,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:22,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 276 proven. 968 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-29 02:50:23,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:23,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797395068] [2023-11-29 02:50:23,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797395068] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:23,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779926636] [2023-11-29 02:50:23,253 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 02:50:23,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:23,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:23,254 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:23,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 02:50:23,349 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2023-11-29 02:50:23,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:50:23,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 02:50:23,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 276 proven. 968 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-29 02:50:23,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:50:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 276 proven. 968 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-29 02:50:24,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779926636] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:50:24,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:50:24,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2023-11-29 02:50:24,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303087836] [2023-11-29 02:50:24,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:50:24,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-11-29 02:50:24,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:24,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-11-29 02:50:24,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 02:50:24,303 INFO L87 Difference]: Start difference. First operand 132 states and 133 transitions. Second operand has 49 states, 49 states have (on average 3.9591836734693877) internal successors, (194), 48 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:24,554 INFO L93 Difference]: Finished difference Result 269 states and 294 transitions. [2023-11-29 02:50:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-29 02:50:24,555 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 3.9591836734693877) internal successors, (194), 48 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2023-11-29 02:50:24,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:24,557 INFO L225 Difference]: With dead ends: 269 [2023-11-29 02:50:24,557 INFO L226 Difference]: Without dead ends: 228 [2023-11-29 02:50:24,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2023-11-29 02:50:24,560 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:24,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 15 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:50:24,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-11-29 02:50:24,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2023-11-29 02:50:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.0088105726872247) internal successors, (229), 227 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:24,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 229 transitions. [2023-11-29 02:50:24,578 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 229 transitions. Word has length 131 [2023-11-29 02:50:24,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:24,579 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 229 transitions. [2023-11-29 02:50:24,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.9591836734693877) internal successors, (194), 48 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:24,579 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 229 transitions. [2023-11-29 02:50:24,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-11-29 02:50:24,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:24,584 INFO L195 NwaCegarLoop]: trace histogram [53, 46, 46, 46, 7, 7, 7, 7, 6, 1, 1] [2023-11-29 02:50:24,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 02:50:24,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:24,788 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:24,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:24,788 INFO L85 PathProgramCache]: Analyzing trace with hash 161786231, now seen corresponding path program 6 times [2023-11-29 02:50:24,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:24,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060000547] [2023-11-29 02:50:24,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:24,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 564 proven. 4232 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-29 02:50:26,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:26,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060000547] [2023-11-29 02:50:26,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060000547] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:26,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808159918] [2023-11-29 02:50:26,632 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-29 02:50:26,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:26,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:26,633 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:26,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 02:50:26,702 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2023-11-29 02:50:26,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:50:26,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:50:26,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 0 proven. 678 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2023-11-29 02:50:27,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:50:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4910 backedges. 0 proven. 678 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2023-11-29 02:50:27,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808159918] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:50:27,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:50:27,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 7, 7] total 62 [2023-11-29 02:50:27,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849051481] [2023-11-29 02:50:27,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:50:27,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-11-29 02:50:27,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:27,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-11-29 02:50:27,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1295, Invalid=2611, Unknown=0, NotChecked=0, Total=3906 [2023-11-29 02:50:27,588 INFO L87 Difference]: Start difference. First operand 228 states and 229 transitions. Second operand has 63 states, 63 states have (on average 4.5396825396825395) internal successors, (286), 62 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:28,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:28,937 