./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu --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 d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:09,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:09,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:42:09,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:09,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:09,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:09,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:09,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:09,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:09,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:09,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:09,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:09,827 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:09,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:09,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:42:09,830 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:42:09,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:09,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:42:09,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:09,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:42:09,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:09,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:42:09,833 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:42:09,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:42:09,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:09,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:09,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:09,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:09,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:09,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:09,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:09,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:42:09,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:09,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:09,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:09,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:42:09,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:09,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:09,840 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:09,840 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_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 [2023-11-19 07:42:10,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:10,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:10,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:10,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:10,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:10,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2023-11-19 07:42:13,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:13,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:13,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2023-11-19 07:42:13,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/data/d27d1e1d4/bdeaa13d3e564d5fab8b666b56e488bc/FLAG2db2ccdc4 [2023-11-19 07:42:13,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/data/d27d1e1d4/bdeaa13d3e564d5fab8b666b56e488bc [2023-11-19 07:42:13,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:13,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:13,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:13,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:13,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:13,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:13" (1/1) ... [2023-11-19 07:42:13,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd599c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:13, skipping insertion in model container [2023-11-19 07:42:13,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:13" (1/1) ... [2023-11-19 07:42:13,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:13,954 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_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2023-11-19 07:42:14,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:14,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:14,329 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_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2023-11-19 07:42:14,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:14,557 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:14,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14 WrapperNode [2023-11-19 07:42:14,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:14,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:14,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:14,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:14,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,700 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-11-19 07:42:14,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:14,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:14,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:14,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:14,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:14,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:14,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:14,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:14,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (1/1) ... [2023-11-19 07:42:14,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:14,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:14,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:14,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:15,024 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:15,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:17,024 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:17,044 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:17,045 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:42:17,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:17 BoogieIcfgContainer [2023-11-19 07:42:17,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:17,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:17,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:17,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:17,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:13" (1/3) ... [2023-11-19 07:42:17,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11296d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:17, skipping insertion in model container [2023-11-19 07:42:17,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:14" (2/3) ... [2023-11-19 07:42:17,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11296d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:17, skipping insertion in model container [2023-11-19 07:42:17,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:17" (3/3) ... [2023-11-19 07:42:17,076 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label07.c [2023-11-19 07:42:17,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:17,096 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:42:17,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:42:17,182 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;@693233ae, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:42:17,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:42:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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) [2023-11-19 07:42:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:42:17,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:17,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:17,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:17,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:17,210 INFO L85 PathProgramCache]: Analyzing trace with hash -573341295, now seen corresponding path program 1 times [2023-11-19 07:42:17,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:17,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846660688] [2023-11-19 07:42:17,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:17,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:17,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:17,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846660688] [2023-11-19 07:42:17,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846660688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:17,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:17,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:17,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72368340] [2023-11-19 07:42:17,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:17,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:17,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:17,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:17,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:17,665 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2023-11-19 07:42:19,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:19,000 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2023-11-19 07:42:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:19,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 23 [2023-11-19 07:42:19,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:19,026 INFO L225 Difference]: With dead ends: 761 [2023-11-19 07:42:19,027 INFO L226 Difference]: Without dead ends: 413 [2023-11-19 07:42:19,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:19,041 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 205 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:19,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 07:42:19,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-11-19 07:42:19,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2023-11-19 07:42:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 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) [2023-11-19 07:42:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2023-11-19 07:42:19,136 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 23 [2023-11-19 07:42:19,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:19,137 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2023-11-19 07:42:19,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2023-11-19 07:42:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2023-11-19 07:42:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 07:42:19,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:19,147 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:19,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:42:19,147 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:19,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:19,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1631989384, now seen corresponding path program 1 times [2023-11-19 07:42:19,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:19,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585514125] [2023-11-19 07:42:19,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:19,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:19,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:19,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585514125] [2023-11-19 07:42:19,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585514125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:19,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:19,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:19,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240137186] [2023-11-19 07:42:19,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:19,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:19,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:19,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:19,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:19,415 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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) [2023-11-19 07:42:20,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:20,366 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2023-11-19 07:42:20,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:20,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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 91 [2023-11-19 07:42:20,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:20,371 INFO L225 Difference]: With dead ends: 1211 [2023-11-19 07:42:20,372 INFO L226 Difference]: Without dead ends: 800 [2023-11-19 07:42:20,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:20,375 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:20,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:42:20,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2023-11-19 07:42:20,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2023-11-19 07:42:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 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) [2023-11-19 07:42:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2023-11-19 07:42:20,402 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 91 [2023-11-19 07:42:20,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:20,403 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2023-11-19 07:42:20,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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) [2023-11-19 07:42:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2023-11-19 07:42:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 07:42:20,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:20,406 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:20,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:42:20,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:20,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:20,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1083200579, now seen corresponding path program 1 times [2023-11-19 07:42:20,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:20,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359904018] [2023-11-19 07:42:20,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:20,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:20,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:20,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359904018] [2023-11-19 07:42:20,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359904018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:20,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:20,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:20,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924958724] [2023-11-19 07:42:20,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:20,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:20,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:20,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:20,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:20,841 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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) [2023-11-19 07:42:21,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:21,748 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2023-11-19 07:42:21,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:21,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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 93 [2023-11-19 07:42:21,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:21,763 INFO L225 Difference]: With dead ends: 1945 [2023-11-19 07:42:21,763 INFO L226 Difference]: Without dead ends: 1158 [2023-11-19 07:42:21,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:21,767 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:21,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:42:21,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2023-11-19 07:42:21,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2023-11-19 07:42:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 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) [2023-11-19 07:42:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2023-11-19 07:42:21,805 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 93 [2023-11-19 07:42:21,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:21,806 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2023-11-19 07:42:21,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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) [2023-11-19 07:42:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2023-11-19 07:42:21,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 07:42:21,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:21,824 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:21,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:42:21,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:21,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:21,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1119260003, now seen corresponding path program 1 times [2023-11-19 07:42:21,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:21,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659578701] [2023-11-19 07:42:21,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:21,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:22,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:22,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659578701] [2023-11-19 07:42:22,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659578701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:22,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:22,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:22,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452283360] [2023-11-19 07:42:22,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:22,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:22,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:22,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:22,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:22,169 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2023-11-19 07:42:23,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:23,093 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2023-11-19 07:42:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:23,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 150 [2023-11-19 07:42:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:23,104 INFO L225 Difference]: With dead ends: 2519 [2023-11-19 07:42:23,105 INFO L226 Difference]: Without dead ends: 1548 [2023-11-19 07:42:23,106 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 [2023-11-19 07:42:23,108 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 212 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:23,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:42:23,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2023-11-19 07:42:23,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2023-11-19 07:42:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 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) [2023-11-19 07:42:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2023-11-19 07:42:23,155 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 150 [2023-11-19 07:42:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:23,156 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2023-11-19 07:42:23,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2023-11-19 07:42:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2023-11-19 07:42:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-19 07:42:23,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:23,162 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:23,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:42:23,162 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:23,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:23,163 INFO L85 PathProgramCache]: Analyzing trace with hash -41328736, now seen corresponding path program 1 times [2023-11-19 07:42:23,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:23,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377512919] [2023-11-19 07:42:23,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:23,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 07:42:23,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:23,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377512919] [2023-11-19 07:42:23,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377512919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:23,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:23,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:23,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166938514] [2023-11-19 07:42:23,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:23,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:23,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:23,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:23,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:23,483 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-11-19 07:42:24,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:24,519 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions. [2023-11-19 07:42:24,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:24,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 205 [2023-11-19 07:42:24,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:24,534 INFO L225 Difference]: With dead ends: 3650 [2023-11-19 07:42:24,534 INFO L226 Difference]: Without dead ends: 2291 [2023-11-19 07:42:24,536 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 [2023-11-19 07:42:24,546 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 174 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:24,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 07:42:24,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2023-11-19 07:42:24,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098. [2023-11-19 07:42:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 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) [2023-11-19 07:42:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions. [2023-11-19 07:42:24,607 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 205 [2023-11-19 07:42:24,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:24,608 INFO L495 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions. [2023-11-19 07:42:24,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-11-19 07:42:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions. [2023-11-19 07:42:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-19 07:42:24,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:24,613 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:24,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:42:24,614 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:24,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:24,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1687662639, now seen corresponding path program 1 times [2023-11-19 07:42:24,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:24,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789578748] [2023-11-19 07:42:24,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:24,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-19 07:42:25,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:25,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789578748] [2023-11-19 07:42:25,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789578748] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:25,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825246158] [2023-11-19 07:42:25,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:25,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:25,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:25,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:25,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:42:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:25,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:25,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-19 07:42:25,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:25,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825246158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:25,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:25,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-19 07:42:25,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481448165] [2023-11-19 07:42:25,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:25,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:25,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:25,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:25,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:42:25,569 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-11-19 07:42:26,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:26,617 INFO L93 Difference]: Finished difference Result 4940 states and 6327 transitions. [2023-11-19 07:42:26,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:26,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 211 [2023-11-19 07:42:26,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:26,633 INFO L225 Difference]: With dead ends: 4940 [2023-11-19 07:42:26,634 INFO L226 Difference]: Without dead ends: 2844 [2023-11-19 07:42:26,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:42:26,637 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 173 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:26,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 07:42:26,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2023-11-19 07:42:26,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2835. [2023-11-19 07:42:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2834 states have (on average 1.2399435426958363) internal successors, (3514), 2834 states have internal predecessors, (3514), 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) [2023-11-19 07:42:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 3514 transitions. [2023-11-19 07:42:26,711 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 3514 transitions. Word has length 211 [2023-11-19 07:42:26,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:26,712 INFO L495 AbstractCegarLoop]: Abstraction has 2835 states and 3514 transitions. [2023-11-19 07:42:26,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-11-19 07:42:26,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3514 transitions. [2023-11-19 07:42:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-19 07:42:26,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:26,718 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:26,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:42:26,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:26,945 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:26,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:26,946 INFO L85 PathProgramCache]: Analyzing trace with hash 152223707, now seen corresponding path program 1 times [2023-11-19 07:42:26,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:26,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277001871] [2023-11-19 07:42:26,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:27,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:27,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277001871] [2023-11-19 07:42:27,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277001871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:27,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:27,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:27,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822402572] [2023-11-19 07:42:27,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:27,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:27,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:27,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:27,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:27,331 INFO L87 Difference]: Start difference. First operand 2835 states and 3514 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 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) [2023-11-19 07:42:28,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:28,972 INFO L93 Difference]: Finished difference Result 9389 states and 11845 transitions. [2023-11-19 07:42:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:28,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 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 250 [2023-11-19 07:42:28,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:29,010 INFO L225 Difference]: With dead ends: 9389 [2023-11-19 07:42:29,010 INFO L226 Difference]: Without dead ends: 6556 [2023-11-19 07:42:29,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:29,021 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 264 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:29,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 97 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1104 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-19 07:42:29,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6556 states. [2023-11-19 07:42:29,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6556 to 6552. [2023-11-19 07:42:29,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6552 states, 6551 states have (on average 1.2399633643718517) internal successors, (8123), 6551 states have internal predecessors, (8123), 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) [2023-11-19 07:42:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6552 states to 6552 states and 8123 transitions. [2023-11-19 07:42:29,191 INFO L78 Accepts]: Start accepts. Automaton has 6552 states and 8123 transitions. Word has length 250 [2023-11-19 07:42:29,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:29,192 INFO L495 AbstractCegarLoop]: Abstraction has 6552 states and 8123 transitions. [2023-11-19 07:42:29,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 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) [2023-11-19 07:42:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 6552 states and 8123 transitions. [2023-11-19 07:42:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-19 07:42:29,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:29,201 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:29,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:42:29,201 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:29,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:29,202 INFO L85 PathProgramCache]: Analyzing trace with hash 886593799, now seen corresponding path program 1 times [2023-11-19 07:42:29,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:29,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839233635] [2023-11-19 07:42:29,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:29,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 07:42:29,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:29,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839233635] [2023-11-19 07:42:29,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839233635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:29,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:29,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:29,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120795746] [2023-11-19 07:42:29,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:29,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:29,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:29,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:29,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:29,596 INFO L87 