./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1972ee33272415a52c6f0d8a1f799e9d488ad771872c0cf36a214b07ea597fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:04,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:04,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:32:04,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:04,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:04,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:04,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:04,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:04,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:04,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:04,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:04,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:04,484 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:04,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:04,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:04,486 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:32:04,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:32:04,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:32:04,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:04,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:04,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:04,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:04,490 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:32:04,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:04,491 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:04,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:04,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:04,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:04,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:04,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:04,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:04,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:04,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:32:04,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:32:04,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:04,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:04,496 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:04,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:04,497 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:04,498 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_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1972ee33272415a52c6f0d8a1f799e9d488ad771872c0cf36a214b07ea597fd [2023-11-12 02:32:04,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:04,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:04,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:04,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:04,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:04,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c [2023-11-12 02:32:08,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:08,443 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:08,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c [2023-11-12 02:32:08,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/data/82e046941/6558ba5c54d44a32aa658d623ce3c3c4/FLAG5c8c2483c [2023-11-12 02:32:08,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/data/82e046941/6558ba5c54d44a32aa658d623ce3c3c4 [2023-11-12 02:32:08,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:08,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:08,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:08,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:08,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:08,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5d2cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08, skipping insertion in model container [2023-11-12 02:32:08,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:08,683 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_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c[318,331] [2023-11-12 02:32:08,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:08,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:08,720 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_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c[318,331] [2023-11-12 02:32:08,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:08,740 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:08,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08 WrapperNode [2023-11-12 02:32:08,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:08,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:08,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:08,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:08,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,780 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-11-12 02:32:08,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:08,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:08,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:08,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:08,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:08,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:08,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:08,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:08,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (1/1) ... [2023-11-12 02:32:08,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:08,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:08,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:08,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:32:08,975 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:08,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:32:09,096 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:32:09,102 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:32:09,103 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:32:09,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:09 BoogieIcfgContainer [2023-11-12 02:32:09,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:32:09,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:32:09,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:32:09,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:32:09,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:08" (1/3) ... [2023-11-12 02:32:09,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb11b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:09, skipping insertion in model container [2023-11-12 02:32:09,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:08" (2/3) ... [2023-11-12 02:32:09,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb11b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:09, skipping insertion in model container [2023-11-12 02:32:09,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:09" (3/3) ... [2023-11-12 02:32:09,115 INFO L112 eAbstractionObserver]: Analyzing ICFG mono-crafted_8.c [2023-11-12 02:32:09,139 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:32:09,139 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:32:09,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:32:09,193 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;@7c4e556d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:32:09,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:32:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:32:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 02:32:09,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:09,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:32:09,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:09,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:09,221 