INFO L93 Difference]: Finished difference Result 323 states and 333 transitions. [2023-11-29 02:50:28,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-11-29 02:50:28,937 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 4.5396825396825395) internal successors, (286), 62 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 227 [2023-11-29 02:50:28,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:28,939 INFO L225 Difference]: With dead ends: 323 [2023-11-29 02:50:28,939 INFO L226 Difference]: Without dead ends: 282 [2023-11-29 02:50:28,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1725 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4256, Invalid=7734, Unknown=0, NotChecked=0, Total=11990 [2023-11-29 02:50:28,944 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:28,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 67 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:50:28,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-29 02:50:28,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 280. [2023-11-29 02:50:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 279 states have (on average 1.007168458781362) internal successors, (281), 279 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 281 transitions. [2023-11-29 02:50:28,959 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 281 transitions. Word has length 227 [2023-11-29 02:50:28,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:28,960 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 281 transitions. [2023-11-29 02:50:28,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.5396825396825395) internal successors, (286), 62 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2023-11-29 02:50:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-11-29 02:50:28,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:28,966 INFO L195 NwaCegarLoop]: trace histogram [62, 47, 47, 47, 15, 15, 15, 15, 14, 1, 1] [2023-11-29 02:50:28,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 02:50:29,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:29,166 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:29,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:29,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1464778692, now seen corresponding path program 7 times [2023-11-29 02:50:29,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:29,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470285834] [2023-11-29 02:50:29,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:29,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:30,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6364 backedges. 1344 proven. 4418 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2023-11-29 02:50:30,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:30,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470285834] [2023-11-29 02:50:30,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470285834] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:30,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744553361] [2023-11-29 02:50:30,920 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-29 02:50:30,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:30,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:30,922 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:30,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 02:50:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:31,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-29 02:50:31,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6364 backedges. 1344 proven. 4418 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2023-11-29 02:50:31,307 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:50:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6364 backedges. 1344 proven. 4418 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2023-11-29 02:50:32,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744553361] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:50:32,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:50:32,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 52 [2023-11-29 02:50:32,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062410062] [2023-11-29 02:50:32,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:50:32,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-11-29 02:50:32,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:32,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-11-29 02:50:32,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2023-11-29 02:50:32,440 INFO L87 Difference]: Start difference. First operand 280 states and 281 transitions. Second operand has 53 states, 53 states have (on average 4.018867924528302) internal successors, (213), 52 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:32,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:32,641 INFO L93 Difference]: Finished difference Result 381 states and 385 transitions. [2023-11-29 02:50:32,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-29 02:50:32,642 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 4.018867924528302) internal successors, (213), 52 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 279 [2023-11-29 02:50:32,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:32,643 INFO L225 Difference]: With dead ends: 381 [2023-11-29 02:50:32,644 INFO L226 Difference]: Without dead ends: 292 [2023-11-29 02:50:32,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 508 SyntacticMatches, 46 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1315 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2023-11-29 02:50:32,646 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:32,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:50:32,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-11-29 02:50:32,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2023-11-29 02:50:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 291 states have (on average 1.006872852233677) internal successors, (293), 291 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 293 transitions. [2023-11-29 02:50:32,657 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 293 transitions. Word has length 279 [2023-11-29 02:50:32,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:32,657 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 293 transitions. [2023-11-29 02:50:32,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.018867924528302) internal successors, (213), 52 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2023-11-29 02:50:32,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2023-11-29 02:50:32,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:32,662 INFO L195 NwaCegarLoop]: trace histogram [65, 50, 50, 50, 15, 15, 15, 15, 14, 1, 1] [2023-11-29 02:50:32,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 02:50:32,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 02:50:32,864 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:32,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:32,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1901247603, now seen corresponding path program 8 times [2023-11-29 02:50:32,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:32,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631570069] [2023-11-29 02:50:32,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:32,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7030 backedges. 