./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB --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 d64de34e5de9d482cf02ff075dad73aa3037f7014946daf08dc02de47434f33e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:59:25,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:59:25,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:59:25,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:59:25,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:59:25,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:59:25,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:59:25,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:59:25,533 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:59:25,534 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:59:25,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:59:25,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:59:25,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:59:25,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:59:25,536 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:59:25,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:59:25,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:59:25,537 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:59:25,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:59:25,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:59:25,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:59:25,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:59:25,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:59:25,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:59:25,538 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:59:25,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:59:25,538 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:59:25,538 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:59:25,538 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:59:25,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:59:25,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:59:25,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:59:25,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:59:25,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:59:25,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:59:25,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:59:25,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:59:25,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:59:25,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:59:25,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:59:25,540 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:59:25,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:59:25,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:59:25,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:59:25,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:59:25,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:59:25,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:59:25,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:59:25,541 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB 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 -> d64de34e5de9d482cf02ff075dad73aa3037f7014946daf08dc02de47434f33e [2024-11-28 02:59:25,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:59:25,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:59:25,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:59:25,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:59:25,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:59:25,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i [2024-11-28 02:59:28,841 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/data/3219b9b63/13299a44e5bc4d62bed21ba610bbc830/FLAGdaa989f13 [2024-11-28 02:59:29,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:59:29,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i [2024-11-28 02:59:29,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/data/3219b9b63/13299a44e5bc4d62bed21ba610bbc830/FLAGdaa989f13 [2024-11-28 02:59:29,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/data/3219b9b63/13299a44e5bc4d62bed21ba610bbc830 [2024-11-28 02:59:29,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:59:29,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:59:29,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:59:29,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:59:29,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:59:29,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ddba4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29, skipping insertion in model container [2024-11-28 02:59:29,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:59:29,405 WARN L250 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_cde9a525-f052-4551-9049-516e867eec19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i[917,930] [2024-11-28 02:59:29,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:59:29,520 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:59:29,531 WARN L250 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_cde9a525-f052-4551-9049-516e867eec19/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-63.i[917,930] [2024-11-28 02:59:29,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:59:29,640 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:59:29,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29 WrapperNode [2024-11-28 02:59:29,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:59:29,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:59:29,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:59:29,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:59:29,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,735 INFO L138 Inliner]: procedures = 30, calls = 204, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 678 [2024-11-28 02:59:29,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:59:29,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:59:29,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:59:29,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:59:29,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,756 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,774 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 02:59:29,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:59:29,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:59:29,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:59:29,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:59:29,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (1/1) ... [2024-11-28 02:59:29,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:59:29,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:29,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:59:29,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:59:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:59:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-28 02:59:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-28 02:59:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-28 02:59:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:59:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-28 02:59:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:59:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:59:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:59:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:59:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:59:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:59:30,085 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:59:30,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:59:31,077 INFO L? ?]: Removed 201 outVars from TransFormulas that were not future-live. [2024-11-28 02:59:31,077 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:59:31,096 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:59:31,098 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:59:31,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:31 BoogieIcfgContainer [2024-11-28 02:59:31,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:59:31,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:59:31,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:59:31,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:59:31,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:29" (1/3) ... [2024-11-28 02:59:31,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa777c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:31, skipping insertion in model container [2024-11-28 02:59:31,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:29" (2/3) ... [2024-11-28 02:59:31,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa777c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:31, skipping insertion in model container [2024-11-28 02:59:31,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:31" (3/3) ... [2024-11-28 02:59:31,114 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-63.i [2024-11-28 02:59:31,133 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:59:31,135 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-63.i that has 2 procedures, 139 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:59:31,223 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:59:31,239 INFO L333 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, 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;@745cc85b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:59:31,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:59:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 118 states have (on average 1.4322033898305084) internal successors, (169), 119 states have internal predecessors, (169), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:59:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 02:59:31,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:31,263 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:31,263 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:31,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:31,268 INFO L85 PathProgramCache]: Analyzing trace with hash 79458764, now seen corresponding path program 1 times [2024-11-28 02:59:31,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:31,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97616966] [2024-11-28 02:59:31,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:31,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 02:59:31,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:31,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97616966] [2024-11-28 02:59:31,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97616966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:31,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374735106] [2024-11-28 02:59:31,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:31,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:31,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:31,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:31,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:59:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:32,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:59:32,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:32,374 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 02:59:32,375 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:32,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374735106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:32,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:59:32,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:59:32,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392241591] [2024-11-28 02:59:32,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:32,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:59:32,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:32,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:59:32,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:59:32,408 INFO L87 Difference]: Start difference. First operand has 139 states, 118 states have (on average 1.4322033898305084) internal successors, (169), 119 states have internal predecessors, (169), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:59:32,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:32,456 INFO L93 Difference]: Finished difference Result 271 states and 422 transitions. [2024-11-28 02:59:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:59:32,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-11-28 02:59:32,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:32,468 INFO L225 Difference]: With dead ends: 271 [2024-11-28 02:59:32,468 INFO L226 Difference]: Without dead ends: 135 [2024-11-28 02:59:32,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:59:32,478 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:32,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:32,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-28 02:59:32,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-28 02:59:32,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 115 states have (on average 1.4086956521739131) internal successors, (162), 115 states have internal predecessors, (162), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:59:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 198 transitions. [2024-11-28 02:59:32,540 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 198 transitions. Word has length 156 [2024-11-28 02:59:32,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:32,540 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 198 transitions. [2024-11-28 02:59:32,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:59:32,541 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 198 transitions. [2024-11-28 02:59:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 02:59:32,546 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:32,546 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:32,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:59:32,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:59:32,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:32,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:32,753 INFO L85 PathProgramCache]: Analyzing trace with hash 509231968, now seen corresponding path program 1 times [2024-11-28 02:59:32,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:32,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791372358] [2024-11-28 02:59:32,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:32,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:59:33,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:33,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791372358] [2024-11-28 02:59:33,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791372358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:33,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:33,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:59:33,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478813126] [2024-11-28 02:59:33,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:33,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:33,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:33,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:33,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:33,317 INFO L87 Difference]: Start difference. First operand 135 states and 198 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:59:33,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:33,403 INFO L93 Difference]: Finished difference Result 269 states and 396 transitions. [2024-11-28 02:59:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:33,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-11-28 02:59:33,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:33,406 INFO L225 Difference]: With dead ends: 269 [2024-11-28 02:59:33,407 INFO L226 Difference]: Without dead ends: 137 [2024-11-28 02:59:33,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:33,411 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:33,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 577 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:33,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-28 02:59:33,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-28 02:59:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 117 states have internal predecessors, (164), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:59:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 200 transitions. [2024-11-28 02:59:33,432 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 200 transitions. Word has length 156 [2024-11-28 02:59:33,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:33,433 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 200 transitions. [2024-11-28 02:59:33,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:59:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 200 transitions. [2024-11-28 02:59:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 02:59:33,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:33,437 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:33,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:59:33,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:33,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:33,440 INFO L85 PathProgramCache]: Analyzing trace with hash 145765470, now seen corresponding path program 1 times [2024-11-28 02:59:33,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:33,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309964468] [2024-11-28 02:59:33,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:33,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 02:59:34,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309964468] [2024-11-28 02:59:34,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309964468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623516005] [2024-11-28 02:59:34,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:34,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:34,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:34,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:34,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:59:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:34,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:59:34,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:59:34,572 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:34,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623516005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:34,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:59:34,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 02:59:34,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028586412] [2024-11-28 02:59:34,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:34,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:34,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:34,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:34,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:59:34,575 INFO L87 Difference]: Start difference. First operand 137 states and 200 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:34,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:34,618 INFO L93 Difference]: Finished difference Result 274 states and 401 transitions. [2024-11-28 02:59:34,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:34,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-28 02:59:34,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:34,624 INFO L225 Difference]: With dead ends: 274 [2024-11-28 02:59:34,624 INFO L226 Difference]: Without dead ends: 140 [2024-11-28 02:59:34,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:59:34,625 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:34,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 574 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:34,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-28 02:59:34,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2024-11-28 02:59:34,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 119 states have (on average 1.3949579831932772) internal successors, (166), 119 states have internal predecessors, (166), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:59:34,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 202 transitions. [2024-11-28 02:59:34,644 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 202 transitions. Word has length 156 [2024-11-28 02:59:34,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:34,645 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 202 transitions. [2024-11-28 02:59:34,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 202 transitions. [2024-11-28 02:59:34,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 02:59:34,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:34,647 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:34,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:34,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-28 02:59:34,848 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:34,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:34,849 INFO L85 PathProgramCache]: Analyzing trace with hash -441040544, now seen corresponding path program 1 times [2024-11-28 02:59:34,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:34,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043456120] [2024-11-28 02:59:34,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:34,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:35,235 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 02:59:35,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:35,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043456120] [2024-11-28 02:59:35,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043456120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:35,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256371398] [2024-11-28 02:59:35,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:35,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:35,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:35,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:35,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:59:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:35,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:59:35,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:59:35,679 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:35,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256371398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:35,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:59:35,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 02:59:35,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991477375] [2024-11-28 02:59:35,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:35,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:35,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:35,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:35,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:59:35,682 INFO L87 Difference]: Start difference. First operand 139 states and 202 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:35,726 INFO L93 Difference]: Finished difference Result 278 states and 405 transitions. [2024-11-28 02:59:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:35,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-28 02:59:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:35,730 INFO L225 Difference]: With dead ends: 278 [2024-11-28 02:59:35,730 INFO L226 Difference]: Without dead ends: 142 [2024-11-28 02:59:35,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:59:35,733 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:35,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 574 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:35,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-28 02:59:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2024-11-28 02:59:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 121 states have internal predecessors, (168), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:59:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 204 transitions. [2024-11-28 02:59:35,753 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 204 transitions. Word has length 156 [2024-11-28 02:59:35,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:35,754 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 204 transitions. [2024-11-28 02:59:35,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:35,756 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 204 transitions. [2024-11-28 02:59:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 02:59:35,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:35,760 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:35,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:59:35,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:35,962 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:35,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:35,962 INFO L85 PathProgramCache]: Analyzing trace with hash 239017826, now seen corresponding path program 1 times [2024-11-28 02:59:35,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:35,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834381518] [2024-11-28 02:59:35,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:35,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 02:59:36,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:36,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834381518] [2024-11-28 02:59:36,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834381518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:36,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113811896] [2024-11-28 02:59:36,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:36,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:36,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:36,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:36,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:59:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:36,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:59:36,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:59:36,788 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:36,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113811896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:36,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:59:36,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 02:59:36,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311779639] [2024-11-28 02:59:36,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:36,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:36,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:36,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:36,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:59:36,790 INFO L87 Difference]: Start difference. First operand 141 states and 204 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:36,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:36,838 INFO L93 Difference]: Finished difference Result 282 states and 409 transitions. [2024-11-28 02:59:36,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:36,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-28 02:59:36,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:36,840 INFO L225 Difference]: With dead ends: 282 [2024-11-28 02:59:36,840 INFO L226 Difference]: Without dead ends: 144 [2024-11-28 02:59:36,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:59:36,841 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:36,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 575 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:36,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-28 02:59:36,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 143. [2024-11-28 02:59:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 123 states have internal predecessors, (170), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:59:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 206 transitions. [2024-11-28 02:59:36,860 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 206 transitions. Word has length 156 [2024-11-28 02:59:36,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:36,862 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 206 transitions. [2024-11-28 02:59:36,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2024-11-28 02:59:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 02:59:36,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:36,865 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:36,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:37,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:37,066 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:37,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:37,066 INFO L85 PathProgramCache]: Analyzing trace with hash 2014025188, now seen corresponding path program 1 times [2024-11-28 02:59:37,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:37,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085002773] [2024-11-28 02:59:37,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:37,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 02:59:37,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:37,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085002773] [2024-11-28 02:59:37,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085002773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:37,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064975361] [2024-11-28 02:59:37,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:37,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:37,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:37,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:37,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:59:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:37,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:59:37,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:59:37,857 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:37,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064975361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:37,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:59:37,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 02:59:37,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592082752] [2024-11-28 02:59:37,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:37,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:37,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:37,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:37,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:59:37,860 INFO L87 Difference]: Start difference. First operand 143 states and 206 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:37,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:37,902 INFO L93 Difference]: Finished difference Result 286 states and 413 transitions. [2024-11-28 02:59:37,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:37,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-28 02:59:37,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:37,904 INFO L225 Difference]: With dead ends: 286 [2024-11-28 02:59:37,905 INFO L226 Difference]: Without dead ends: 146 [2024-11-28 02:59:37,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:59:37,907 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:37,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 577 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:37,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-28 02:59:37,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2024-11-28 02:59:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 125 states have (on average 1.376) internal successors, (172), 125 states have internal predecessors, (172), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:59:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 208 transitions. [2024-11-28 02:59:37,924 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 208 transitions. Word has length 156 [2024-11-28 02:59:37,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:37,924 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 208 transitions. [2024-11-28 02:59:37,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:37,924 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 208 transitions. [2024-11-28 02:59:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 02:59:37,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:37,926 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:37,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 02:59:38,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 02:59:38,127 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:38,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:38,127 INFO L85 PathProgramCache]: Analyzing trace with hash 2015872230, now seen corresponding path program 1 times [2024-11-28 02:59:38,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:38,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403580692] [2024-11-28 02:59:38,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:38,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 02:59:38,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:38,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403580692] [2024-11-28 02:59:38,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403580692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:38,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821814826] [2024-11-28 02:59:38,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:38,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:38,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:38,411 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:38,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:59:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:38,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:59:38,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:59:38,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:38,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821814826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:38,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:59:38,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-28 02:59:38,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619564824] [2024-11-28 02:59:38,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:38,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:38,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:38,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:38,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:38,881 INFO L87 Difference]: Start difference. First operand 145 states and 208 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:38,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:38,916 INFO L93 Difference]: Finished difference Result 289 states and 416 transitions. [2024-11-28 02:59:38,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:38,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-11-28 02:59:38,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:38,920 INFO L225 Difference]: With dead ends: 289 [2024-11-28 02:59:38,920 INFO L226 Difference]: Without dead ends: 147 [2024-11-28 02:59:38,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:38,921 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:38,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 577 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:38,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-28 02:59:38,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-28 02:59:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 127 states have internal predecessors, (174), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:59:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 210 transitions. [2024-11-28 02:59:38,935 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 210 transitions. Word has length 156 [2024-11-28 02:59:38,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:38,935 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 210 transitions. [2024-11-28 02:59:38,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:59:38,936 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 210 transitions. [2024-11-28 02:59:38,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 02:59:38,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:38,938 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:38,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 02:59:39,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:39,140 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:59:39,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:39,140 INFO L85 PathProgramCache]: Analyzing trace with hash -926746335, now seen corresponding path program 1 times [2024-11-28 02:59:39,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:39,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126065479] [2024-11-28 02:59:39,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:39,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 02:59:43,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:43,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126065479] [2024-11-28 02:59:43,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126065479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:43,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516487560] [2024-11-28 02:59:43,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:43,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:43,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:43,509 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:43,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde9a525-f052-4551-9049-516e867eec19/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 02:59:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:43,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-28 02:59:43,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:45,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:59:46,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 02:59:47,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 02:59:47,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 02:59:48,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 02:59:49,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 02:59:49,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 02:59:50,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 02:59:50,892 INFO L349 Elim1Store]: treesize reduction 264, result has 11.7 percent of original size [2024-11-28 02:59:50,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 472 treesize of output 311 [2024-11-28 02:59:51,692 INFO L349 Elim1Store]: treesize reduction 123, result has 29.7 percent of original size [2024-11-28 02:59:51,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 250 treesize of output 285 [2024-11-28 02:59:53,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 35 [2024-11-28 02:59:53,838 INFO L349 Elim1Store]: treesize reduction 123, result has 29.7 percent of original size [2024-11-28 02:59:53,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 205 treesize of output 234 [2024-11-28 02:59:59,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,701 INFO L349 Elim1Store]: treesize reduction 147, result has 27.9 percent of original size [2024-11-28 02:59:59,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 121 treesize of output 192 [2024-11-28 02:59:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:59:59,967 INFO L349 Elim1Store]: treesize reduction 147, result has 27.9 percent of original size [2024-11-28 02:59:59,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 101 treesize of output 185 [2024-11-28 03:00:00,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,225 INFO L349 Elim1Store]: treesize reduction 199, result has 21.0 percent of original size [2024-11-28 03:00:00,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 121 treesize of output 188 [2024-11-28 03:00:00,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:00,520 INFO L349 Elim1Store]: treesize reduction 162, result has 26.0 percent of original size [2024-11-28 03:00:00,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 70 treesize of output 204 [2024-11-28 03:00:01,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,574 INFO L349 Elim1Store]: treesize reduction 105, result has 29.5 percent of original size [2024-11-28 03:00:01,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 112 [2024-11-28 03:00:01,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,825 INFO L349 Elim1Store]: treesize reduction 150, result has 16.7 percent of original size [2024-11-28 03:00:01,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 70 treesize of output 135 [2024-11-28 03:00:01,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:01,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:02,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:02,120 INFO L349 Elim1Store]: treesize reduction 124, result has 28.3 percent of original size [2024-11-28 03:00:02,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 140 [2024-11-28 03:00:02,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:02,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:02,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:02,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:02,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:02,518 INFO L349 Elim1Store]: treesize reduction 189, result has 22.2 percent of original size [2024-11-28 03:00:02,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 101 treesize of output 224 [2024-11-28 03:00:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,304 INFO L349 Elim1Store]: treesize reduction 253, result has 18.6 percent of original size [2024-11-28 03:00:03,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 101 treesize of output 228 [2024-11-28 03:00:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:03,862 INFO L349 Elim1Store]: treesize reduction 146, result has 18.9 percent of original size [2024-11-28 03:00:03,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 90 treesize of output 146 [2024-11-28 03:00:04,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,070 INFO L349 Elim1Store]: treesize reduction 34, result has 40.4 percent of original size [2024-11-28 03:00:04,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 93 [2024-11-28 03:00:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,148 INFO L349 Elim1Store]: treesize reduction 35, result has 27.1 percent of original size [2024-11-28 03:00:04,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2024-11-28 03:00:04,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:00:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver