./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06cf0f0e06098dbd1136039511f326932a550d3a95d6c25d31884324ad030bdc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:50:47,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:50:47,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:50:47,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:50:47,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:50:47,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:50:47,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:50:47,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:50:47,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:50:47,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:50:47,912 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:50:47,913 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:50:47,913 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:50:47,914 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:50:47,914 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:50:47,915 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:50:47,915 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:50:47,916 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:50:47,916 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:50:47,917 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:50:47,917 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:50:47,918 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:50:47,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:50:47,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:50:47,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:50:47,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:50:47,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:50:47,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:50:47,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:50:47,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:50:47,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:50:47,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:50:47,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:50:47,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:50:47,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:50:47,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:50:47,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:50:47,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:50:47,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:47,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:50:47,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:50:47,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:50:47,927 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:50:47,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:50:47,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:50:47,928 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:50:47,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:50:47,928 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06cf0f0e06098dbd1136039511f326932a550d3a95d6c25d31884324ad030bdc [2024-11-09 06:50:48,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:50:48,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:50:48,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:50:48,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:50:48,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:50:48,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i Unable to find full path for "g++" [2024-11-09 06:50:50,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:50:50,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:50:50,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i [2024-11-09 06:50:50,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/data/ccda3e677/26b86eed36a4426e9c20857279e9be85/FLAG7cd7be7cc [2024-11-09 06:50:51,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/data/ccda3e677/26b86eed36a4426e9c20857279e9be85 [2024-11-09 06:50:51,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:50:51,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:50:51,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:51,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:50:51,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:50:51,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364e4c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51, skipping insertion in model container [2024-11-09 06:50:51,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:50:51,402 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_209d8da2-2297-478b-9f98-7782b2ba422b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i[916,929] [2024-11-09 06:50:51,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:51,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:50:51,501 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_209d8da2-2297-478b-9f98-7782b2ba422b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-62.i[916,929] [2024-11-09 06:50:51,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:51,566 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:50:51,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51 WrapperNode [2024-11-09 06:50:51,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:51,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:51,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:50:51,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:50:51,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,635 INFO L138 Inliner]: procedures = 26, calls = 116, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 349 [2024-11-09 06:50:51,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:51,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:50:51,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:50:51,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:50:51,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:50:51,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:50:51,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:50:51,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:50:51,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (1/1) ... [2024-11-09 06:50:51,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:50:51,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:50:51,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:50:51,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:50:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:50:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:50:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:50:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:50:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:50:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:50:51,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:50:51,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:50:52,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:50:52,017 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:50:52,648 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-11-09 06:50:52,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:50:53,200 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:50:53,200 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:50:53,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:53 BoogieIcfgContainer [2024-11-09 06:50:53,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:50:53,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:50:53,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:50:53,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:50:53,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:50:51" (1/3) ... [2024-11-09 06:50:53,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75751229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:53, skipping insertion in model container [2024-11-09 06:50:53,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:51" (2/3) ... [2024-11-09 06:50:53,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75751229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:53, skipping insertion in model container [2024-11-09 06:50:53,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:53" (3/3) ... [2024-11-09 06:50:53,212 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-62.i [2024-11-09 06:50:53,236 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:50:53,237 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:50:53,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:50:53,327 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7bf6027c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:50:53,327 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:50:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:50:53,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 06:50:53,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:50:53,345 INFO L215 NwaCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:50:53,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:50:53,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:53,352 INFO L85 PathProgramCache]: Analyzing trace with hash 701901625, now seen corresponding path program 1 times [2024-11-09 06:50:53,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:50:53,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123420475] [2024-11-09 06:50:53,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:53,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 06:51:17,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:51:17,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123420475] [2024-11-09 06:51:17,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123420475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:51:17,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825506226] [2024-11-09 06:51:17,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:51:17,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:51:17,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:51:17,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:51:17,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_209d8da2-2297-478b-9f98-7782b2ba422b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:51:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:51:18,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-09 06:51:18,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:51:18,518 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 [2024-11-09 06:51:19,258 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 [2024-11-09 06:51:19,868 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 23 treesize of output 11 [2024-11-09 06:51:20,331 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 23 treesize of output 11 [2024-11-09 06:51:22,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 88 [2024-11-09 06:51:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:23,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 418 treesize of output 436 [2024-11-09 06:51:23,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 75 [2024-11-09 06:51:24,006 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 17 treesize of output 15 [2024-11-09 06:51:24,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 64 [2024-11-09 06:51:25,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 9 [2024-11-09 06:51:27,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:27,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 595 treesize of output 573 [2024-11-09 06:51:27,713 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 25 treesize of output 19 [2024-11-09 06:51:28,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 137 [2024-11-09 06:51:28,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:28,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 112 [2024-11-09 06:51:29,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:29,094 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-09 06:51:29,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 3 case distinctions, treesize of input 164 treesize of output 164 [2024-11-09 06:51:30,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:51:30,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 1087 treesize of output 809 [2024-11-09 06:51:30,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 809 treesize of output 769 [2024-11-09 06:51:30,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 769 treesize of output 713 [2024-11-09 06:51:31,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:51:31,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 631 treesize of output 944 [2024-11-09 06:51:31,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 583 treesize of output 584 [2024-11-09 06:51:31,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 658 treesize of output 638 [2024-11-09 06:51:32,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:51:32,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 560 treesize of output 901 [2024-11-09 06:51:32,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 540 treesize of output 541 [2024-11-09 06:51:32,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 533 treesize of output 534 [2024-11-09 06:51:32,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 526 treesize of output 527 [2024-11-09 06:51:32,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 519 treesize of output 520 [2024-11-09 06:51:32,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 512 treesize of output 513 [2024-11-09 06:51:33,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 505 treesize of output 503 [2024-11-09 06:51:33,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 503 treesize of output 501 [2024-11-09 06:51:35,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 495 treesize of output 467 [2024-11-09 06:51:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 50 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 06:51:39,217 INFO L311 TraceCheckSpWp]: Computing backward predicates...