INFO L85 PathProgramCache]: Analyzing trace with hash 889968487, now seen corresponding path program 1 times [2023-11-12 02:32:09,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:09,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915985944] [2023-11-12 02:32:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:09,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:09,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:09,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915985944] [2023-11-12 02:32:09,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915985944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:09,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:09,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:09,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655573324] [2023-11-12 02:32:09,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:09,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:32:09,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:09,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:32:09,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:09,478 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2023-11-12 02:32:09,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:09,495 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2023-11-12 02:32:09,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:32:09,497 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2023-11-12 02:32:09,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:09,508 INFO L225 Difference]: With dead ends: 21 [2023-11-12 02:32:09,508 INFO L226 Difference]: Without dead ends: 9 [2023-11-12 02:32:09,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:09,517 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:09,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:09,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-12 02:32:09,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-12 02:32:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:32:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2023-11-12 02:32:09,555 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2023-11-12 02:32:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:09,556 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-12 02:32:09,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2023-11-12 02:32:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-11-12 02:32:09,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 02:32:09,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:09,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:32:09,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:32:09,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:09,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:09,561 INFO L85 PathProgramCache]: Analyzing trace with hash 889640786, now seen corresponding path program 1 times [2023-11-12 02:32:09,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:09,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628848365] [2023-11-12 02:32:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:09,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:09,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:09,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628848365] [2023-11-12 02:32:09,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628848365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:09,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:09,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:32:09,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54510791] [2023-11-12 02:32:09,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:09,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:32:09,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:09,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:32:09,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:09,861 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2023-11-12 02:32:09,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:09,898 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2023-11-12 02:32:09,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:09,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 [2023-11-12 02:32:09,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:09,900 INFO L225 Difference]: With dead ends: 19 [2023-11-12 02:32:09,900 INFO L226 Difference]: Without dead ends: 12 [2023-11-12 02:32:09,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:09,903 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:09,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:09,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-12 02:32:09,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-12 02:32:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) 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) [2023-11-12 02:32:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2023-11-12 02:32:09,909 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2023-11-12 02:32:09,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:09,910 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-11-12 02:32:09,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2023-11-12 02:32:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-11-12 02:32:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 02:32:09,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:09,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:09,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:32:09,912 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:09,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:09,913 INFO L85 PathProgramCache]: Analyzing trace with hash 641725625, now seen corresponding path program 1 times [2023-11-12 02:32:09,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:09,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284466184] [2023-11-12 02:32:09,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:09,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:10,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:10,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284466184] [2023-11-12 02:32:10,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284466184] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:32:10,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873568266] [2023-11-12 02:32:10,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:10,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:10,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:10,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:10,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:32:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:10,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:32:10,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:10,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:10,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873568266] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:32:10,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:32:10,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2023-11-12 02:32:10,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490602448] [2023-11-12 02:32:10,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:10,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:32:10,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:10,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:32:10,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:32:10,470 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2023-11-12 02:32:10,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:10,604 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2023-11-12 02:32:10,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:32:10,610 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-12 02:32:10,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:10,613 INFO L225 Difference]: With dead ends: 26 [2023-11-12 02:32:10,613 INFO L226 Difference]: Without dead ends: 19 [2023-11-12 02:32:10,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:32:10,619 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:10,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 14 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:32:10,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-12 02:32:10,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-12 02:32:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:32:10,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-12 02:32:10,633 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2023-11-12 02:32:10,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:10,633 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-12 02:32:10,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2023-11-12 02:32:10,634 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-11-12 02:32:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 02:32:10,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:10,635 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:10,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:10,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:10,852 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:10,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:10,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1171899538, now seen corresponding path program 2 times [2023-11-12 02:32:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:10,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073942963] [2023-11-12 02:32:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:10,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:11,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:11,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073942963] [2023-11-12 02:32:11,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073942963] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:32:11,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914715791] [2023-11-12 02:32:11,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:32:11,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:11,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:11,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:11,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:32:11,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 02:32:11,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:32:11,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 02:32:11,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:11,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:11,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914715791] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:32:11,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:32:11,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-11-12 02:32:11,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317763539] [2023-11-12 02:32:11,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:11,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-12 02:32:11,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:11,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-12 02:32:11,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2023-11-12 02:32:11,755 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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) [2023-11-12 02:32:12,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:12,714 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2023-11-12 02:32:12,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:32:12,714 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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 18 [2023-11-12 02:32:12,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:12,715 INFO L225 Difference]: With dead ends: 46 [2023-11-12 02:32:12,716 INFO L226 Difference]: Without dead ends: 37 [2023-11-12 02:32:12,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=162, Invalid=258, Unknown=0, NotChecked=0, Total=420 [2023-11-12 02:32:12,718 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 29 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:12,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 26 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:32:12,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-12 02:32:12,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-12 02:32:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 36 states have internal predecessors, (42), 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) [2023-11-12 02:32:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2023-11-12 02:32:12,730 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 18 [2023-11-12 02:32:12,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:12,731 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2023-11-12 02:32:12,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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) [2023-11-12 02:32:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-12 02:32:12,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-12 02:32:12,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:12,733 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:12,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:12,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:12,939 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:12,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:12,939 INFO L85 PathProgramCache]: Analyzing trace with hash -51731342, now seen corresponding path program 3 times [2023-11-12 02:32:12,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:12,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940416559] [2023-11-12 02:32:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:12,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:13,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:13,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940416559] [2023-11-12 02:32:13,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940416559] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:32:13,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386772828] [2023-11-12 02:32:13,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 02:32:13,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:13,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:13,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:13,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:32:13,697 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-12 02:32:13,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:32:13,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:32:13,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-12 02:32:13,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-12 02:32:14,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386772828] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:32:14,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:32:14,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 21 [2023-11-12 02:32:14,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746392875] [2023-11-12 02:32:14,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:14,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-12 02:32:14,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:14,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-12 02:32:14,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-12 02:32:14,261 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 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) [2023-11-12 02:32:14,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:14,928 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2023-11-12 02:32:14,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-12 02:32:14,929 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 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 36 [2023-11-12 02:32:14,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:14,930 INFO L225 Difference]: With dead ends: 71 [2023-11-12 02:32:14,930 INFO L226 Difference]: Without dead ends: 53 [2023-11-12 02:32:14,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=293, Invalid=829, Unknown=0, NotChecked=0, Total=1122 [2023-11-12 02:32:14,932 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 57 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:14,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 16 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:32:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-12 02:32:14,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2023-11-12 02:32:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 51 states have internal predecessors, (55), 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) [2023-11-12 02:32:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2023-11-12 02:32:14,945 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 36 [2023-11-12 02:32:14,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:14,945 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2023-11-12 02:32:14,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 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) [2023-11-12 02:32:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2023-11-12 02:32:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-12 02:32:14,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:14,947 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 3, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:14,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:15,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:15,154 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:15,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash -749374373, now seen corresponding path program 1 times [2023-11-12 02:32:15,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:15,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716736953] [2023-11-12 02:32:15,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:15,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 101 proven. 222 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 02:32:15,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:15,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716736953] [2023-11-12 02:32:15,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716736953] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:32:15,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201819085] [2023-11-12 02:32:15,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:15,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:15,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:15,691 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:15,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:32:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:15,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-12 02:32:15,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 29 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:15,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 29 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:16,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201819085] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:32:16,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:32:16,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 33 [2023-11-12 02:32:16,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105551247] [2023-11-12 02:32:16,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:16,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-12 02:32:16,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:16,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-12 02:32:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=740, Unknown=0, NotChecked=0, Total=1056 [2023-11-12 02:32:16,684 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 33 states have internal predecessors, (101), 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) [2023-11-12 02:32:46,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:46,321 INFO L93 Difference]: Finished difference Result 121 states and 145 transitions. [2023-11-12 02:32:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-12 02:32:46,322 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 33 states have internal predecessors, (101), 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 51 [2023-11-12 02:32:46,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:46,324 INFO L225 Difference]: With dead ends: 121 [2023-11-12 02:32:46,325 INFO L226 Difference]: Without dead ends: 106 [2023-11-12 02:32:46,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 29.8s TimeCoverageRelationStatistics Valid=777, Invalid=1384, Unknown=1, NotChecked=0, Total=2162 [2023-11-12 02:32:46,331 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 49 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:46,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 67 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:32:46,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-12 02:32:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2023-11-12 02:32:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.0380952380952382) internal successors, (109), 105 states have internal predecessors, (109), 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) [2023-11-12 02:32:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 109 transitions. [2023-11-12 02:32:46,405 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 109 transitions. Word has length 51 [2023-11-12 02:32:46,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:46,406 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 109 transitions. [2023-11-12 02:32:46,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.0606060606060606) internal successors, (101), 33 states have internal predecessors, (101), 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) [2023-11-12 02:32:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 109 transitions. [2023-11-12 02:32:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-12 02:32:46,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:46,416 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 30, 3, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:46,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:46,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-12 02:32:46,628 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:46,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:46,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1404636997, now seen corresponding path program 2 times [2023-11-12 02:32:46,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:46,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482302812] [2023-11-12 02:32:46,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 245 proven. 1365 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 02:32:48,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:48,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482302812] [2023-11-12 02:32:48,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482302812] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:32:48,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166907899] [2023-11-12 02:32:48,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:32:48,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:48,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:48,486 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:48,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bbaf399-2f6c-46c4-8e8d-43ecbf2c1850/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:32:48,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 02:32:48,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:32:48,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-12 02:32:48,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:49,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 245 proven. 1365 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 02:32:49,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:56,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:56,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166907899] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:32:56,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:32:56,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 34, 38] total 71 [2023-11-12 02:32:56,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28327823] [2023-11-12 02:32:56,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:56,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-11-12 02:32:56,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:56,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-11-12 02:32:56,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1230, Invalid=3740, Unknown=0, NotChecked=0, Total=4970 [2023-11-12 02:32:56,447 INFO L87 Difference]: Start difference. First operand 106 states and 109 transitions. Second operand has 71 states, 71 states have (on average 2.887323943661972) internal successors, (205), 71 states have internal predecessors, (205), 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) [2023-11-12 02:33:01,413 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse18 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (let ((.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 29) 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296)) (.cse15 (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296)) (.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse9 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse20 (mod (+ 23 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296)) (.cse19 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 25) 4294967296)) (.cse17 (< .cse18 5000000)) (.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296)) (.cse23 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296)) (.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 27) 4294967296)) (.cse7 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) (.cse28 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296)) (.cse22 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse27 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296)) (.cse31 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 30) 4294967296)) (.cse0 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse29 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296)) (.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296)) (.cse6 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296)) (.cse25 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) (.cse26 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296))) (and (or (< .cse0 5000000) (< .cse1 (+ .cse0 1))) (or (< .cse2 (+ .cse3 1)) (< .cse3 5000000)) (or (< .cse4 5000000) (< .cse5 (+ .cse4 1))) (or (< .cse6 (+ .cse7 1)) (< .cse7 5000000)) (or (< .cse8 5000000) (< .cse9 (+ .cse8 1))) (or (< .cse4 (+ .cse10 1)) (< .cse10 5000000)) (or (< .cse11 5000000) (< .cse12 (+ 1 .cse11))) (or (< .cse13 5000000) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 32) 4294967296) (+ .cse13 1))) (or (< .cse13 (+ .cse14 1)) (< .cse14 5000000)) (or (< .cse12 5000000) (< .cse15 (+ .cse12 1))) (or (< .cse16 (+ .cse15 1)) (< .cse15 5000000)) (or .cse17 (< .cse10 (+ .cse18 1))) (or (< .cse19 (+ .cse16 1)) (< .cse16 5000000)) (or (< .cse20 5000000) (< .cse14 (+ .cse20 1))) (let ((.cse21 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296))) (or (< .cse21 5000000) (< .cse8 (+ .cse21 1)))) (or (< .cse22 (+ .cse9 1)) (< .cse9 5000000)) (let ((.cse24 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296))) (or (< .cse23 (+ .cse24 1)) (< .cse24 5000000))) (or (< .cse25 5000000) (< .cse20 (+ .cse25 1))) (or (< .cse26 (+ .cse1 1)) (< .cse1 5000000)) (or (< .cse27 5000000) (< .cse28 (+ .cse27 1))) (or (< .cse29 (+ .cse19 1)) (< .cse19 5000000)) (or .cse17 (< .cse10 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (or (< .cse23 5000000) (< .cse30 (+ 1 .cse23))) (or (< .cse31 (+ .cse2 1)) (< .cse2 5000000)) (or (< .cse28 5000000) (< .cse7 (+ .cse28 1))) (or (< .cse22 5000000) (< .cse11 (+ .cse22 1))) (or (< .cse27 (+ .cse5 1)) (< .cse5 5000000)) (or (< .cse31 5000000) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 33) 4294967296) (+ .cse31 1))) (or (< .cse30 5000000) (< .cse0 (+ .cse30 1))) (or (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 31) 4294967296) (+ .cse29 1)) (< .cse29 5000000)) (or (< .cse6 5000000) (< .cse3 (+ .cse6 1))) (or (< .cse25 (+ .cse26 1)) (< .cse26 5000000))))) is different from false [2023-11-12 02:33:03,445 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 29) 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296)) (.cse15 (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296)) (.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse9 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse18 (mod (+ 23 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296)) (.cse17 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 25) 4294967296)) (.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296)) (.cse21 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296)) (.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 27) 4294967296)) (.cse7 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) (.cse26 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296)) (.cse20 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse25 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296)) (.cse29 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 30) 4294967296)) (.cse0 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse28 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse27 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296)) (.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296)) (.cse6 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296)) (.cse23 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) (.cse24 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296))) (and (or (< .cse0 5000000) (< .cse1 (+ .cse0 1))) (or (< .cse2 (+ .cse3 1)) (< .cse3 5000000)) (or (< .cse4 5000000) (< .cse5 (+ .cse4 1))) (or (< .cse6 (+ .cse7 1)) (< .cse7 5000000)) (or (< .cse8 5000000) (< .cse9 (+ .cse8 1))) (or (< .cse4 (+ .cse10 1)) (< .cse10 5000000)) (or (< .cse11 5000000) (< .cse12 (+ 1 .cse11))) (or (< .cse13 5000000) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 32) 4294967296) (+ .cse13 1))) (or (< .cse13 (+ .cse14 1)) (< .cse14 5000000)) (or (< .cse12 5000000) (< .cse15 (+ .cse12 1))) (or (< .cse16 (+ .cse15 1)) (< .cse15 5000000)) (or (< .cse17 (+ .cse16 1)) (< .cse16 5000000)) (or (< .cse18 5000000) (< .cse14 (+ .cse18 1))) (let ((.cse19 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296))) (or (< .cse19 5000000) (< .cse8 (+ .cse19 1)))) (or (< .cse20 (+ .cse9 1)) (< .cse9 5000000)) (let ((.cse22 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296))) (or (< .cse21 (+ .cse22 1)) (< .cse22 5000000))) (or (< .cse23 5000000) (< .cse18 (+ .cse23 1))) (or (< .cse24 (+ .cse1 1)) (< .cse1 5000000)) (or (< .cse25 5000000) (< .cse26 (+ .cse25 1))) (or (< .cse27 (+ .cse17 1)) (< .cse17 5000000)) (or (< (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296) 5000000) (< .cse10 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296))) (or (< .cse21 5000000) (< .cse28 (+ 1 .cse21))) (or (< .cse29 (+ .cse2 1)) (< .cse2 5000000)) (or (< .cse26 5000000) (< .cse7 (+ .cse26 1))) (or (< .cse20 5000000) (< .cse11 (+ .cse20 1))) (or (< .cse25 (+ .cse5 1)) (< .cse5 5000000)) (or (< .cse29 5000000) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 33) 4294967296) (+ .cse29 1))) (or (< .cse28 5000000) (< .cse0 (+ .cse28 1))) (or (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 31) 4294967296) (+ .cse27 1)) (< .cse27 5000000)) (or (< .cse6 5000000) (< .cse3 (+ .cse6 1))) (or (< .cse23 (+ .cse24 1)) (< .cse24 5000000)))) is different from false [2023-11-12 02:33:05,467 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 29) 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296)) (.cse15 (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296)) (.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse9 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse18 (mod (+ 23 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296)) (.cse17 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 25) 4294967296)) (.cse21 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296)) (.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 27) 4294967296)) (.cse7 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) (.cse26 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296)) (.cse20 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse25 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296)) (.cse29 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 30) 4294967296)) (.cse0 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse28 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse27 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296)) (.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296)) (.cse6 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296)) (.cse23 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) (.cse24 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296))) (and (or (< .cse0 5000000) (< .cse1 (+ .cse0 1))) (or (< .cse2 (+ .cse3 1)) (< .cse3 5000000)) (or (< .cse4 5000000) (< .cse5 (+ .cse4 1))) (or (< .cse6 (+ .cse7 1)) (< .cse7 5000000)) (or (< .cse8 5000000) (< .cse9 (+ .cse8 1))) (let ((.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296))) (or (< .cse4 (+ .cse10 1)) (< .cse10 5000000))) (or (< .cse11 5000000) (< .cse12 (+ 1 .cse11))) (or (< .cse13 5000000) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 32) 4294967296) (+ .cse13 1))) (or (< .cse13 (+ .cse14 1)) (< .cse14 5000000)) (or (< .cse12 5000000) (< .cse15 (+ .cse12 1))) (or (< .cse16 (+ .cse15 1)) (< .cse15 5000000)) (or (< .cse17 (+ .cse16 1)) (< .cse16 5000000)) (or (< .cse18 5000000) (< .cse14 (+ .cse18 1))) (let ((.cse19 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296))) (or (< .cse19 5000000) (< .cse8 (+ .cse19 1)))) (or (< .cse20 (+ .cse9 1)) (< .cse9 5000000)) (let ((.cse22 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296))) (or (< .cse21 (+ .cse22 1)) (< .cse22 5000000))) (or (< .cse23 5000000) (< .cse18 (+ .cse23 1))) (or (< .cse24 (+ .cse1 1)) (< .cse1 5000000)) (or (< .cse25 5000000) (< .cse26 (+ .cse25 1))) (or (< .cse27 (+ .cse17 1)) (< .cse17 5000000)) (or (< .cse21 5000000) (< .cse28 (+ 1 .cse21))) (or (< .cse29 (+ .cse2 1)) (< .cse2 5000000)) (or (< .cse26 5000000) (< .cse7 (+ .cse26 1))) (or (< .cse20 5000000) (< .cse11 (+ .cse20 1))) (or (< .cse25 (+ .cse5 1)) (< .cse5 5000000)) (or (< .cse29 5000000) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 33) 4294967296) (+ .cse29 1))) (or (< .cse28 5000000) (< .cse0 (+ .cse28 1))) (or (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 31) 4294967296) (+ .cse27 1)) (< .cse27 5000000)) (or (< .cse6 5000000) (< .cse3 (+ .cse6 1))) (or (< .cse23 (+ .cse24 1)) (< .cse24 5000000)))) is different from false [2023-11-12 02:33:07,487 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 29) 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296)) (.cse15 (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296)) (.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse9 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse19 (mod (+ 23 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296)) (.cse18 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 25) 4294967296)) (.cse22 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296)) (.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 27) 4294967296)) (.cse7 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) (.cse27 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296)) (.cse21 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse26 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296)) (.cse0 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse29 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse28 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296)) (.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296)) (.cse6 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296)) (.cse24 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) (.cse25 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296))) (and (or (< .cse0 5000000) (< .cse1 (+ .cse0 1))) (or (< .cse2 (+ .cse3 1)) (< .cse3 5000000)) (or (< .cse4 5000000) (< .cse5 (+ .cse4 1))) (or (< .cse6 (+ .cse7 1)) (< .cse7 5000000)) (or (< .cse8 5000000) (< .cse9 (+ .cse8 1))) (or (< .cse4 (+ .cse10 1)) (< .cse10 5000000)) (or (< .cse11 5000000) (< .cse12 (+ 1 .cse11))) (or (< .cse13 5000000) (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 32) 4294967296) (+ .cse13 1))) (or (< .cse13 (+ .cse14 1)) (< .cse14 5000000)) (or (< .cse12 5000000) (< .cse15 (+ .cse12 1))) (or (< .cse16 (+ .cse15 1)) (< .cse15 5000000)) (let ((.cse17 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (or (< .cse17 5000000) (< .cse10 (+ .cse17 1)))) (or (< .cse18 (+ .cse16 1)) (< .cse16 5000000)) (or (< .cse19 5000000) (< .cse14 (+ .cse19 1))) (let ((.cse20 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296))) (or (< .cse20 5000000) (< .cse8 (+ .cse20 1)))) (or (< .cse21 (+ .cse9 1)) (< .cse9 5000000)) (let ((.cse23 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296))) (or (< .cse22 (+ .cse23 1)) (< .cse23 5000000))) (or (< .cse24 5000000) (< .cse19 (+ .cse24 1))) (or (< .cse25 (+ .cse1 1)) (< .cse1 5000000)) (or (< .cse26 5000000) (< .cse27 (+ .cse26 1))) (or (< .cse28 (+ .cse18 1)) (< .cse18 5000000)) (or (< .cse22 5000000) (< .cse29 (+ 1 .cse22))) (or (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 30) 4294967296) (+ .cse2 1)) (< .cse2 5000000)) (or (< .cse27 5000000) (< .cse7 (+ .cse27 1))) (or (< .cse21 5000000) (< .cse11 (+ .cse21 1))) (or (< .cse26 (+ .cse5 1)) (< .cse5 5000000)) (or (< .cse29 5000000) (< .cse0 (+ .cse29 1))) (or (< (mod (+ |c_ULTIMATE.start_main_~x~0#1| 31) 4294967296) (+ .cse28 1)) (< .cse28 5000000)) (or (< .cse6 5000000) (< .cse3 (+ .cse6 1))) (or (< .cse24 (+ .cse25 1)) (< .cse25 5000000)))) is different from false