./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX --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 b39844280cd53a63ba1f93097bf0be84b51153e793ce6510d7ba173d0fc112df --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:25:44,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:25:44,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:25:44,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:25:44,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:25:44,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:25:44,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:25:44,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:25:44,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:25:44,730 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:25:44,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:25:44,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:25:44,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:25:44,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:25:44,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:25:44,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:25:44,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:25:44,738 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:25:44,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:25:44,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:25:44,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:25:44,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:25:44,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:25:44,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:25:44,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:25:44,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:25:44,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:25:44,746 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:25:44,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:25:44,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:25:44,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:25:44,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:25:44,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:44,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:25:44,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:25:44,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:25:44,751 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:25:44,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:25:44,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:25:44,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:25:44,752 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:25:44,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:25:44,755 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b39844280cd53a63ba1f93097bf0be84b51153e793ce6510d7ba173d0fc112df [2024-11-08 16:25:45,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:25:45,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:25:45,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:25:45,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:25:45,152 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:25:45,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i Unable to find full path for "g++" [2024-11-08 16:25:47,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:25:47,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:25:47,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i [2024-11-08 16:25:48,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/data/e17c413ea/39a4f9673e2a4b20bf14e2c28cd312f8/FLAGde18e9af6 [2024-11-08 16:25:48,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/data/e17c413ea/39a4f9673e2a4b20bf14e2c28cd312f8 [2024-11-08 16:25:48,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:25:48,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:25:48,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:48,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:25:48,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:25:48,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd36848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48, skipping insertion in model container [2024-11-08 16:25:48,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:25:48,301 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_15940b13-fc85-45e8-929b-4dc33bb6661e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i[917,930] [2024-11-08 16:25:48,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:48,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:25:48,477 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_15940b13-fc85-45e8-929b-4dc33bb6661e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i[917,930] [2024-11-08 16:25:48,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:25:48,603 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:25:48,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48 WrapperNode [2024-11-08 16:25:48,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:25:48,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:25:48,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:25:48,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:25:48,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,722 INFO L138 Inliner]: procedures = 30, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 427 [2024-11-08 16:25:48,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:25:48,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:25:48,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:25:48,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:25:48,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,746 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,763 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-08 16:25:48,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:25:48,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:25:48,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:25:48,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:25:48,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (1/1) ... [2024-11-08 16:25:48,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:25:48,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:25:48,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:25:48,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:25:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:25:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 16:25:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 16:25:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 16:25:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 16:25:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 16:25:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 16:25:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:25:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:25:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 16:25:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:25:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:25:49,123 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:25:49,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:25:50,062 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-08 16:25:50,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:25:50,086 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:25:50,086 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:25:50,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:25:50 BoogieIcfgContainer [2024-11-08 16:25:50,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:25:50,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:25:50,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:25:50,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:25:50,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:25:48" (1/3) ... [2024-11-08 16:25:50,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d245ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:25:50, skipping insertion in model container [2024-11-08 16:25:50,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:25:48" (2/3) ... [2024-11-08 16:25:50,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d245ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:25:50, skipping insertion in model container [2024-11-08 16:25:50,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:25:50" (3/3) ... [2024-11-08 16:25:50,107 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-35.i [2024-11-08 16:25:50,157 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:25:50,158 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:25:50,239 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:25:50,247 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;@75c2932, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:25:50,247 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:25:50,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 80 states have (on average 1.375) internal successors, (110), 81 states have internal predecessors, (110), 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) [2024-11-08 16:25:50,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 16:25:50,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:25:50,272 INFO L215 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] [2024-11-08 16:25:50,272 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:25:50,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:50,280 INFO L85 PathProgramCache]: Analyzing trace with hash 997608570, now seen corresponding path program 1 times [2024-11-08 16:25:50,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:50,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181045979] [2024-11-08 16:25:50,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:50,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:25:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:25:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:25:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:25:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:25:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:25:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:25:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:25:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:25:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:25:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:25:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:25:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:25:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:25:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:25:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:25:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:25:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:25:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 16:25:50,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:50,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181045979] [2024-11-08 16:25:50,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181045979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:50,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:50,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:25:50,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665699474] [2024-11-08 16:25:50,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:50,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:25:50,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:51,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:25:51,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:25:51,027 INFO L87 Difference]: Start difference. First operand has 101 states, 80 states have (on average 1.375) internal successors, (110), 81 states have internal predecessors, (110), 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 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:25:51,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:25:51,067 INFO L93 Difference]: Finished difference Result 195 states and 304 transitions. [2024-11-08 16:25:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:25:51,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 1 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 143 [2024-11-08 16:25:51,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:25:51,080 INFO L225 Difference]: With dead ends: 195 [2024-11-08 16:25:51,080 INFO L226 Difference]: Without dead ends: 97 [2024-11-08 16:25:51,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:25:51,090 INFO L432 NwaCegarLoop]: 138 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, 138 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 [2024-11-08 16:25:51,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:25:51,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-08 16:25:51,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-08 16:25:51,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 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) [2024-11-08 16:25:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2024-11-08 16:25:51,149 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 143 [2024-11-08 16:25:51,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:25:51,150 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2024-11-08 16:25:51,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 16:25:51,151 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2024-11-08 16:25:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 16:25:51,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:25:51,158 INFO L215 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] [2024-11-08 16:25:51,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:25:51,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:25:51,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:51,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1302910232, now seen corresponding path program 1 times [2024-11-08 16:25:51,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:51,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278511504] [2024-11-08 16:25:51,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:51,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:25:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:25:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:25:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:25:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:25:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:25:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:25:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:25:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:25:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:25:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:25:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:25:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:25:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:25:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:25:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:25:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:25:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:25:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 16:25:51,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:51,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278511504] [2024-11-08 16:25:51,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278511504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:25:51,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:25:51,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:25:51,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3217577] [2024-11-08 16:25:51,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:51,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:25:51,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:25:51,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:25:51,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:25:51,915 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 16:25:52,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:25:52,065 INFO L93 Difference]: Finished difference Result 191 states and 273 transitions. [2024-11-08 16:25:52,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:25:52,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 143 [2024-11-08 16:25:52,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:25:52,071 INFO L225 Difference]: With dead ends: 191 [2024-11-08 16:25:52,072 INFO L226 Difference]: Without dead ends: 97 [2024-11-08 16:25:52,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:25:52,078 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:25:52,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:25:52,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-08 16:25:52,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-08 16:25:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 77 states have internal predecessors, (101), 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) [2024-11-08 16:25:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2024-11-08 16:25:52,102 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 143 [2024-11-08 16:25:52,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:25:52,108 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2024-11-08 16:25:52,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 16:25:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2024-11-08 16:25:52,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 16:25:52,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:25:52,112 INFO L215 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] [2024-11-08 16:25:52,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:25:52,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:25:52,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:25:52,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1186618730, now seen corresponding path program 1 times [2024-11-08 16:25:52,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:25:52,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343889449] [2024-11-08 16:25:52,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:52,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:25:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:25:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:25:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:25:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:25:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:25:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:25:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:25:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:25:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:25:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:25:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:25:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:25:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:25:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:25:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:25:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 16:25:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:55,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 16:25:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:56,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 16:25:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 16:25:56,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:25:56,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343889449] [2024-11-08 16:25:56,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343889449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:25:56,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792171333] [2024-11-08 16:25:56,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:25:56,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:25:56,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:25:56,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:25:56,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15940b13-fc85-45e8-929b-4dc33bb6661e/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:25:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:25:56,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 16:25:56,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:25:59,238 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 [2024-11-08 16:25:59,928 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 [2024-11-08 16:26:00,368 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 [2024-11-08 16:26:00,882 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 [2024-11-08 16:26:01,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:26:01,367 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 [2024-11-08 16:26:01,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:26:01,557 INFO L349 Elim1Store]: treesize reduction 72, result has 37.4 percent of original size [2024-11-08 16:26:01,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 70 [2024-11-08 16:26:03,326 INFO L349 Elim1Store]: treesize reduction 396, result has 28.0 percent of original size [2024-11-08 16:26:03,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 286 treesize of output 375 [2024-11-08 16:26:40,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:40,368 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:40,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2024-11-08 16:26:40,416 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 16:26:40,864 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:40,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2024-11-08 16:26:40,885 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 16:26:41,082 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:41,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 74 [2024-11-08 16:26:41,122 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 16:26:41,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:41,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:41,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:42,162 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:42,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 74 [2024-11-08 16:26:42,258 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:42,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2024-11-08 16:26:42,277 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 16:26:42,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:43,645 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:43,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 74 [2024-11-08 16:26:43,672 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 16:26:43,675 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 16:26:43,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:44,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:44,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:44,200 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:44,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2024-11-08 16:26:44,233 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 16:26:44,976 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:44,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 74 [2024-11-08 16:26:45,322 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:45,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2024-11-08 16:26:45,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:45,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:46,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:46,178 INFO L349 Elim1Store]: treesize reduction 58, result has 24.7 percent of original size [2024-11-08 16:26:46,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 78 [2024-11-08 16:26:46,302 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 16:26:46,613 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2024-11-08 16:26:46,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 86 [2024-11-08 16:26:46,697 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 16:26:47,370 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2024-11-08 16:26:47,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2024-11-08 16:26:47,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:26:48,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-08 16:27:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:17,394 INFO L349 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2024-11-08 16:27:17,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 57 [2024-11-08 16:27:17,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:17,532 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2024-11-08 16:27:17,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2024-11-08 16:27:18,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:18,149 INFO L349 Elim1Store]: treesize reduction 40, result has 48.7 percent of original size [2024-11-08 16:27:18,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 64 [2024-11-08 16:27:18,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:18,621 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:18,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2024-11-08 16:27:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:18,756 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:18,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2024-11-08 16:27:18,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:19,013 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2024-11-08 16:27:19,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2024-11-08 16:27:19,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:19,755 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2024-11-08 16:27:19,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2024-11-08 16:27:20,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:20,265 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:20,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 50 [2024-11-08 16:27:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:20,361 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2024-11-08 16:27:20,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2024-11-08 16:27:20,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:20,587 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:20,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 50 [2024-11-08 16:27:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:21,390 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:21,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2024-11-08 16:27:21,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:21,602 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:21,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2024-11-08 16:27:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:21,674 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:21,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2024-11-08 16:27:21,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:21,894 INFO L349 Elim1Store]: treesize reduction 68, result has 45.6 percent of original size [2024-11-08 16:27:21,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 33 treesize of output 80 [2024-11-08 16:27:25,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:25,452 INFO L349 Elim1Store]: treesize reduction 40, result has 48.7 percent of original size [2024-11-08 16:27:25,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 64 [2024-11-08 16:27:25,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:25,910 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:25,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 50 [2024-11-08 16:27:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:26,219 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:26,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2024-11-08 16:27:26,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:26,322 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:26,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2024-11-08 16:27:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:26,645 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:26,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 50 [2024-11-08 16:27:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:26,997 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2024-11-08 16:27:26,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2024-11-08 16:27:27,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 16:27:27,739 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-08 16:27:27,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 34 [2024-11-08 16:28:04,002 WARN L286 SmtUtils]: Spent 30.30s on a formula simplification. DAG size of input: 1558 DAG size of output: 1558 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 16:29:16,143 INFO L224 Elim1Store]: Index analysis took 235 ms