./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/vnew2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/vnew2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6cb26fc448cefa547e2463448c16c0efba841bf620bbd2ba420ae15e288e3a3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:33,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:33,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:11:33,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:33,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:33,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:33,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:33,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:33,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:33,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:33,592 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:33,593 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:33,594 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:33,595 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:33,596 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:33,596 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:33,597 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:33,597 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:33,598 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:33,598 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:33,599 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:33,600 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:33,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:33,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:33,602 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:33,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:33,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:33,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:33,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:33,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:33,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:33,606 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:33,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:33,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:33,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:33,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:33,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:33,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:33,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:33,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:33,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:33,609 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:33,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:33,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:33,611 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:33,611 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:33,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:33,611 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cb26fc448cefa547e2463448c16c0efba841bf620bbd2ba420ae15e288e3a3f [2023-11-23 21:11:33,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:34,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:34,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:34,006 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:34,007 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:34,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/loops-crafted-1/vnew2.c [2023-11-23 21:11:37,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:37,357 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:37,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/sv-benchmarks/c/loops-crafted-1/vnew2.c [2023-11-23 21:11:37,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/data/2cbaca91c/ffca0c1c8add4bcba69e4a8d991e76d3/FLAG8dad4c2f7 [2023-11-23 21:11:37,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/data/2cbaca91c/ffca0c1c8add4bcba69e4a8d991e76d3 [2023-11-23 21:11:37,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:37,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:37,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:37,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:37,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:37,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f60cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37, skipping insertion in model container [2023-11-23 21:11:37,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:37,614 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/sv-benchmarks/c/loops-crafted-1/vnew2.c[403,416] [2023-11-23 21:11:37,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:37,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:37,652 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/sv-benchmarks/c/loops-crafted-1/vnew2.c[403,416] [2023-11-23 21:11:37,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:37,671 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:37,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37 WrapperNode [2023-11-23 21:11:37,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:37,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:37,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:37,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:37,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,705 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-23 21:11:37,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:37,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:37,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:37,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:37,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:37,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:37,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:37,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:37,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (1/1) ... [2023-11-23 21:11:37,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:37,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:37,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:37,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:37,904 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:37,906 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:38,044 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:38,072 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:38,072 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:38,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:38 BoogieIcfgContainer [2023-11-23 21:11:38,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:38,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:38,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:38,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:38,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:37" (1/3) ... [2023-11-23 21:11:38,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fc8cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:38, skipping insertion in model container [2023-11-23 21:11:38,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:37" (2/3) ... [2023-11-23 21:11:38,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fc8cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:38, skipping insertion in model container [2023-11-23 21:11:38,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:38" (3/3) ... [2023-11-23 21:11:38,085 INFO L112 eAbstractionObserver]: Analyzing ICFG vnew2.c [2023-11-23 21:11:38,101 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:38,102 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:38,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:38,152 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68c64b62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:38,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:38,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 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) [2023-11-23 21:11:38,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 21:11:38,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:38,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 21:11:38,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:38,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:38,171 INFO L85 PathProgramCache]: Analyzing trace with hash 2069066476, now seen corresponding path program 1 times [2023-11-23 21:11:38,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:38,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273955473] [2023-11-23 21:11:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:38,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:38,299 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:11:38,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1770010635] [2023-11-23 21:11:38,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:38,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:11:38,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:38,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:11:38,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:11:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:38,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:11:38,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:11:38,542 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:11:38,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:38,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273955473] [2023-11-23 21:11:38,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:11:38,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770010635] [2023-11-23 21:11:38,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770010635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:38,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:38,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:11:38,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928115275] [2023-11-23 21:11:38,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:38,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:11:38,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:38,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:11:38,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:11:38,588 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) 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) [2023-11-23 21:11:38,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:38,683 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2023-11-23 21:11:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:11:38,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) 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 [2023-11-23 21:11:38,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:38,692 INFO L225 Difference]: With dead ends: 24 [2023-11-23 21:11:38,692 INFO L226 Difference]: Without dead ends: 8 [2023-11-23 21:11:38,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:11:38,698 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:38,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 20 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:11:38,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-23 21:11:38,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-23 21:11:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:11:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-23 21:11:38,735 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2023-11-23 21:11:38,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:38,736 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-23 21:11:38,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) 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) [2023-11-23 21:11:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-23 21:11:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:11:38,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:38,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:38,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:11:38,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:11:38,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:38,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:38,947 INFO L85 PathProgramCache]: Analyzing trace with hash -307761058, now seen corresponding path program 1 times [2023-11-23 21:11:38,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:38,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073948418] [2023-11-23 21:11:38,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:38,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:38,983 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:11:38,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520335936] [2023-11-23 21:11:38,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:38,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:11:38,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:38,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:11:39,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:11:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:39,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 21:11:39,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:39,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:11:39,363 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:11:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:11:39,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:39,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073948418] [2023-11-23 21:11:39,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:11:39,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520335936] [2023-11-23 21:11:39,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520335936] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:11:39,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [332409902] [2023-11-23 21:11:39,737 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2023-11-23 21:11:39,738 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:11:39,742 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:11:39,748 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:11:39,749 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:11:40,218 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:11:40,631 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '118#(and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= (mod |ULTIMATE.start_main_~n~0#1| 4294967296) (mod |ULTIMATE.start_main_~i~0#1| 4294967296)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 1 (mod |ULTIMATE.start_main_~n~0#1| 4294967296)) (= ~SIZE~0 20000001) (or (not (= (mod |ULTIMATE.start_main_~j~0#1| 4294967296) (mod |ULTIMATE.start_main_~k~0#1| 4294967296))) (not (= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod |ULTIMATE.start_main_~j~0#1| 4294967296))) (= 0 (mod (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 20000003))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-23 21:11:40,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:11:40,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:11:40,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-23 21:11:40,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397814206] [2023-11-23 21:11:40,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:11:40,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:11:40,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:40,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:11:40,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:11:40,635 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 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) [2023-11-23 21:11:43,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-23 21:11:44,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:44,662 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-23 21:11:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:11:44,664 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 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 7 [2023-11-23 21:11:44,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:44,664 INFO L225 Difference]: With dead ends: 19 [2023-11-23 21:11:44,664 INFO L226 Difference]: Without dead ends: 11 [2023-11-23 21:11:44,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2023-11-23 21:11:44,667 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 22 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:44,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 9 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-11-23 21:11:44,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-23 21:11:44,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-23 21:11:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-23 21:11:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-23 21:11:44,678 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-23 21:11:44,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:44,681 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-23 21:11:44,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 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) [2023-11-23 21:11:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-23 21:11:44,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 21:11:44,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:44,686 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:44,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:11:44,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:11:44,907 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:44,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:44,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1421852820, now seen corresponding path program 2 times [2023-11-23 21:11:44,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:44,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231007833] [2023-11-23 21:11:44,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:44,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:44,929 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:11:44,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313496412] [2023-11-23 21:11:44,934 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 21:11:44,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:11:44,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:44,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:11:44,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:11:45,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-23 21:11:45,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:11:45,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-23 21:11:45,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:11:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:11:45,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:11:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:11:46,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:46,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231007833] [2023-11-23 21:11:46,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:11:46,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313496412] [2023-11-23 21:11:46,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313496412] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:11:46,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1873679443] [2023-11-23 21:11:46,410 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2023-11-23 21:11:46,410 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:11:46,410 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:11:46,411 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:11:46,411 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:11:46,610 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:11:47,226 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '245#(and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= (mod |ULTIMATE.start_main_~n~0#1| 4294967296) (mod |ULTIMATE.start_main_~i~0#1| 4294967296)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 1 (mod |ULTIMATE.start_main_~n~0#1| 4294967296)) (= ~SIZE~0 20000001) (or (not (= (mod |ULTIMATE.start_main_~j~0#1| 4294967296) (mod |ULTIMATE.start_main_~k~0#1| 4294967296))) (not (= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod |ULTIMATE.start_main_~j~0#1| 4294967296))) (= 0 (mod (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 20000003))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-23 21:11:47,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:11:47,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:11:47,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-11-23 21:11:47,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564805371] [2023-11-23 21:11:47,227 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:11:47,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-23 21:11:47,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:47,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-23 21:11:47,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:11:47,229 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:12:14,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:14,473 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2023-11-23 21:12:14,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 21:12:14,474 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-23 21:12:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:14,475 INFO L225 Difference]: With dead ends: 31 [2023-11-23 21:12:14,475 INFO L226 Difference]: Without dead ends: 17 [2023-11-23 21:12:14,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 27.4s TimeCoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2023-11-23 21:12:14,477 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 48 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:14,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 13 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 21:12:14,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-11-23 21:12:14,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-23 21:12:14,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 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) [2023-11-23 21:12:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2023-11-23 21:12:14,486 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2023-11-23 21:12:14,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:14,487 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2023-11-23 21:12:14,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:12:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2023-11-23 21:12:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 21:12:14,488 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:14,488 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:14,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:14,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:14,723 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:14,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:14,723 INFO L85 PathProgramCache]: Analyzing trace with hash 655374892, now seen corresponding path program 3 times [2023-11-23 21:12:14,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:14,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832318148] [2023-11-23 21:12:14,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:14,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:14,758 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:12:14,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074628133] [2023-11-23 21:12:14,758 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-23 21:12:14,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:14,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:14,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:12:14,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:12:14,863 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-23 21:12:14,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 21:12:14,868 WARN L260 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-23 21:12:14,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:12:15,277 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:12:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:12:17,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:17,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832318148] [2023-11-23 21:12:17,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:12:17,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074628133] [2023-11-23 21:12:17,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074628133] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:12:17,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [485942424] [2023-11-23 21:12:17,453 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2023-11-23 21:12:17,453 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:12:17,453 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:12:17,454 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:12:17,454 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:12:17,662 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:12:18,405 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '461#(and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= (mod |ULTIMATE.start_main_~n~0#1| 4294967296) (mod |ULTIMATE.start_main_~i~0#1| 4294967296)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 1 (mod |ULTIMATE.start_main_~n~0#1| 4294967296)) (= ~SIZE~0 20000001) (or (not (= (mod |ULTIMATE.start_main_~j~0#1| 4294967296) (mod |ULTIMATE.start_main_~k~0#1| 4294967296))) (not (= (mod |ULTIMATE.start_main_~i~0#1| 4294967296) (mod |ULTIMATE.start_main_~j~0#1| 4294967296))) (= 0 (mod (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 20000003))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-11-23 21:12:18,405 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:12:18,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:12:18,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2023-11-23 21:12:18,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813024448] [2023-11-23 21:12:18,406 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 21:12:18,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-23 21:12:18,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:18,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-23 21:12:18,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=872, Unknown=0, NotChecked=0, Total=1122 [2023-11-23 21:12:18,409 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 29 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 28 states have internal predecessors, (30), 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) [2023-11-23 21:12:20,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:20,628 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2023-11-23 21:12:20,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 21:12:20,629 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 28 states have internal predecessors, (30), 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 16 [2023-11-23 21:12:20,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:20,629 INFO L225 Difference]: With dead ends: 20 [2023-11-23 21:12:20,629 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:12:20,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=269, Invalid=921, Unknown=0, NotChecked=0, Total=1190 [2023-11-23 21:12:20,632 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:20,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:12:20,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:12:20,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:12:20,634 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) [2023-11-23 21:12:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:12:20,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2023-11-23 21:12:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:20,635 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:12:20,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 28 states have internal predecessors, (30), 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) [2023-11-23 21:12:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:12:20,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:12:20,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:12:20,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:20,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:20,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:12:20,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:12:20,972 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-23 21:12:20,973 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: (let ((.cse0 (= ~SIZE~0 20000001))) (or (and (= |ULTIMATE.start_main_~i~0#1| 15) (= |ULTIMATE.start_main_~j~0#1| 15) .cse0 (= |ULTIMATE.start_main_~k~0#1| 15)) (and (= 9 |ULTIMATE.start_main_~i~0#1|) .cse0 (= 9 |ULTIMATE.start_main_~j~0#1|) (= 9 |ULTIMATE.start_main_~k~0#1|)) (and (= 6 |ULTIMATE.start_main_~j~0#1|) (= 6 |ULTIMATE.start_main_~k~0#1|) .cse0 (= 6 |ULTIMATE.start_main_~i~0#1|)) (and (= |ULTIMATE.start_main_~k~0#1| 27) (= |ULTIMATE.start_main_~j~0#1| 27) (= |ULTIMATE.start_main_~i~0#1| 27) .cse0) (and (= |ULTIMATE.start_main_~k~0#1| 24) (= |ULTIMATE.start_main_~i~0#1| 24) .cse0 (= |ULTIMATE.start_main_~j~0#1| 24)) (and .cse0 (= |ULTIMATE.start_main_~j~0#1| 18) (= |ULTIMATE.start_main_~i~0#1| 18) (= |ULTIMATE.start_main_~k~0#1| 18)) (and (= 3 |ULTIMATE.start_main_~i~0#1|) (= 3 |ULTIMATE.start_main_~j~0#1|) .cse0 (= 3 |ULTIMATE.start_main_~k~0#1|)) (and (= |ULTIMATE.start_main_~i~0#1| 12) (= |ULTIMATE.start_main_~j~0#1| 12) .cse0 (= |ULTIMATE.start_main_~k~0#1| 12)) (and (= 21 |ULTIMATE.start_main_~i~0#1|) (= 21 |ULTIMATE.start_main_~j~0#1|) (= 21 |ULTIMATE.start_main_~k~0#1|) .cse0) (and (<= 28 (mod |ULTIMATE.start_main_~n~0#1| 4294967296)) (= 30 |ULTIMATE.start_main_~i~0#1|) (= 30 |ULTIMATE.start_main_~k~0#1|) (= 30 |ULTIMATE.start_main_~j~0#1|) .cse0) (and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~k~0#1| 0) .cse0 (= |ULTIMATE.start_main_~j~0#1| 0)))) [2023-11-23 21:12:20,973 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 16 29) no Hoare annotation was computed. [2023-11-23 21:12:20,973 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:12:20,973 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 16 29) no Hoare annotation was computed. [2023-11-23 21:12:20,973 INFO L899 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2023-11-23 21:12:20,974 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 8 13) no Hoare annotation was computed. [2023-11-23 21:12:20,974 INFO L899 garLoopResultBuilder]: For program point L26-1(lines 26 27) no Hoare annotation was computed. [2023-11-23 21:12:20,974 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2023-11-23 21:12:20,975 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2023-11-23 21:12:20,978 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-23 21:12:20,980 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:12:21,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:21 BoogieIcfgContainer [2023-11-23 21:12:21,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:12:21,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:12:21,009 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:12:21,009 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:12:21,010 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:38" (3/4) ... [2023-11-23 21:12:21,012 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:12:21,021 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-23 21:12:21,021 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 21:12:21,022 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 21:12:21,022 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:12:21,022 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:12:21,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:12:21,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:12:21,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:12:21,112 INFO L158 Benchmark]: Toolchain (without parser) took 43720.99ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 147.1MB in the beginning and 103.0MB in the end (delta: 44.1MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2023-11-23 21:12:21,113 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 184.5MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:21,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.10ms. Allocated memory is still 184.5MB. Free memory was 147.1MB in the beginning and 135.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:12:21,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.12ms. Allocated memory is still 184.5MB. Free memory was 135.9MB in the beginning and 134.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:21,114 INFO L158 Benchmark]: Boogie Preprocessor took 46.96ms. Allocated memory is still 184.5MB. Free memory was 134.5MB in the beginning and 133.8MB in the end (delta: 732.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:21,115 INFO L158 Benchmark]: RCFGBuilder took 320.61ms. Allocated memory is still 184.5MB. Free memory was 133.8MB in the beginning and 122.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:12:21,115 INFO L158 Benchmark]: TraceAbstraction took 42931.29ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 122.0MB in the beginning and 107.3MB in the end (delta: 14.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-23 21:12:21,116 INFO L158 Benchmark]: Witness Printer took 102.99ms. Allocated memory is still 222.3MB. Free memory was 107.3MB in the beginning and 103.0MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:12:21,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 184.5MB. Free memory is still 156.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.10ms. Allocated memory is still 184.5MB. Free memory was 147.1MB in the beginning and 135.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.12ms. Allocated memory is still 184.5MB. Free memory was 135.9MB in the beginning and 134.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.96ms. Allocated memory is still 184.5MB. Free memory was 134.5MB in the beginning and 133.8MB in the end (delta: 732.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.61ms. Allocated memory is still 184.5MB. Free memory was 133.8MB in the beginning and 122.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 42931.29ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 122.0MB in the beginning and 107.3MB in the end (delta: 14.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Witness Printer took 102.99ms. Allocated memory is still 222.3MB. Free memory was 107.3MB in the beginning and 103.0MB in the end (delta: 4.3MB). 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: 10]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.8s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 33.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 12 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 33.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=3, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 12 NumberOfFragments, 149 HoareAnnotationTreeSize, 1 FomulaSimplifications, 323 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 22 NumberOfNonLiveVariables, 325 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/132 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 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((((((((((((((i == 15) && (j == 15)) && (SIZE == 20000001)) && (k == 15)) || ((((9 == i) && (SIZE == 20000001)) && (9 == j)) && (9 == k))) || ((((6 == j) && (6 == k)) && (SIZE == 20000001)) && (6 == i))) || ((((k == 27) && (j == 27)) && (i == 27)) && (SIZE == 20000001))) || ((((k == 24) && (i == 24)) && (SIZE == 20000001)) && (j == 24))) || ((((SIZE == 20000001) && (j == 18)) && (i == 18)) && (k == 18))) || ((((3 == i) && (3 == j)) && (SIZE == 20000001)) && (3 == k))) || ((((i == 12) && (j == 12)) && (SIZE == 20000001)) && (k == 12))) || ((((21 == i) && (21 == j)) && (21 == k)) && (SIZE == 20000001))) || (((((28 <= (n % 4294967296)) && (30 == i)) && (30 == k)) && (30 == j)) && (SIZE == 20000001))) || ((((i == 0) && (k == 0)) && (SIZE == 20000001)) && (j == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:12:21,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_846b8889-4375-4b07-a074-640a963835cf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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