0 proven. 2030 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2023-11-29 02:50:33,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:33,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631570069] [2023-11-29 02:50:33,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631570069] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:33,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549635417] [2023-11-29 02:50:33,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:50:33,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:33,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:33,308 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:33,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 02:50:33,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:50:33,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:50:33,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 02:50:33,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:33,724 INFO L134 CoverageAnalysis]: Checked inductivity of 7030 backedges. 0 proven. 2030 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2023-11-29 02:50:33,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:50:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7030 backedges. 0 proven. 2030 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2023-11-29 02:50:34,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549635417] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:50:34,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:50:34,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2023-11-29 02:50:34,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99333753] [2023-11-29 02:50:34,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:50:34,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-11-29 02:50:34,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:34,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-29 02:50:34,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2023-11-29 02:50:34,292 INFO L87 Difference]: Start difference. First operand 292 states and 293 transitions. Second operand has 32 states, 31 states have (on average 6.064516129032258) internal successors, (188), 31 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:34,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:34,361 INFO L93 Difference]: Finished difference Result 389 states and 405 transitions. [2023-11-29 02:50:34,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 02:50:34,362 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 6.064516129032258) internal successors, (188), 31 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 291 [2023-11-29 02:50:34,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:34,364 INFO L225 Difference]: With dead ends: 389 [2023-11-29 02:50:34,364 INFO L226 Difference]: Without dead ends: 388 [2023-11-29 02:50:34,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2023-11-29 02:50:34,366 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:34,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:50:34,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2023-11-29 02:50:34,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2023-11-29 02:50:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 387 states have (on average 1.0051679586563307) internal successors, (389), 387 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 389 transitions. [2023-11-29 02:50:34,381 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 389 transitions. Word has length 291 [2023-11-29 02:50:34,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:34,381 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 389 transitions. [2023-11-29 02:50:34,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 6.064516129032258) internal successors, (188), 31 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 389 transitions. [2023-11-29 02:50:34,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2023-11-29 02:50:34,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:34,384 INFO L195 NwaCegarLoop]: trace histogram [81, 50, 50, 50, 31, 31, 31, 31, 30, 1, 1] [2023-11-29 02:50:34,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 02:50:34,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 02:50:34,584 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:34,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:34,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1338195645, now seen corresponding path program 9 times [2023-11-29 02:50:34,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:34,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695393593] [2023-11-29 02:50:34,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:34,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10790 backedges. 0 proven. 5790 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2023-11-29 02:50:35,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:35,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695393593] [2023-11-29 02:50:35,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695393593] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:35,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36406606] [2023-11-29 02:50:35,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 02:50:35,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:35,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:35,820 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:35,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 02:50:35,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2023-11-29 02:50:35,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:50:35,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 02:50:35,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:36,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10790 backedges. 0 proven. 5790 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2023-11-29 02:50:36,278 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:50:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10790 backedges. 0 proven. 