Difference]: Start difference. First operand 6552 states and 8123 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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) [2023-11-19 07:42:30,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:30,564 INFO L93 Difference]: Finished difference Result 12754 states and 15902 transitions. [2023-11-19 07:42:30,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:30,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 282 [2023-11-19 07:42:30,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:30,600 INFO L225 Difference]: With dead ends: 12754 [2023-11-19 07:42:30,601 INFO L226 Difference]: Without dead ends: 6572 [2023-11-19 07:42:30,608 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 [2023-11-19 07:42:30,609 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 137 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:30,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 345 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:42:30,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6572 states. [2023-11-19 07:42:30,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6368. [2023-11-19 07:42:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6368 states, 6367 states have (on average 1.1941259619915188) internal successors, (7603), 6367 states have internal predecessors, (7603), 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) [2023-11-19 07:42:30,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6368 states to 6368 states and 7603 transitions. [2023-11-19 07:42:30,880 INFO L78 Accepts]: Start accepts. Automaton has 6368 states and 7603 transitions. Word has length 282 [2023-11-19 07:42:30,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:30,881 INFO L495 AbstractCegarLoop]: Abstraction has 6368 states and 7603 transitions. [2023-11-19 07:42:30,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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) [2023-11-19 07:42:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand 6368 states and 7603 transitions. [2023-11-19 07:42:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-11-19 07:42:30,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:30,890 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:30,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:42:30,891 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:30,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1199418419, now seen corresponding path program 1 times [2023-11-19 07:42:30,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:30,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739358267] [2023-11-19 07:42:30,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:30,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-19 07:42:31,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:31,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739358267] [2023-11-19 07:42:31,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739358267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:31,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:31,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:31,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117094822] [2023-11-19 07:42:31,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:31,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:31,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:31,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:31,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:31,174 INFO L87 Difference]: Start difference. First operand 6368 states and 7603 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2023-11-19 07:42:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:32,040 INFO L93 Difference]: Finished difference Result 11961 states and 14349 transitions. [2023-11-19 07:42:32,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:32,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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 283 [2023-11-19 07:42:32,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:32,074 INFO L225 Difference]: With dead ends: 11961 [2023-11-19 07:42:32,074 INFO L226 Difference]: Without dead ends: 5963 [2023-11-19 07:42:32,082 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 [2023-11-19 07:42:32,083 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 161 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:32,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 150 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:42:32,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5963 states. [2023-11-19 07:42:32,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5963 to 5777. [2023-11-19 07:42:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 5776 states have (on average 1.143005540166205) internal successors, (6602), 5776 states have internal predecessors, (6602), 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) [2023-11-19 07:42:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 6602 transitions. [2023-11-19 07:42:32,249 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 6602 transitions. Word has length 283 [2023-11-19 07:42:32,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:32,250 INFO L495 AbstractCegarLoop]: Abstraction has 5777 states and 6602 transitions. [2023-11-19 07:42:32,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2023-11-19 07:42:32,250 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 6602 transitions. [2023-11-19 07:42:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-11-19 07:42:32,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:32,258 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:32,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:42:32,259 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:32,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:32,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1173523924, now seen corresponding path program 1 times [2023-11-19 07:42:32,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:32,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904516458] [2023-11-19 07:42:32,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-11-19 07:42:32,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:32,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904516458] [2023-11-19 07:42:32,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904516458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:32,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:32,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:32,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266554961] [2023-11-19 07:42:32,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:32,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:32,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:32,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:32,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:32,512 INFO L87 Difference]: Start difference. First operand 5777 states and 6602 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-11-19 07:42:33,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:33,485 INFO L93 Difference]: Finished difference Result 15048 states and 17294 transitions. [2023-11-19 07:42:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:33,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 288 [2023-11-19 07:42:33,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:33,526 INFO L225 Difference]: With dead ends: 15048 [2023-11-19 07:42:33,526 INFO L226 Difference]: Without dead ends: 9641 [2023-11-19 07:42:33,534 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 [2023-11-19 07:42:33,535 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 183 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:33,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 347 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:42:33,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9641 states. [2023-11-19 07:42:33,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9641 to 9641. [2023-11-19 07:42:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9641 states, 9640 states have (on average 1.1198132780082988) internal successors, (10795), 9640 states have internal predecessors, (10795), 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) [2023-11-19 07:42:33,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9641 states to 9641 states and 10795 transitions. [2023-11-19 07:42:33,763 INFO L78 Accepts]: Start accepts. Automaton has 9641 states and 10795 transitions. Word has length 288 [2023-11-19 07:42:33,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:33,764 INFO L495 AbstractCegarLoop]: Abstraction has 9641 states and 10795 transitions. [2023-11-19 07:42:33,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-11-19 07:42:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 9641 states and 10795 transitions. [2023-11-19 07:42:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-11-19 07:42:33,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:33,776 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-19 07:42:33,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:42:33,776 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:33,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:33,777 INFO L85 PathProgramCache]: Analyzing trace with hash -290095560, now seen corresponding path program 1 times [2023-11-19 07:42:33,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:33,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723973635] [2023-11-19 07:42:33,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:33,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-19 07:42:34,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:34,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723973635] [2023-11-19 07:42:34,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723973635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:34,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:34,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:34,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153212066] [2023-11-19 07:42:34,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:34,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:34,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:34,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:34,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:34,105 INFO L87 Difference]: Start difference. First operand 9641 states and 10795 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-11-19 07:42:34,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:34,963 INFO L93 Difference]: Finished difference Result 19459 states and 21827 transitions. [2023-11-19 07:42:34,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:34,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 316 [2023-11-19 07:42:34,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:34,993 INFO L225 Difference]: With dead ends: 19459 [2023-11-19 07:42:34,993 INFO L226 Difference]: Without dead ends: 11296 [2023-11-19 07:42:35,003 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 [2023-11-19 07:42:35,004 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 196 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:35,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 151 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:42:35,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11296 states. [2023-11-19 07:42:35,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11296 to 7424. [2023-11-19 07:42:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7424 states, 7423 states have (on average 1.1225919439579686) internal successors, (8333), 7423 states have internal predecessors, (8333), 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) [2023-11-19 07:42:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7424 states to 7424 states and 8333 transitions. [2023-11-19 07:42:35,168 INFO L78 Accepts]: Start accepts. Automaton has 7424 states and 8333 transitions. Word has length 316 [2023-11-19 07:42:35,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:35,169 INFO L495 AbstractCegarLoop]: Abstraction has 7424 states and 8333 transitions. [2023-11-19 07:42:35,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-11-19 07:42:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 7424 states and 8333 transitions. [2023-11-19 07:42:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2023-11-19 07:42:35,179 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:35,181 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:35,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:42:35,182 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:35,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:35,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1432121809, now seen corresponding path program 1 times [2023-11-19 07:42:35,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:35,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037601578] [2023-11-19 07:42:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:35,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:35,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037601578] [2023-11-19 07:42:35,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037601578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:35,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:35,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:35,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939735698] [2023-11-19 07:42:35,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:35,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:35,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:35,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:35,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:35,717 INFO L87 Difference]: Start difference. First operand 7424 states and 8333 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2023-11-19 07:42:36,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:36,859 INFO L93 Difference]: Finished difference Result 17607 states and 19807 transitions. [2023-11-19 07:42:36,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:36,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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 325 [2023-11-19 07:42:36,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:36,886 INFO L225 Difference]: With dead ends: 17607 [2023-11-19 07:42:36,886 INFO L226 Difference]: Without dead ends: 10553 [2023-11-19 07:42:36,898 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 [2023-11-19 07:42:36,899 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 59 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:36,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 71 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 07:42:36,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10553 states. [2023-11-19 07:42:37,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10553 to 10548. [2023-11-19 07:42:37,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10548 states, 10547 states have (on average 1.1107423912012895) internal successors, (11715), 10547 states have internal predecessors, (11715), 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) [2023-11-19 07:42:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10548 states to 10548 states and 11715 transitions. [2023-11-19 07:42:37,098 INFO L78 Accepts]: Start accepts. Automaton has 10548 states and 11715 transitions. Word has length 325 [2023-11-19 07:42:37,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:37,099 INFO L495 AbstractCegarLoop]: Abstraction has 10548 states and 11715 transitions. [2023-11-19 07:42:37,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2023-11-19 07:42:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 10548 states and 11715 transitions. [2023-11-19 07:42:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-11-19 07:42:37,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:37,111 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:37,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:42:37,112 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:37,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:37,112 INFO L85 PathProgramCache]: Analyzing trace with hash -625671799, now seen corresponding path program 1 times [2023-11-19 07:42:37,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:37,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857654555] [2023-11-19 07:42:37,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:37,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:37,647 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:37,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:37,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857654555] [2023-11-19 07:42:37,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857654555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:37,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:37,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:37,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305527259] [2023-11-19 07:42:37,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:37,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:37,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:37,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:37,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:37,651 INFO L87 Difference]: Start difference. First operand 10548 states and 11715 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2023-11-19 07:42:39,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:39,219 INFO L93 Difference]: Finished difference Result 23857 states and 26561 transitions. [2023-11-19 07:42:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:39,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 328 [2023-11-19 07:42:39,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:39,242 INFO L225 Difference]: With dead ends: 23857 [2023-11-19 07:42:39,242 INFO L226 Difference]: Without dead ends: 13679 [2023-11-19 07:42:39,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:39,255 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 279 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:39,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 59 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-19 07:42:39,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13679 states. [2023-11-19 07:42:39,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13679 to 12756. [2023-11-19 07:42:39,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12756 states, 12755 states have (on average 1.0953351626813015) internal successors, (13971), 12755 states have internal predecessors, (13971), 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) [2023-11-19 07:42:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12756 states to 12756 states and 13971 transitions. [2023-11-19 07:42:39,571 INFO L78 Accepts]: Start accepts. Automaton has 12756 states and 13971 transitions. Word has length 328 [2023-11-19 07:42:39,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:39,572 INFO L495 AbstractCegarLoop]: Abstraction has 12756 states and 13971 transitions. [2023-11-19 07:42:39,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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) [2023-11-19 07:42:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 12756 states and 13971 transitions. [2023-11-19 07:42:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2023-11-19 07:42:39,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:39,592 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:39,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 07:42:39,593 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:39,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:39,593 INFO L85 PathProgramCache]: Analyzing trace with hash 489054109, now seen corresponding path program 1 times [2023-11-19 07:42:39,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:39,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8814147] [2023-11-19 07:42:39,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:39,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,359 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-19 07:42:40,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:40,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8814147] [2023-11-19 07:42:40,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8814147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:40,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:40,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:40,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065253277] [2023-11-19 07:42:40,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:40,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:40,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:40,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:40,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:40,363 INFO L87 Difference]: Start difference. First operand 12756 states and 13971 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 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) [2023-11-19 07:42:41,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:41,913 INFO L93 Difference]: Finished difference Result 27169 states and 29817 transitions. [2023-11-19 07:42:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:41,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 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 402 [2023-11-19 07:42:41,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:41,946 INFO L225 Difference]: With dead ends: 27169 [2023-11-19 07:42:41,947 INFO L226 Difference]: Without dead ends: 14783 [2023-11-19 07:42:41,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:41,959 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 262 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:41,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 59 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-19 07:42:41,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14783 states. [2023-11-19 07:42:42,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14783 to 12756. [2023-11-19 07:42:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12756 states, 12755 states have (on average 1.0953351626813015) internal successors, (13971), 12755 states have internal predecessors, (13971), 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) [2023-11-19 07:42:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12756 states to 12756 states and 13971 transitions. [2023-11-19 07:42:42,245 INFO L78 Accepts]: Start accepts. Automaton has 12756 states and 13971 transitions. Word has length 402 [2023-11-19 07:42:42,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:42,245 INFO L495 AbstractCegarLoop]: Abstraction has 12756 states and 13971 transitions. [2023-11-19 07:42:42,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 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) [2023-11-19 07:42:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 12756 states and 13971 transitions. [2023-11-19 07:42:42,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2023-11-19 07:42:42,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:42,316 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:42,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 07:42:42,317 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:42:42,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:42,318 INFO L85 PathProgramCache]: Analyzing trace with hash -453324163, now seen corresponding path program 1 times [2023-11-19 07:42:42,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:42,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367892198] [2023-11-19 07:42:42,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:42,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 1521 proven. 52 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2023-11-19 07:42:44,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:44,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367892198] [2023-11-19 07:42:44,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367892198] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:42:44,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439884930] [2023-11-19 07:42:44,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:44,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:44,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:44,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:44,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:42:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:44,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:42:45,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 1573 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2023-11-19 07:42:45,214 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:45,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439884930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:45,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:42:45,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-19 07:42:45,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295129125] [2023-11-19 07:42:45,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:45,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:45,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:45,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:45,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:42:45,219 INFO L87 Difference]: Start difference. First operand 12756 states and 13971 transitions. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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) [2023-11-19 07:42:46,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:46,085 INFO L93 Difference]: Finished difference Result 24770 states and 27159 transitions. [2023-11-19 07:42:46,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:46,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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 895 [2023-11-19 07:42:46,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:46,087 INFO L225 Difference]: With dead ends: 24770 [2023-11-19 07:42:46,087 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:42:46,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 899 GetRequests, 894 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:42:46,098 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 67 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:46,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 116 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:42:46,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:42:46,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:42:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:42:46,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 895 [2023-11-19 07:42:46,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:46,101 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:42:46,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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) [2023-11-19 07:42:46,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:42:46,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:42:46,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:42:46,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:46,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-19 07:42:46,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:42:48,585 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-11-19 07:42:48,585 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,585 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-11-19 07:42:48,585 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,585 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,586 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,586 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,586 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,586 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,586 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2023-11-19 07:42:48,586 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-11-19 07:42:48,586 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-19 07:42:48,587 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,587 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,587 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,587 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,587 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,588 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,588 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,588 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,588 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,588 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,588 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-11-19 07:42:48,589 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2023-11-19 07:42:48,589 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-11-19 07:42:48,589 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,589 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-11-19 07:42:48,589 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-11-19 07:42:48,591 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,591 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,592 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,592 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,592 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,592 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,592 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-11-19 07:42:48,593 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2023-11-19 07:42:48,593 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-11-19 07:42:48,593 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,593 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,593 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,593 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,594 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-11-19 07:42:48,594 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-11-19 07:42:48,594 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,594 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,594 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,594 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,595 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,595 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,595 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2023-11-19 07:42:48,595 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2023-11-19 07:42:48,595 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-19 07:42:48,595 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-11-19 07:42:48,596 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,596 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,596 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,596 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,596 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,596 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,597 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,597 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2023-11-19 07:42:48,597 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2023-11-19 07:42:48,597 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-11-19 07:42:48,597 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,597 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,598 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,598 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,598 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,598 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,598 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,598 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,599 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,599 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2023-11-19 07:42:48,599 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2023-11-19 07:42:48,599 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-11-19 07:42:48,599 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,600 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (= ~a25~0 11)) (.cse5 (<= 246 ~a29~0)) (.cse7 (<= ~a29~0 599999)) (.cse6 (<= ~a29~0 140)) (.cse8 (<= ~a25~0 10)) (.cse0 (<= ~a29~0 599998)) (.cse1 (= ~a4~0 1)) (.cse10 (<= 13 ~a25~0)) (.cse2 (= ~a4~0 0)) (.cse9 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a23~0 312))) (or (and (<= 307 ~a23~0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4) (and .cse3 .cse7 .cse1) (and .cse2 .cse8 .cse0 .cse4 .cse5) (and .cse2 .cse9 .cse8) (and (<= (+ ~a29~0 21) 0) .cse1) (and (= ~a25~0 12) .cse2 .cse0) (and .cse8 .cse7 .cse1) (and .cse2 (<= ~a29~0 274) .cse4 .cse5) (and .cse7 (<= (+ ~a23~0 599772) 0) .cse1 .cse10) (and .cse6 .cse2 .cse8 .cse4) (and .cse0 .cse1 .cse10) (and .cse2 .cse9 .cse4))) [2023-11-19 07:42:48,600 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,601 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,601 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,601 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,601 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,601 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,602 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,602 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,602 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2023-11-19 07:42:48,602 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2023-11-19 07:42:48,602 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-11-19 07:42:48,602 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-11-19 07:42:48,602 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-11-19 07:42:48,603 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-11-19 07:42:48,603 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-11-19 07:42:48,603 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,603 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,603 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,603 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,604 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,604 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,604 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,604 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,604 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,604 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,605 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:42:48,605 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-11-19 07:42:48,605 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2023-11-19 07:42:48,605 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-11-19 07:42:48,605 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-11-19 07:42:48,605 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,605 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,606 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,606 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,606 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,606 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-11-19 07:42:48,606 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2023-11-19 07:42:48,606 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-11-19 07:42:48,607 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,607 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,607 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,607 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,607 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-11-19 07:42:48,607 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-11-19 07:42:48,608 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,608 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,608 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,608 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,608 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,608 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,609 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-11-19 07:42:48,609 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-11-19 07:42:48,609 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,609 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,609 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2023-11-19 07:42:48,609 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2023-11-19 07:42:48,610 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-11-19 07:42:48,610 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:42:48,610 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2023-11-19 07:42:48,610 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,610 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,610 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,611 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,611 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,611 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,611 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,611 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2023-11-19 07:42:48,611 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-11-19 07:42:48,612 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-11-19 07:42:48,612 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-11-19 07:42:48,612 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-11-19 07:42:48,612 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-11-19 07:42:48,612 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-11-19 07:42:48,612 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,612 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,613 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-11-19 07:42:48,613 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-11-19 07:42:48,613 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,613 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,613 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,613 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,614 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,614 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2023-11-19 07:42:48,614 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2023-11-19 07:42:48,614 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-11-19 07:42:48,614 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,614 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,615 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,615 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,615 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,615 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,615 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2023-11-19 07:42:48,615 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2023-11-19 07:42:48,615 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-19 07:42:48,616 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,616 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,616 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,616 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,616 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,616 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,617 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,617 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,617 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2023-11-19 07:42:48,617 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-11-19 07:42:48,617 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-11-19 07:42:48,617 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,618 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,618 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,618 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,618 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,618 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,618 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,619 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,619 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,619 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,619 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,619 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-11-19 07:42:48,619 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-11-19 07:42:48,619 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-19 07:42:48,620 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-11-19 07:42:48,620 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-11-19 07:42:48,620 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,620 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,620 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,620 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,621 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,621 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,621 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,621 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-11-19 07:42:48,621 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2023-11-19 07:42:48,621 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-11-19 07:42:48,622 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,622 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,622 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,622 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-11-19 07:42:48,622 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-11-19 07:42:48,622 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,623 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,623 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,623 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,623 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,623 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-11-19 07:42:48,623 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-11-19 07:42:48,624 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,624 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,624 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-11-19 07:42:48,624 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-11-19 07:42:48,624 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,624 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,625 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,625 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,625 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,625 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,625 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2023-11-19 07:42:48,625 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-11-19 07:42:48,626 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-11-19 07:42:48,626 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-11-19 07:42:48,626 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,626 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,626 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,626 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,627 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,627 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,627 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,627 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,627 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-11-19 07:42:48,627 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-11-19 07:42:48,627 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-11-19 07:42:48,628 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-11-19 07:42:48,628 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-11-19 07:42:48,628 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-11-19 07:42:48,628 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,628 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,628 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,629 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,629 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,629 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,629 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,629 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2023-11-19 07:42:48,629 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-11-19 07:42:48,630 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:42:48,630 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:42:48,630 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,630 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,630 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,630 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,631 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,631 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,631 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2023-11-19 07:42:48,631 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-11-19 07:42:48,631 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,631 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,632 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,632 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,632 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,632 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,632 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,632 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,633 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-11-19 07:42:48,633 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-11-19 07:42:48,633 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,633 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,633 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2023-11-19 07:42:48,633 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-11-19 07:42:48,633 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-19 07:42:48,634 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-11-19 07:42:48,637 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:48,640 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:42:48,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:42:48 BoogieIcfgContainer [2023-11-19 07:42:48,657 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:42:48,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:42:48,658 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:42:48,658 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:42:48,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:17" (3/4) ... [2023-11-19 07:42:48,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:42:48,684 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 07:42:48,686 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:42:48,688 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:42:48,690 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:42:48,894 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:42:48,895 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:42:48,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:42:48,896 INFO L158 Benchmark]: Toolchain (without parser) took 35203.52ms. Allocated memory was 172.0MB in the beginning and 713.0MB in the end (delta: 541.1MB). Free memory was 126.9MB in the beginning and 467.4MB in the end (delta: -340.5MB). Peak memory consumption was 202.5MB. Max. memory is 16.1GB. [2023-11-19 07:42:48,896 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 109.1MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:42:48,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.62ms. Allocated memory is still 172.0MB. Free memory was 126.9MB in the beginning and 129.3MB in the end (delta: -2.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 07:42:48,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.34ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 111.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:42:48,898 INFO L158 Benchmark]: Boogie Preprocessor took 171.08ms. Allocated memory is still 172.0MB. Free memory was 111.9MB in the beginning and 102.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:42:48,898 INFO L158 Benchmark]: RCFGBuilder took 2187.07ms. Allocated memory was 172.0MB in the beginning and 264.2MB in the end (delta: 92.3MB). Free memory was 102.7MB in the beginning and 166.2MB in the end (delta: -63.4MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-11-19 07:42:48,899 INFO L158 Benchmark]: TraceAbstraction took 31592.33ms. Allocated memory was 264.2MB in the beginning and 713.0MB in the end (delta: 448.8MB). Free memory was 166.2MB in the beginning and 485.2MB in the end (delta: -319.0MB). Peak memory consumption was 432.9MB. Max. memory is 16.1GB. [2023-11-19 07:42:48,900 INFO L158 Benchmark]: Witness Printer took 237.80ms. Allocated memory is still 713.0MB. Free memory was 485.2MB in the beginning and 467.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:42:48,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 109.1MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.62ms. Allocated memory is still 172.0MB. Free memory was 126.9MB in the beginning and 129.3MB in the end (delta: -2.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.34ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 111.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.08ms. Allocated memory is still 172.0MB. Free memory was 111.9MB in the beginning and 102.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2187.07ms. Allocated memory was 172.0MB in the beginning and 264.2MB in the end (delta: 92.3MB). Free memory was 102.7MB in the beginning and 166.2MB in the end (delta: -63.4MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31592.33ms. Allocated memory was 264.2MB in the beginning and 713.0MB in the end (delta: 448.8MB). Free memory was 166.2MB in the beginning and 485.2MB in the end (delta: -319.0MB). Peak memory consumption was 432.9MB. Max. memory is 16.1GB. * Witness Printer took 237.80ms. Allocated memory is still 713.0MB. Free memory was 485.2MB in the beginning and 467.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 85]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.5s, OverallIterations: 15, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2633 SdHoareTripleChecker+Valid, 15.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2633 mSDsluCounter, 3032 SdHoareTripleChecker+Invalid, 12.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 1826 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9631 IncrementalHoareTripleChecker+Invalid, 11457 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1826 mSolverCounterUnsat, 2659 mSDtfsCounter, 9631 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1151 GetRequests, 1126 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12756occurred in iteration=13, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 7438 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 68 NumberOfFragments, 170 HoareAnnotationTreeSize, 1 FomulaSimplifications, 908 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 1 FomulaSimplificationsInter, 2131 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 5248 NumberOfCodeBlocks, 5248 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 5231 ConstructedInterpolants, 0 QuantifiedInterpolants, 16336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1451 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 7059/7127 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((307 <= a23) && (a29 <= 599998)) && (a4 == 1)) || (((((a4 == 0) && (a25 == 11)) && (a29 <= 599998)) && (a23 <= 312)) && (246 <= a29))) || ((((a29 <= 140) && (a4 == 0)) && (a25 == 11)) && (a23 <= 312))) || (((a25 == 11) && (a29 <= 599999)) && (a4 == 1))) || (((((a4 == 0) && (a25 <= 10)) && (a29 <= 599998)) && (a23 <= 312)) && (246 <= a29))) || (((a4 == 0) && ((a29 + 22) <= 0)) && (a25 <= 10))) || (((a29 + 21) <= 0) && (a4 == 1))) || (((a25 == 12) && (a4 == 0)) && (a29 <= 599998))) || (((a25 <= 10) && (a29 <= 599999)) && (a4 == 1))) || ((((a4 == 0) && (a29 <= 274)) && (a23 <= 312)) && (246 <= a29))) || ((((a29 <= 599999) && ((a23 + 599772) <= 0)) && (a4 == 1)) && (13 <= a25))) || ((((a29 <= 140) && (a4 == 0)) && (a25 <= 10)) && (a23 <= 312))) || (((a29 <= 599998) && (a4 == 1)) && (13 <= a25))) || (((a4 == 0) && ((a29 + 22) <= 0)) && (a23 <= 312))) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:42:48,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6bd17e-38f7-489c-92b4-8d1c30aeabd0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE