./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/hh2012-ex3.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_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-lit/hh2012-ex3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme --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 3c7177334f88b94ca4ee99044935e396702561856a6f48616f98f91aafc609bb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:11,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:11,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 10:44:11,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:11,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:11,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:11,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:11,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:11,690 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:44:11,690 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:44:11,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:44:11,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:44:11,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:11,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:11,694 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:11,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:11,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:44:11,696 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:44:11,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:44:11,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:44:11,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:11,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:44:11,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:44:11,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:44:11,711 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:44:11,712 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:44:11,713 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:44:11,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:11,713 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:11,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:11,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:11,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:44:11,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:44:11,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:11,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:11,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:44:11,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:44:11,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:44:11,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:44:11,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:44:11,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:44:11,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:44:11,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:44:11,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:44:11,722 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_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7177334f88b94ca4ee99044935e396702561856a6f48616f98f91aafc609bb [2023-11-26 10:44:12,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:12,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:12,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:12,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:12,153 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:12,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/loop-lit/hh2012-ex3.i [2023-11-26 10:44:15,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:15,538 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:15,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/sv-benchmarks/c/loop-lit/hh2012-ex3.i [2023-11-26 10:44:15,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/data/8492e9867/fd7dc07a31a5432fb7ea119681ce8bf3/FLAGa43cf5f8c [2023-11-26 10:44:15,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/data/8492e9867/fd7dc07a31a5432fb7ea119681ce8bf3 [2023-11-26 10:44:15,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:15,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:15,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:15,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:15,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:15,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b8db94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15, skipping insertion in model container [2023-11-26 10:44:15,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:15,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:15,788 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:44:15,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:15,819 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:44:15,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15 WrapperNode [2023-11-26 10:44:15,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:15,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:15,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:44:15,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:44:15,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,872 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-11-26 10:44:15,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:15,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:44:15,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:44:15,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:44:15,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,885 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,908 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]. [2023-11-26 10:44:15,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:44:15,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:44:15,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:44:15,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:44:15,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (1/1) ... [2023-11-26 10:44:15,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:15,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:15,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:16,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:44:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:44:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:44:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:44:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:44:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-26 10:44:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-26 10:44:16,132 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:44:16,135 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:44:16,310 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:44:16,345 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:44:16,346 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:44:16,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:16 BoogieIcfgContainer [2023-11-26 10:44:16,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:44:16,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:44:16,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:44:16,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:44:16,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:44:15" (1/3) ... [2023-11-26 10:44:16,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ed9e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:16, skipping insertion in model container [2023-11-26 10:44:16,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:15" (2/3) ... [2023-11-26 10:44:16,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ed9e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:16, skipping insertion in model container [2023-11-26 10:44:16,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:16" (3/3) ... [2023-11-26 10:44:16,357 INFO L112 eAbstractionObserver]: Analyzing ICFG hh2012-ex3.i [2023-11-26 10:44:16,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:44:16,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-26 10:44:16,420 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:44:16,426 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;@6a5e6348, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:44:16,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-26 10:44:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 34 states have internal predecessors, (39), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-26 10:44:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-26 10:44:16,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:16,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-26 10:44:16,439 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:16,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:16,445 INFO L85 PathProgramCache]: Analyzing trace with hash 3824460, now seen corresponding path program 1 times [2023-11-26 10:44:16,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:16,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257576814] [2023-11-26 10:44:16,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:16,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:16,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:16,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257576814] [2023-11-26 10:44:16,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257576814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:16,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:16,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:44:16,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823365173] [2023-11-26 10:44:16,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:16,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:44:16,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:16,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:44:16,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:44:16,733 INFO L87 Difference]: Start difference. First operand has 43 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 34 states have internal predecessors, (39), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2023-11-26 10:44:16,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:16,876 INFO L93 Difference]: Finished difference Result 117 states and 170 transitions. [2023-11-26 10:44:16,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:44:16,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 [2023-11-26 10:44:16,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:16,887 INFO L225 Difference]: With dead ends: 117 [2023-11-26 10:44:16,888 INFO L226 Difference]: Without dead ends: 72 [2023-11-26 10:44:16,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:44:16,896 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 26 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:16,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 100 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:16,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-26 10:44:16,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 51. [2023-11-26 10:44:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 26 states have (on average 1.7307692307692308) internal successors, (45), 39 states have internal predecessors, (45), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:44:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 69 transitions. [2023-11-26 10:44:16,953 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 69 transitions. Word has length 4 [2023-11-26 10:44:16,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:16,954 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-11-26 10:44:16,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2023-11-26 10:44:16,954 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-11-26 10:44:16,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-26 10:44:16,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:16,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-26 10:44:16,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:44:16,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:16,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:16,957 INFO L85 PathProgramCache]: Analyzing trace with hash 118558314, now seen corresponding path program 1 times [2023-11-26 10:44:16,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:16,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016247696] [2023-11-26 10:44:16,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:16,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:17,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:17,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016247696] [2023-11-26 10:44:17,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016247696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:17,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:17,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:44:17,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652066399] [2023-11-26 10:44:17,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:17,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:44:17,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:17,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:44:17,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:44:17,029 INFO L87 Difference]: Start difference. First operand 51 states and 69 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-26 10:44:17,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:17,109 INFO L93 Difference]: Finished difference Result 71 states and 94 transitions. [2023-11-26 10:44:17,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:44:17,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-11-26 10:44:17,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:17,112 INFO L225 Difference]: With dead ends: 71 [2023-11-26 10:44:17,112 INFO L226 Difference]: Without dead ends: 70 [2023-11-26 10:44:17,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:44:17,114 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 14 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:17,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 101 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:17,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-26 10:44:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 54. [2023-11-26 10:44:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 29 states have (on average 1.6896551724137931) internal successors, (49), 41 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:44:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2023-11-26 10:44:17,132 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 73 transitions. Word has length 5 [2023-11-26 10:44:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:17,133 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 73 transitions. [2023-11-26 10:44:17,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-26 10:44:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2023-11-26 10:44:17,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-26 10:44:17,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:17,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-26 10:44:17,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:44:17,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:17,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:17,136 INFO L85 PathProgramCache]: Analyzing trace with hash -619659506, now seen corresponding path program 1 times [2023-11-26 10:44:17,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:17,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610237902] [2023-11-26 10:44:17,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:17,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:17,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:17,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:17,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610237902] [2023-11-26 10:44:17,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610237902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:17,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:17,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:17,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316987955] [2023-11-26 10:44:17,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:17,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:44:17,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:17,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:44:17,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:44:17,231 INFO L87 Difference]: Start difference. First operand 54 states and 73 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-26 10:44:17,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:17,302 INFO L93 Difference]: Finished difference Result 101 states and 133 transitions. [2023-11-26 10:44:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:44:17,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2023-11-26 10:44:17,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:17,304 INFO L225 Difference]: With dead ends: 101 [2023-11-26 10:44:17,304 INFO L226 Difference]: Without dead ends: 63 [2023-11-26 10:44:17,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:44:17,307 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 5 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:17,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 109 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:17,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-26 10:44:17,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2023-11-26 10:44:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.5833333333333333) internal successors, (57), 47 states have internal predecessors, (57), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:44:17,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2023-11-26 10:44:17,323 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 6 [2023-11-26 10:44:17,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:17,323 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2023-11-26 10:44:17,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-26 10:44:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2023-11-26 10:44:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 10:44:17,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:17,325 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:17,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:44:17,326 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:17,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:17,327 INFO L85 PathProgramCache]: Analyzing trace with hash -284900210, now seen corresponding path program 1 times [2023-11-26 10:44:17,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:17,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136505891] [2023-11-26 10:44:17,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:17,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 10:44:17,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:17,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136505891] [2023-11-26 10:44:17,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136505891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:17,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:17,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:44:17,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406349641] [2023-11-26 10:44:17,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:17,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:44:17,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:17,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:44:17,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:44:17,540 INFO L87 Difference]: Start difference. First operand 61 states and 81 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:44:17,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:17,663 INFO L93 Difference]: Finished difference Result 90 states and 124 transitions. [2023-11-26 10:44:17,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:44:17,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2023-11-26 10:44:17,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:17,670 INFO L225 Difference]: With dead ends: 90 [2023-11-26 10:44:17,672 INFO L226 Difference]: Without dead ends: 88 [2023-11-26 10:44:17,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:44:17,675 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:17,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 96 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:17,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-26 10:44:17,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 66. [2023-11-26 10:44:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.5263157894736843) internal successors, (58), 48 states have internal predecessors, (58), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:44:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 90 transitions. [2023-11-26 10:44:17,707 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 90 transitions. Word has length 18 [2023-11-26 10:44:17,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:17,708 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 90 transitions. [2023-11-26 10:44:17,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:44:17,709 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-26 10:44:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-26 10:44:17,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:17,710 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:17,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:44:17,711 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:17,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash -241971854, now seen corresponding path program 1 times [2023-11-26 10:44:17,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:17,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187730193] [2023-11-26 10:44:17,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:17,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:17,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 10:44:17,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:17,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187730193] [2023-11-26 10:44:17,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187730193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:17,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:17,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:44:17,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715280679] [2023-11-26 10:44:17,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:17,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:44:17,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:17,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:44:17,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:44:17,874 INFO L87 Difference]: Start difference. First operand 66 states and 90 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:44:18,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:18,029 INFO L93 Difference]: Finished difference Result 133 states and 178 transitions. [2023-11-26 10:44:18,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:44:18,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-11-26 10:44:18,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:18,033 INFO L225 Difference]: With dead ends: 133 [2023-11-26 10:44:18,034 INFO L226 Difference]: Without dead ends: 88 [2023-11-26 10:44:18,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:44:18,039 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 16 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:18,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 109 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:18,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-26 10:44:18,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 74. [2023-11-26 10:44:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 52 states have internal predecessors, (62), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:44:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2023-11-26 10:44:18,074 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 19 [2023-11-26 10:44:18,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:18,075 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2023-11-26 10:44:18,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:44:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2023-11-26 10:44:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-26 10:44:18,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:18,077 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:18,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:44:18,078 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:18,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:18,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2038879042, now seen corresponding path program 1 times [2023-11-26 10:44:18,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:18,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301269281] [2023-11-26 10:44:18,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:18,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:18,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-26 10:44:18,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:18,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301269281] [2023-11-26 10:44:18,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301269281] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:18,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335199392] [2023-11-26 10:44:18,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:18,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:18,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:18,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:18,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:44:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:18,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:44:18,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-26 10:44:18,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-26 10:44:18,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335199392] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:18,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:18,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-26 10:44:18,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145893403] [2023-11-26 10:44:18,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:18,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-26 10:44:18,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:18,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-26 10:44:18,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:44:18,612 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-26 10:44:18,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:18,853 INFO L93 Difference]: Finished difference Result 141 states and 189 transitions. [2023-11-26 10:44:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 10:44:18,853 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 32 [2023-11-26 10:44:18,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:18,857 INFO L225 Difference]: With dead ends: 141 [2023-11-26 10:44:18,857 INFO L226 Difference]: Without dead ends: 140 [2023-11-26 10:44:18,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2023-11-26 10:44:18,865 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 69 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:18,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 156 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:18,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-26 10:44:18,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 100. [2023-11-26 10:44:18,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 60 states have (on average 1.5) internal successors, (90), 70 states have internal predecessors, (90), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:44:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 146 transitions. [2023-11-26 10:44:18,908 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 146 transitions. Word has length 32 [2023-11-26 10:44:18,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:18,909 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 146 transitions. [2023-11-26 10:44:18,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-26 10:44:18,909 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 146 transitions. [2023-11-26 10:44:18,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-26 10:44:18,910 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:18,910 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:18,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:44:19,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:19,113 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:19,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:19,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1219259194, now seen corresponding path program 1 times [2023-11-26 10:44:19,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:19,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727472757] [2023-11-26 10:44:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:19,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,223 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-26 10:44:19,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:19,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727472757] [2023-11-26 10:44:19,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727472757] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:19,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743463039] [2023-11-26 10:44:19,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:19,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:19,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:19,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:19,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:44:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:44:19,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-26 10:44:19,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:44:19,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743463039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:19,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:44:19,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-26 10:44:19,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119718995] [2023-11-26 10:44:19,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:19,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:44:19,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:19,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:44:19,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:44:19,352 INFO L87 Difference]: Start difference. First operand 100 states and 146 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:44:19,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:19,425 INFO L93 Difference]: Finished difference Result 101 states and 146 transitions. [2023-11-26 10:44:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:44:19,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2023-11-26 10:44:19,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:19,427 INFO L225 Difference]: With dead ends: 101 [2023-11-26 10:44:19,427 INFO L226 Difference]: Without dead ends: 99 [2023-11-26 10:44:19,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:44:19,429 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:19,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 74 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:19,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-26 10:44:19,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2023-11-26 10:44:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 68 states have internal predecessors, (82), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:44:19,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 138 transitions. [2023-11-26 10:44:19,448 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 138 transitions. Word has length 33 [2023-11-26 10:44:19,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:19,448 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 138 transitions. [2023-11-26 10:44:19,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:44:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2023-11-26 10:44:19,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-26 10:44:19,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:19,450 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:19,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:19,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:19,651 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:19,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:19,651 INFO L85 PathProgramCache]: Analyzing trace with hash -857670592, now seen corresponding path program 1 times [2023-11-26 10:44:19,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:19,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823974857] [2023-11-26 10:44:19,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:19,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-26 10:44:19,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:19,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823974857] [2023-11-26 10:44:19,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823974857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:19,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:19,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:19,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418771362] [2023-11-26 10:44:19,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:19,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:44:19,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:19,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:44:19,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:44:19,725 INFO L87 Difference]: Start difference. First operand 98 states and 138 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:44:19,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:19,766 INFO L93 Difference]: Finished difference Result 98 states and 138 transitions. [2023-11-26 10:44:19,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:44:19,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2023-11-26 10:44:19,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:19,769 INFO L225 Difference]: With dead ends: 98 [2023-11-26 10:44:19,769 INFO L226 Difference]: Without dead ends: 97 [2023-11-26 10:44:19,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:44:19,770 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 4 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:19,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 95 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:19,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-26 10:44:19,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-26 10:44:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 60 states have (on average 1.3) internal successors, (78), 67 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:44:19,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 134 transitions. [2023-11-26 10:44:19,783 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 134 transitions. Word has length 34 [2023-11-26 10:44:19,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:19,784 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 134 transitions. [2023-11-26 10:44:19,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 10:44:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2023-11-26 10:44:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-26 10:44:19,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:19,786 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:19,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 10:44:19,786 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:19,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1922152250, now seen corresponding path program 1 times [2023-11-26 10:44:19,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:19,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958744091] [2023-11-26 10:44:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:19,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 10:44:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 10:44:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 10:44:19,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:19,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958744091] [2023-11-26 10:44:19,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958744091] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:19,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460826912] [2023-11-26 10:44:19,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:19,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:19,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:19,908 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:19,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:44:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:19,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:44:19,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 10:44:20,026 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 10:44:20,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460826912] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:20,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:20,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-11-26 10:44:20,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014976945] [2023-11-26 10:44:20,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:20,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-26 10:44:20,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:20,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 10:44:20,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-11-26 10:44:20,156 INFO L87 Difference]: Start difference. First operand 97 states and 134 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-26 10:44:20,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:20,348 INFO L93 Difference]: Finished difference Result 160 states and 217 transitions. [2023-11-26 10:44:20,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 10:44:20,349 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 46 [2023-11-26 10:44:20,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:20,351 INFO L225 Difference]: With dead ends: 160 [2023-11-26 10:44:20,352 INFO L226 Difference]: Without dead ends: 112 [2023-11-26 10:44:20,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2023-11-26 10:44:20,355 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 53 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:20,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 127 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:20,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-26 10:44:20,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 104. [2023-11-26 10:44:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 70 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-26 10:44:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 141 transitions. [2023-11-26 10:44:20,370 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 141 transitions. Word has length 46 [2023-11-26 10:44:20,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:20,370 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 141 transitions. [2023-11-26 10:44:20,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-26 10:44:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 141 transitions. [2023-11-26 10:44:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-26 10:44:20,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:20,381 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:20,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:20,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:20,587 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:20,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:20,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1808800405, now seen corresponding path program 1 times [2023-11-26 10:44:20,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:20,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186091970] [2023-11-26 10:44:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:20,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 10:44:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 10:44:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:44:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:44:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 10:44:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-26 10:44:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 10:44:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-26 10:44:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 10:44:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-26 10:44:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-26 10:44:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-26 10:44:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:44:20,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:20,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186091970] [2023-11-26 10:44:20,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186091970] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:20,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841753379] [2023-11-26 10:44:20,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:20,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:20,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:20,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:20,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:44:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:20,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:44:20,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 192 proven. 36 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-26 10:44:21,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:44:21,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841753379] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:21,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:21,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2023-11-26 10:44:21,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037825240] [2023-11-26 10:44:21,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:21,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 10:44:21,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:21,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 10:44:21,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:44:21,200 INFO L87 Difference]: Start difference. First operand 104 states and 141 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-26 10:44:21,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:21,319 INFO L93 Difference]: Finished difference Result 174 states and 232 transitions. [2023-11-26 10:44:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:44:21,320 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 107 [2023-11-26 10:44:21,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:21,322 INFO L225 Difference]: With dead ends: 174 [2023-11-26 10:44:21,322 INFO L226 Difference]: Without dead ends: 119 [2023-11-26 10:44:21,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 237 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-11-26 10:44:21,323 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 22 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:21,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 165 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:21,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-26 10:44:21,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2023-11-26 10:44:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.1805555555555556) internal successors, (85), 77 states have internal predecessors, (85), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-26 10:44:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 157 transitions. [2023-11-26 10:44:21,338 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 157 transitions. Word has length 107 [2023-11-26 10:44:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:21,338 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 157 transitions. [2023-11-26 10:44:21,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-26 10:44:21,339 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2023-11-26 10:44:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-26 10:44:21,340 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:21,340 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2023-11-26 10:44:21,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:21,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:21,549 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:21,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:21,550 INFO L85 PathProgramCache]: Analyzing trace with hash 383042922, now seen corresponding path program 2 times [2023-11-26 10:44:21,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:21,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016222496] [2023-11-26 10:44:21,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:21,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 10:44:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 10:44:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:44:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:44:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 10:44:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-26 10:44:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 10:44:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-26 10:44:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-26 10:44:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-26 10:44:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-26 10:44:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:44:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:44:21,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:21,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016222496] [2023-11-26 10:44:21,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016222496] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:21,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9048712] [2023-11-26 10:44:21,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:44:21,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:21,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:21,891 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:21,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:44:21,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:44:21,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:44:21,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 10:44:21,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:44:22,117 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:44:22,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9048712] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:22,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:22,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2023-11-26 10:44:22,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033265122] [2023-11-26 10:44:22,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:22,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-26 10:44:22,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:22,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-26 10:44:22,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-11-26 10:44:22,386 INFO L87 Difference]: Start difference. First operand 115 states and 157 transitions. Second operand has 22 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 22 states have internal predecessors, (69), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2023-11-26 10:44:22,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:22,930 INFO L93 Difference]: Finished difference Result 308 states and 425 transitions. [2023-11-26 10:44:22,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-26 10:44:22,930 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 22 states have internal predecessors, (69), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 113 [2023-11-26 10:44:22,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:22,935 INFO L225 Difference]: With dead ends: 308 [2023-11-26 10:44:22,935 INFO L226 Difference]: Without dead ends: 307 [2023-11-26 10:44:22,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=474, Invalid=1008, Unknown=0, NotChecked=0, Total=1482 [2023-11-26 10:44:22,937 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 155 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:22,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 166 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:44:22,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-11-26 10:44:22,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 216. [2023-11-26 10:44:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 137 states have (on average 1.1824817518248176) internal successors, (162), 142 states have internal predecessors, (162), 72 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-26 10:44:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2023-11-26 10:44:22,974 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 113 [2023-11-26 10:44:22,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:22,978 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2023-11-26 10:44:22,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 22 states have internal predecessors, (69), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2023-11-26 10:44:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2023-11-26 10:44:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-26 10:44:22,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:22,986 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:22,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:23,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:23,193 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:23,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:23,193 INFO L85 PathProgramCache]: Analyzing trace with hash 608044223, now seen corresponding path program 2 times [2023-11-26 10:44:23,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:23,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79077338] [2023-11-26 10:44:23,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:23,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 10:44:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 10:44:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:44:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:44:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 10:44:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-26 10:44:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 10:44:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-26 10:44:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-26 10:44:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-26 10:44:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-26 10:44:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:44:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-26 10:44:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-26 10:44:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-26 10:44:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-26 10:44:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2023-11-26 10:44:23,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:23,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79077338] [2023-11-26 10:44:23,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79077338] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:23,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326433303] [2023-11-26 10:44:23,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:44:23,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:23,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:23,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:23,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 10:44:23,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:44:23,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:44:23,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 10:44:23,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:44:23,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:44:23,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326433303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:23,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:44:23,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2023-11-26 10:44:23,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277971089] [2023-11-26 10:44:23,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:23,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 10:44:23,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:23,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 10:44:23,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2023-11-26 10:44:23,947 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-26 10:44:24,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:24,156 INFO L93 Difference]: Finished difference Result 231 states and 324 transitions. [2023-11-26 10:44:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-26 10:44:24,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 134 [2023-11-26 10:44:24,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:24,159 INFO L225 Difference]: With dead ends: 231 [2023-11-26 10:44:24,160 INFO L226 Difference]: Without dead ends: 229 [2023-11-26 10:44:24,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2023-11-26 10:44:24,161 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 32 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:24,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 415 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:44:24,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-11-26 10:44:24,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2023-11-26 10:44:24,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 142 states have (on average 1.1830985915492958) internal successors, (168), 147 states have internal predecessors, (168), 76 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-26 10:44:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 320 transitions. [2023-11-26 10:44:24,192 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 320 transitions. Word has length 134 [2023-11-26 10:44:24,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:24,193 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 320 transitions. [2023-11-26 10:44:24,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-26 10:44:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 320 transitions. [2023-11-26 10:44:24,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 10:44:24,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:24,195 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:24,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:24,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:24,402 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:24,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:24,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1669501810, now seen corresponding path program 1 times [2023-11-26 10:44:24,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:24,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980600513] [2023-11-26 10:44:24,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:24,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 10:44:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 10:44:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:44:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:44:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 10:44:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-26 10:44:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 10:44:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-26 10:44:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-26 10:44:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-26 10:44:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-26 10:44:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:44:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-26 10:44:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-26 10:44:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-26 10:44:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-26 10:44:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:44:24,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:24,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980600513] [2023-11-26 10:44:24,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980600513] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:24,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132690539] [2023-11-26 10:44:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:24,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:24,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:24,725 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:24,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 10:44:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:24,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 10:44:24,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 10 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:44:25,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 10 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:44:25,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132690539] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:25,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:25,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 22 [2023-11-26 10:44:25,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812829409] [2023-11-26 10:44:25,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:25,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-26 10:44:25,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:25,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-26 10:44:25,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2023-11-26 10:44:25,336 INFO L87 Difference]: Start difference. First operand 225 states and 320 transitions. Second operand has 23 states, 22 states have (on average 3.909090909090909) internal successors, (86), 23 states have internal predecessors, (86), 12 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 12 states have call predecessors, (48), 12 states have call successors, (48) [2023-11-26 10:44:25,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:25,801 INFO L93 Difference]: Finished difference Result 277 states and 389 transitions. [2023-11-26 10:44:25,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-26 10:44:25,801 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 3.909090909090909) internal successors, (86), 23 states have internal predecessors, (86), 12 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 12 states have call predecessors, (48), 12 states have call successors, (48) Word has length 135 [2023-11-26 10:44:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:25,805 INFO L225 Difference]: With dead ends: 277 [2023-11-26 10:44:25,805 INFO L226 Difference]: Without dead ends: 275 [2023-11-26 10:44:25,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 293 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=499, Invalid=1307, Unknown=0, NotChecked=0, Total=1806 [2023-11-26 10:44:25,807 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 133 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:25,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 164 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:44:25,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2023-11-26 10:44:25,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 223. [2023-11-26 10:44:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 142 states have (on average 1.1619718309859155) internal successors, (165), 145 states have internal predecessors, (165), 76 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-26 10:44:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 317 transitions. [2023-11-26 10:44:25,851 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 317 transitions. Word has length 135 [2023-11-26 10:44:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:25,851 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 317 transitions. [2023-11-26 10:44:25,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.909090909090909) internal successors, (86), 23 states have internal predecessors, (86), 12 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 12 states have call predecessors, (48), 12 states have call successors, (48) [2023-11-26 10:44:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 317 transitions. [2023-11-26 10:44:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-26 10:44:25,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:25,854 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:25,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:26,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 10:44:26,061 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:26,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:26,062 INFO L85 PathProgramCache]: Analyzing trace with hash 493004375, now seen corresponding path program 1 times [2023-11-26 10:44:26,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:26,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552802129] [2023-11-26 10:44:26,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:26,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 10:44:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 10:44:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:44:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:44:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 10:44:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-26 10:44:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 10:44:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-26 10:44:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-26 10:44:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-26 10:44:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-26 10:44:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:44:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-26 10:44:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-26 10:44:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-26 10:44:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-26 10:44:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2023-11-26 10:44:26,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:26,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552802129] [2023-11-26 10:44:26,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552802129] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:26,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985033001] [2023-11-26 10:44:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:26,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:26,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:26,526 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:26,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 10:44:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:26,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-26 10:44:26,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 70 proven. 10 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:44:26,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 20 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-26 10:44:27,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985033001] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:27,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:27,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 31 [2023-11-26 10:44:27,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510061620] [2023-11-26 10:44:27,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:27,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-11-26 10:44:27,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:27,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-26 10:44:27,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=778, Unknown=0, NotChecked=0, Total=992 [2023-11-26 10:44:27,243 INFO L87 Difference]: Start difference. First operand 223 states and 317 transitions. Second operand has 32 states, 31 states have (on average 3.3870967741935485) internal successors, (105), 32 states have internal predecessors, (105), 11 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 11 states have call predecessors, (48), 11 states have call successors, (48) [2023-11-26 10:44:27,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:27,868 INFO L93 Difference]: Finished difference Result 223 states and 317 transitions. [2023-11-26 10:44:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-26 10:44:27,869 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.3870967741935485) internal successors, (105), 32 states have internal predecessors, (105), 11 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 11 states have call predecessors, (48), 11 states have call successors, (48) Word has length 140 [2023-11-26 10:44:27,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:27,871 INFO L225 Difference]: With dead ends: 223 [2023-11-26 10:44:27,871 INFO L226 Difference]: Without dead ends: 220 [2023-11-26 10:44:27,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=607, Invalid=1843, Unknown=0, NotChecked=0, Total=2450 [2023-11-26 10:44:27,874 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 43 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:27,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 333 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:44:27,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-26 10:44:27,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 165. [2023-11-26 10:44:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 107 states have (on average 1.074766355140187) internal successors, (115), 107 states have internal predecessors, (115), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-26 10:44:27,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 227 transitions. [2023-11-26 10:44:27,904 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 227 transitions. Word has length 140 [2023-11-26 10:44:27,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:27,906 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 227 transitions. [2023-11-26 10:44:27,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.3870967741935485) internal successors, (105), 32 states have internal predecessors, (105), 11 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 11 states have call predecessors, (48), 11 states have call successors, (48) [2023-11-26 10:44:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2023-11-26 10:44:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-11-26 10:44:27,912 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:27,912 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2023-11-26 10:44:27,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:28,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:28,119 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-26 10:44:28,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:28,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1805592554, now seen corresponding path program 3 times [2023-11-26 10:44:28,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:28,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877064188] [2023-11-26 10:44:28,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:28,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:44:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:44:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 10:44:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 10:44:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:44:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:44:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 10:44:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-26 10:44:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 10:44:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-26 10:44:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-26 10:44:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-26 10:44:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-26 10:44:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:44:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 10:44:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-26 10:44:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-26 10:44:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-26 10:44:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-26 10:44:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-26 10:44:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-26 10:44:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-26 10:44:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-26 10:44:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-26 10:44:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-26 10:44:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-26 10:44:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-26 10:44:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-26 10:44:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-26 10:44:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-26 10:44:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-26 10:44:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-26 10:44:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-26 10:44:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-26 10:44:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-26 10:44:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-26 10:44:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-11-26 10:44:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-26 10:44:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3645 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-11-26 10:44:29,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:29,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877064188] [2023-11-26 10:44:29,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877064188] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:29,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40210727] [2023-11-26 10:44:29,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 10:44:29,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:29,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:29,215 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:29,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 10:44:29,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-26 10:44:29,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:44:29,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:44:29,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3645 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 3489 trivial. 0 not checked. [2023-11-26 10:44:29,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:29,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3645 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 3489 trivial. 0 not checked. [2023-11-26 10:44:29,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40210727] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:29,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:29,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 5, 5] total 29 [2023-11-26 10:44:29,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95456140] [2023-11-26 10:44:29,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:29,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-26 10:44:29,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:29,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-26 10:44:29,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2023-11-26 10:44:29,644 INFO L87 Difference]: Start difference. First operand 165 states and 227 transitions. Second operand has 30 states, 29 states have (on average 3.3448275862068964) internal successors, (97), 28 states have internal predecessors, (97), 13 states have call successors, (46), 1 states have call predecessors, (46), 2 states have return successors, (48), 13 states have call predecessors, (48), 13 states have call successors, (48) [2023-11-26 10:44:30,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:30,360 INFO L93 Difference]: Finished difference Result 197 states and 271 transitions. [2023-11-26 10:44:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-26 10:44:30,361 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.3448275862068964) internal successors, (97), 28 states have internal predecessors, (97), 13 states have call successors, (46), 1 states have call predecessors, (46), 2 states have return successors, (48), 13 states have call predecessors, (48), 13 states have call successors, (48) Word has length 275 [2023-11-26 10:44:30,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:30,362 INFO L225 Difference]: With dead ends: 197 [2023-11-26 10:44:30,362 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:44:30,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=520, Invalid=1550, Unknown=0, NotChecked=0, Total=2070 [2023-11-26 10:44:30,368 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 121 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:30,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 131 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:44:30,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:44:30,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:44:30,369 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) [2023-11-26 10:44:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:44:30,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 275 [2023-11-26 10:44:30,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:30,370 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:44:30,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.3448275862068964) internal successors, (97), 28 states have internal predecessors, (97), 13 states have call successors, (46), 1 states have call predecessors, (46), 2 states have return successors, (48), 13 states have call predecessors, (48), 13 states have call successors, (48) [2023-11-26 10:44:30,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:44:30,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:44:30,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2023-11-26 10:44:30,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2023-11-26 10:44:30,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2023-11-26 10:44:30,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2023-11-26 10:44:30,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2023-11-26 10:44:30,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2023-11-26 10:44:30,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2023-11-26 10:44:30,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2023-11-26 10:44:30,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2023-11-26 10:44:30,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2023-11-26 10:44:30,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2023-11-26 10:44:30,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2023-11-26 10:44:30,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:44:30,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-26 10:44:30,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:44:31,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2023-11-26 10:44:31,970 INFO L899 garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed. [2023-11-26 10:44:31,970 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2023-11-26 10:44:31,970 INFO L895 garLoopResultBuilder]: At program point L23-1(line 23) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 7) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|)) [2023-11-26 10:44:31,971 INFO L895 garLoopResultBuilder]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse0 (= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 2)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_~j~0#1| 1)) (and (<= |ULTIMATE.start_main_~i~0#1| 7) (<= 4 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|)) (and (= 3 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 3)))) [2023-11-26 10:44:31,971 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-26 10:44:31,971 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-26 10:44:31,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2023-11-26 10:44:31,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-26 10:44:31,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2023-11-26 10:44:31,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2023-11-26 10:44:31,972 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2023-11-26 10:44:31,972 INFO L895 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: (and (<= 4 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 7) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|)) [2023-11-26 10:44:31,972 INFO L895 garLoopResultBuilder]: At program point L28-2(line 28) the Hoare annotation is: (and (<= 4 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 7) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|)) [2023-11-26 10:44:31,972 INFO L895 garLoopResultBuilder]: At program point L24(lines 18 25) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~j~0#1| 0)) (.cse0 (<= 1 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse0 (= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 2)) (and (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_main_~j~0#1| 1)) (and (<= |ULTIMATE.start_main_~i~0#1| 7) (<= 4 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| (+ 3 |ULTIMATE.start_main_~j~0#1|)) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|)) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse1) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 3) .cse1) (and (= 3 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 3)))) [2023-11-26 10:44:31,972 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-26 10:44:31,972 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2023-11-26 10:44:31,973 INFO L895 garLoopResultBuilder]: At program point L16-2(lines 16 31) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 4))) [2023-11-26 10:44:31,973 INFO L899 garLoopResultBuilder]: For program point L16-3(lines 16 31) no Hoare annotation was computed. [2023-11-26 10:44:31,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2023-11-26 10:44:31,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2023-11-26 10:44:31,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:44:31,977 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2023-11-26 10:44:31,977 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2023-11-26 10:44:31,977 INFO L895 garLoopResultBuilder]: At program point L21(line 21) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 7) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|)) [2023-11-26 10:44:31,978 INFO L895 garLoopResultBuilder]: At program point L21-1(line 21) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 7) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|)) [2023-11-26 10:44:31,978 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2023-11-26 10:44:31,978 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:44:31,978 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2023-11-26 10:44:31,978 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2023-11-26 10:44:31,978 INFO L899 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2023-11-26 10:44:31,979 INFO L899 garLoopResultBuilder]: For program point L30-2(line 30) no Hoare annotation was computed. [2023-11-26 10:44:31,979 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (and (<= 4 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 7) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|)) [2023-11-26 10:44:31,979 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2023-11-26 10:44:31,979 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 18 25) the Hoare annotation is: (and (<= 4 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 7) (<= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1|)) [2023-11-26 10:44:31,979 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2023-11-26 10:44:31,980 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-26 10:44:31,980 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-11-26 10:44:31,980 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-11-26 10:44:31,980 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-11-26 10:44:31,981 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2023-11-26 10:44:31,981 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed. [2023-11-26 10:44:31,981 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2023-11-26 10:44:31,985 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:31,987 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:44:32,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:44:32 BoogieIcfgContainer [2023-11-26 10:44:32,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:44:32,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:44:32,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:44:32,005 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:44:32,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:16" (3/4) ... [2023-11-26 10:44:32,007 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:44:32,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-26 10:44:32,020 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-26 10:44:32,021 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 10:44:32,021 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:44:32,021 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:44:32,154 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:44:32,155 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:44:32,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:44:32,155 INFO L158 Benchmark]: Toolchain (without parser) took 16588.19ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 108.4MB in the beginning and 203.6MB in the end (delta: -95.2MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-26 10:44:32,156 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 109.1MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:44:32,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.03ms. Allocated memory is still 144.7MB. Free memory was 108.4MB in the beginning and 97.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:44:32,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.80ms. Allocated memory is still 144.7MB. Free memory was 97.8MB in the beginning and 96.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:44:32,158 INFO L158 Benchmark]: Boogie Preprocessor took 50.92ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 94.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:44:32,159 INFO L158 Benchmark]: RCFGBuilder took 421.84ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 106.9MB in the end (delta: -12.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:44:32,160 INFO L158 Benchmark]: TraceAbstraction took 15654.70ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 106.4MB in the beginning and 207.8MB in the end (delta: -101.3MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. [2023-11-26 10:44:32,160 INFO L158 Benchmark]: Witness Printer took 150.63ms. Allocated memory is still 251.7MB. Free memory was 207.8MB in the beginning and 203.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:44:32,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44ms. Allocated memory is still 109.1MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.03ms. Allocated memory is still 144.7MB. Free memory was 108.4MB in the beginning and 97.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.80ms. Allocated memory is still 144.7MB. Free memory was 97.8MB in the beginning and 96.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.92ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 94.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.84ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 106.9MB in the end (delta: -12.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 15654.70ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 106.4MB in the beginning and 207.8MB in the end (delta: -101.3MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. * Witness Printer took 150.63ms. Allocated memory is still 251.7MB. Free memory was 207.8MB in the beginning and 203.6MB 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 15, TraceHistogramMax: 40, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 812 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 742 mSDsluCounter, 2341 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1836 mSDsCounter, 204 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2076 IncrementalHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 204 mSolverCounterUnsat, 505 mSDtfsCounter, 2076 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2371 GetRequests, 2098 SyntacticMatches, 12 SemanticMatches, 261 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1772 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=12, InterpolantAutomatonStates: 190, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 330 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 132 PreInvPairs, 217 NumberOfFragments, 185 HoareAnnotationTreeSize, 132 FomulaSimplifications, 11618 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 11 FomulaSimplificationsInter, 1307 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 2116 NumberOfCodeBlocks, 1893 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2933 ConstructedInterpolants, 0 QuantifiedInterpolants, 5238 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1646 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 31 InterpolantComputations, 8 PerfectInterpolantSequences, 20034/21208 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 12 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ((i == 0) || ((1 <= i) && (i <= 4))) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((((1 <= j) && (2 == i)) && (j <= 2)) || ((i == 1) && (j == 1))) || ((((i <= 7) && (4 <= i)) && (i <= (3 + j))) && (j <= i))) || ((i == 0) && (j == 0))) || (((1 <= i) && (i <= 3)) && (j == 0))) || (((3 == i) && (1 <= j)) && (j <= 3))) RESULT: Ultimate proved your program to be correct! [2023-11-26 10:44:32,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787d35e-cc33-4b8e-afa0-f6e2019ed1e6/bin/uautomizer-verify-VRDe98Ueme/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