5790 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2023-11-29 02:50:37,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36406606] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:50:37,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:50:37,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 62 [2023-11-29 02:50:37,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255943227] [2023-11-29 02:50:37,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:50:37,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-11-29 02:50:37,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:37,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-11-29 02:50:37,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2023-11-29 02:50:37,473 INFO L87 Difference]: Start difference. First operand 388 states and 389 transitions. Second operand has 64 states, 63 states have (on average 6.031746031746032) internal successors, (380), 63 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:37,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:37,679 INFO L93 Difference]: Finished difference Result 581 states and 613 transitions. [2023-11-29 02:50:37,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-11-29 02:50:37,680 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 6.031746031746032) internal successors, (380), 63 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 387 [2023-11-29 02:50:37,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:37,684 INFO L225 Difference]: With dead ends: 581 [2023-11-29 02:50:37,684 INFO L226 Difference]: Without dead ends: 580 [2023-11-29 02:50:37,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 803 GetRequests, 741 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2023-11-29 02:50:37,687 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:37,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 256 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:50:37,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2023-11-29 02:50:37,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2023-11-29 02:50:37,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 579 states have (on average 1.003454231433506) internal successors, (581), 579 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:37,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 581 transitions. [2023-11-29 02:50:37,707 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 581 transitions. Word has length 387 [2023-11-29 02:50:37,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:37,707 INFO L495 AbstractCegarLoop]: Abstraction has 580 states and 581 transitions. [2023-11-29 02:50:37,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 6.031746031746032) internal successors, (380), 63 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:37,708 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 581 transitions. [2023-11-29 02:50:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2023-11-29 02:50:37,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:50:37,712 INFO L195 NwaCegarLoop]: trace histogram [113, 63, 63, 63, 63, 62, 50, 50, 50, 1, 1] [2023-11-29 02:50:37,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 02:50:37,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:37,913 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:50:37,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:50:37,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1018595, now seen corresponding path program 10 times [2023-11-29 02:50:37,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:50:37,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986520911] [2023-11-29 02:50:37,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:50:37,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:50:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:50:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 22918 backedges. 0 proven. 17918 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2023-11-29 02:50:40,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:50:40,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986520911] [2023-11-29 02:50:40,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986520911] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:50:40,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531504645] [2023-11-29 02:50:40,912 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 02:50:40,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:50:40,913 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:50:40,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 02:50:41,071 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 02:50:41,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:50:41,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-29 02:50:41,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:50:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 22918 backedges. 17462 proven. 0 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2023-11-29 02:50:43,308 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:50:43,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531504645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:50:43,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:50:43,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [63] total 116 [2023-11-29 02:50:43,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163689865] [2023-11-29 02:50:43,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:50:43,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-11-29 02:50:43,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:50:43,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-11-29 02:50:43,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3457, Invalid=9883, Unknown=0, NotChecked=0, Total=13340 [2023-11-29 02:50:43,316 INFO L87 Difference]: Start difference. First operand 580 states and 581 transitions. Second operand has 53 states, 53 states have (on average 5.886792452830188) internal successors, (312), 53 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:43,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:50:43,757 INFO L93 Difference]: Finished difference Result 580 states and 581 transitions. [2023-11-29 02:50:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-29 02:50:43,758 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 5.886792452830188) internal successors, (312), 53 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 579 [2023-11-29 02:50:43,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:50:43,759 INFO L225 Difference]: With dead ends: 580 [2023-11-29 02:50:43,759 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:50:43,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3162 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=3457, Invalid=9883, Unknown=0, NotChecked=0, Total=13340 [2023-11-29 02:50:43,765 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:50:43,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 459 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:50:43,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:50:43,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:50:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:50:43,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 579 [2023-11-29 02:50:43,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:50:43,766 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:50:43,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.886792452830188) internal successors, (312), 53 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:50:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:50:43,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:50:43,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-29 02:50:43,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-29 02:50:43,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-29 02:50:43,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-29 02:50:43,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-29 02:50:43,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-29 02:50:43,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 02:50:43,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:50:43,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:50:45,614 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2023-11-29 02:50:45,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-29 02:50:45,614 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2023-11-29 02:50:45,614 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 34) no Hoare annotation was computed. [2023-11-29 02:50:45,614 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-11-29 02:50:45,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 02:50:45,615 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2023-11-29 02:50:45,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-29 02:50:45,615 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 33) no Hoare annotation was computed. [2023-11-29 02:50:45,617 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 27 34) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~y~0#1| 50)) (.cse0 (<= 50 |ULTIMATE.start_main_~y~0#1|))) (or (and (<= |ULTIMATE.start_main_~y~0#1| 65) (<= 65 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 59) .cse0 (<= 59 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483620) (<= 85 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483628) (<= 93 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= 80 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 80) .cse0) (and (<= 98 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483633) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483621) (<= 86 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= 60 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 60) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 53) .cse0 (<= 53 |ULTIMATE.start_main_~x~0#1|)) (and (<= 72 |ULTIMATE.start_main_~x~0#1|) .cse0 (<= |ULTIMATE.start_main_~y~0#1| 72)) (and (<= 92 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483627) .cse0) (and (<= 78 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 78) .cse0) (and (<= 64 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 64) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483630) (<= 95 |ULTIMATE.start_main_~x~0#1|) .cse0) (and .cse1 (= |ULTIMATE.start_main_~x~0#1| 0)) (and (<= |ULTIMATE.start_main_~y~0#1| 79) .cse0 (<= 79 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~y~0#1| 76) (<= 76 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 73) .cse0 (<= 73 |ULTIMATE.start_main_~x~0#1|)) (and (<= 70 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 70) .cse0) (and (<= 63 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 63) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 75) (<= 75 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= 100 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483635) .cse0) (and (<= 89 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483624) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483618) (<= 83 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 56) (<= 56 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= 82 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483617) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483632) (<= 97 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 55) (<= 55 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483623) (<= 88 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= 62 |ULTIMATE.start_main_~x~0#1|) .cse0 (<= |ULTIMATE.start_main_~y~0#1| 62)) (and (<= 94 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483629) .cse0) (and .cse1 (<= 1 |ULTIMATE.start_main_~x~0#1|)) (and (<= |ULTIMATE.start_main_~y~0#1| 58) (<= 58 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= 87 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483622) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 66) (<= 66 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 77) .cse0 (<= 77 |ULTIMATE.start_main_~x~0#1|)) (and (<= 90 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483625) .cse0) (and (<= 61 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 61) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 74) (<= 74 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483619) (<= 84 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483626) (<= 91 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 71) (<= 71 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= 81 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483616) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 52) (<= 52 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= 51 |ULTIMATE.start_main_~x~0#1|) .cse0 (<= |ULTIMATE.start_main_~y~0#1| 51)) (and (<= 69 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 69) .cse0) (and (<= 99 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 2147483634) .cse0) (and (<= 54 |ULTIMATE.start_main_~x~0#1|) .cse0 (<= |ULTIMATE.start_main_~y~0#1| 54)) (and (<= 57 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 57) .cse0) (and (<= 67 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 67) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 2147483631) (<= 96 |ULTIMATE.start_main_~x~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~y~0#1| 68) (<= 68 |ULTIMATE.start_main_~x~0#1|) .cse0))) [2023-11-29 02:50:45,617 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-11-29 02:50:45,618 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-11-29 02:50:45,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 02:50:45,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:50:45,618 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2023-11-29 02:50:45,618 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2023-11-29 02:50:45,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-29 02:50:45,619 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:50:45,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-29 02:50:45,619 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2023-11-29 02:50:45,619 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 17 22) no Hoare annotation was computed. [2023-11-29 02:50:45,622 INFO L445 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1, 1, 1, 1] [2023-11-29 02:50:45,625 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:50:45,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:50:45 BoogieIcfgContainer [2023-11-29 02:50:45,647 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:50:45,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:50:45,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:50:45,648 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:50:45,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:50:17" (3/4) ... [2023-11-29 02:50:45,650 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:50:45,658 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 02:50:45,658 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 02:50:45,658 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:50:45,658 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:50:45,751 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:50:45,752 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:50:45,752 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:50:45,753 INFO L158 Benchmark]: Toolchain (without parser) took 28424.10ms. Allocated memory was 161.5MB in the beginning and 408.9MB in the end (delta: 247.5MB). Free memory was 121.5MB in the beginning and 235.7MB in the end (delta: -114.2MB). Peak memory consumption was 133.8MB. Max. memory is 16.1GB. [2023-11-29 02:50:45,753 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 161.5MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:50:45,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.22ms. Allocated memory is still 161.5MB. Free memory was 120.9MB in the beginning and 110.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 02:50:45,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.27ms. Allocated memory is still 161.5MB. Free memory was 110.9MB in the beginning and 109.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:50:45,754 INFO L158 Benchmark]: Boogie Preprocessor took 33.86ms. Allocated memory is still 161.5MB. Free memory was 109.8MB in the beginning and 107.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:50:45,755 INFO L158 Benchmark]: RCFGBuilder took 255.14ms. Allocated memory is still 161.5MB. Free memory was 107.8MB in the beginning and 97.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 02:50:45,755 INFO L158 Benchmark]: TraceAbstraction took 27766.28ms. Allocated memory was 161.5MB in the beginning and 408.9MB in the end (delta: 247.5MB). Free memory was 96.9MB in the beginning and 239.9MB in the end (delta: -143.0MB). Peak memory consumption was 209.6MB. Max. memory is 16.1GB. [2023-11-29 02:50:45,756 INFO L158 Benchmark]: Witness Printer took 105.13ms. Allocated memory is still 408.9MB. Free memory was 239.9MB in the beginning and 235.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:50:45,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 161.5MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.22ms. Allocated memory is still 161.5MB. Free memory was 120.9MB in the beginning and 110.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.27ms. Allocated memory is still 161.5MB. Free memory was 110.9MB in the beginning and 109.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.86ms. Allocated memory is still 161.5MB. Free memory was 109.8MB in the beginning and 107.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.14ms. Allocated memory is still 161.5MB. Free memory was 107.8MB in the beginning and 97.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 27766.28ms. Allocated memory was 161.5MB in the beginning and 408.9MB in the end (delta: 247.5MB). Free memory was 96.9MB in the beginning and 239.9MB in the end (delta: -143.0MB). Peak memory consumption was 209.6MB. Max. memory is 16.1GB. * Witness Printer took 105.13ms. Allocated memory is still 408.9MB. Free memory was 239.9MB in the beginning and 235.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 16, TraceHistogramMax: 113, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 1075 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 866 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2076 IncrementalHoareTripleChecker+Invalid, 2100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 209 mSDtfsCounter, 2076 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3930 GetRequests, 3400 SyntacticMatches, 46 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6398 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=580occurred in iteration=15, InterpolantAutomatonStates: 383, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 102 NumberOfFragments, 515 HoareAnnotationTreeSize, 1 FomulaSimplifications, 663 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 1 FomulaSimplificationsInter, 487 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 17.9s InterpolantComputationTime, 4260 NumberOfCodeBlocks, 4016 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 5723 ConstructedInterpolants, 0 QuantifiedInterpolants, 15379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3244 ConjunctsInSsa, 217 ConjunctsInUnsatCore, 40 InterpolantComputations, 7 PerfectInterpolantSequences, 75501/139494 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((y <= 65) && (65 <= x)) && (50 <= y)) || (((y <= 59) && (50 <= y)) && (59 <= x))) || (((y <= 2147483620) && (85 <= x)) && (50 <= y))) || (((y <= 2147483628) && (93 <= x)) && (50 <= y))) || (((80 <= x) && (y <= 80)) && (50 <= y))) || (((98 <= x) && (y <= 2147483633)) && (50 <= y))) || (((y <= 2147483621) && (86 <= x)) && (50 <= y))) || (((60 <= x) && (y <= 60)) && (50 <= y))) || (((y <= 53) && (50 <= y)) && (53 <= x))) || (((72 <= x) && (50 <= y)) && (y <= 72))) || (((92 <= x) && (y <= 2147483627)) && (50 <= y))) || (((78 <= x) && (y <= 78)) && (50 <= y))) || (((64 <= x) && (y <= 64)) && (50 <= y))) || (((y <= 2147483630) && (95 <= x)) && (50 <= y))) || ((y == 50) && (x == 0))) || (((y <= 79) && (50 <= y)) && (79 <= x))) || (((y <= 76) && (76 <= x)) && (50 <= y))) || (((y <= 73) && (50 <= y)) && (73 <= x))) || (((70 <= x) && (y <= 70)) && (50 <= y))) || (((63 <= x) && (y <= 63)) && (50 <= y))) || (((y <= 75) && (75 <= x)) && (50 <= y))) || (((100 <= x) && (y <= 2147483635)) && (50 <= y))) || (((89 <= x) && (y <= 2147483624)) && (50 <= y))) || (((y <= 2147483618) && (83 <= x)) && (50 <= y))) || (((y <= 56) && (56 <= x)) && (50 <= y))) || (((82 <= x) && (y <= 2147483617)) && (50 <= y))) || (((y <= 2147483632) && (97 <= x)) && (50 <= y))) || (((y <= 55) && (55 <= x)) && (50 <= y))) || (((y <= 2147483623) && (88 <= x)) && (50 <= y))) || (((62 <= x) && (50 <= y)) && (y <= 62))) || (((94 <= x) && (y <= 2147483629)) && (50 <= y))) || ((y == 50) && (1 <= x))) || (((y <= 58) && (58 <= x)) && (50 <= y))) || (((87 <= x) && (y <= 2147483622)) && (50 <= y))) || (((y <= 66) && (66 <= x)) && (50 <= y))) || (((y <= 77) && (50 <= y)) && (77 <= x))) || (((90 <= x) && (y <= 2147483625)) && (50 <= y))) || (((61 <= x) && (y <= 61)) && (50 <= y))) || (((y <= 74) && (74 <= x)) && (50 <= y))) || (((y <= 2147483619) && (84 <= x)) && (50 <= y))) || (((y <= 2147483626) && (91 <= x)) && (50 <= y))) || (((y <= 71) && (71 <= x)) && (50 <= y))) || (((81 <= x) && (y <= 2147483616)) && (50 <= y))) || (((y <= 52) && (52 <= x)) && (50 <= y))) || (((51 <= x) && (50 <= y)) && (y <= 51))) || (((69 <= x) && (y <= 69)) && (50 <= y))) || (((99 <= x) && (y <= 2147483634)) && (50 <= y))) || (((54 <= x) && (50 <= y)) && (y <= 54))) || (((57 <= x) && (y <= 57)) && (50 <= y))) || (((67 <= x) && (y <= 67)) && (50 <= y))) || (((y <= 2147483631) && (96 <= x)) && (50 <= y))) || (((y <= 68) && (68 <= x)) && (50 <= y))) RESULT: Ultimate proved your program to be correct! [2023-11-29 02:50:45,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec10469-5ebe-4a18-ac25-fd8a56cc5e3e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE