./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2 --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 d2226df89556021067dd01a2668200dd1f99aac7ec2d26741f3688f0af887e5c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:22:34,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:22:34,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:22:34,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:22:34,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:22:34,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:22:34,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:22:34,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:22:34,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:22:34,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:22:34,694 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:22:34,695 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:22:34,695 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:22:34,695 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:22:34,696 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:22:34,696 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:22:34,697 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:22:34,700 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:22:34,700 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:22:34,701 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:22:34,701 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:22:34,702 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:22:34,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:22:34,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:22:34,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:22:34,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:22:34,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:22:34,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:22:34,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:22:34,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:22:34,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:22:34,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:22:34,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:22:34,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:22:34,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:22:34,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:22:34,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:22:34,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:22:34,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:34,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:22:34,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:22:34,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:22:34,714 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:22:34,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:22:34,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:22:34,716 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:22:34,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:22:34,717 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_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2226df89556021067dd01a2668200dd1f99aac7ec2d26741f3688f0af887e5c [2024-11-02 11:22:34,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:22:35,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:22:35,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:22:35,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:22:35,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:22:35,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c Unable to find full path for "g++" [2024-11-02 11:22:37,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:22:37,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:22:37,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c [2024-11-02 11:22:37,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/data/13f654696/33f856882883476ba1b225d8f28b0401/FLAGbdcef9c45 [2024-11-02 11:22:37,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/data/13f654696/33f856882883476ba1b225d8f28b0401 [2024-11-02 11:22:37,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:22:37,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:22:37,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:37,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:22:37,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:22:37,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29590373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37, skipping insertion in model container [2024-11-02 11:22:37,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:22:37,673 WARN L251 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_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2024-11-02 11:22:37,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:37,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:22:37,731 WARN L251 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_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2024-11-02 11:22:37,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:37,765 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:22:37,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37 WrapperNode [2024-11-02 11:22:37,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:37,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:37,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:22:37,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:22:37,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,804 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2024-11-02 11:22:37,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:37,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:22:37,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:22:37,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:22:37,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:22:37,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:22:37,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:22:37,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:22:37,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (1/1) ... [2024-11-02 11:22:37,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:37,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:37,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:22:37,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:22:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2024-11-02 11:22:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2024-11-02 11:22:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:22:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:22:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:22:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:22:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:22:37,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:22:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:22:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:22:37,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:22:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:22:37,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:22:37,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:22:38,215 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-02 11:22:38,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:22:38,266 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:22:38,266 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:22:38,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:38 BoogieIcfgContainer [2024-11-02 11:22:38,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:22:38,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:22:38,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:22:38,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:22:38,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:22:37" (1/3) ... [2024-11-02 11:22:38,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791cb146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:38, skipping insertion in model container [2024-11-02 11:22:38,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:37" (2/3) ... [2024-11-02 11:22:38,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791cb146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:38, skipping insertion in model container [2024-11-02 11:22:38,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:38" (3/3) ... [2024-11-02 11:22:38,276 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_geo1-u.c [2024-11-02 11:22:38,291 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:22:38,291 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:22:38,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:22:38,367 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;@2180b807, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:22:38,368 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:22:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-02 11:22:38,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-02 11:22:38,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:38,382 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:38,383 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:38,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:38,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1288934217, now seen corresponding path program 1 times [2024-11-02 11:22:38,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:22:38,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431018192] [2024-11-02 11:22:38,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:38,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:22:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 11:22:38,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268672891] [2024-11-02 11:22:38,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:38,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:22:38,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:38,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:22:38,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:22:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:22:38,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-02 11:22:38,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:22:39,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 190 treesize of output 88 [2024-11-02 11:22:39,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2024-11-02 11:22:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:39,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2024-11-02 11:22:39,246 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-02 11:22:39,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2024-11-02 11:22:39,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 42 [2024-11-02 11:22:39,291 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 9 treesize of output 7 [2024-11-02 11:22:39,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2024-11-02 11:22:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 11:22:39,564 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:22:39,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:22:39,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431018192] [2024-11-02 11:22:39,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-02 11:22:39,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268672891] [2024-11-02 11:22:39,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268672891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:22:39,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:22:39,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 11:22:39,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373330527] [2024-11-02 11:22:39,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:22:39,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-02 11:22:39,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:22:39,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-02 11:22:39,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-02 11:22:39,600 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 8 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:22:40,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:22:40,011 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2024-11-02 11:22:40,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-02 11:22:40,014 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-02 11:22:40,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:22:40,022 INFO L225 Difference]: With dead ends: 50 [2024-11-02 11:22:40,023 INFO L226 Difference]: Without dead ends: 30 [2024-11-02 11:22:40,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-02 11:22:40,032 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:22:40,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 71 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:22:40,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-02 11:22:40,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2024-11-02 11:22:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-02 11:22:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2024-11-02 11:22:40,088 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 8 [2024-11-02 11:22:40,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:22:40,090 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2024-11-02 11:22:40,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 11:22:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-11-02 11:22:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-02 11:22:40,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:40,092 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:40,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 11:22:40,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:22:40,297 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:40,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:40,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1531368910, now seen corresponding path program 1 times [2024-11-02 11:22:40,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:22:40,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189446946] [2024-11-02 11:22:40,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:40,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:22:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 11:22:40,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [404913992] [2024-11-02 11:22:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:40,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:22:40,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:40,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:22:40,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9035eaa1-3bf8-4bdb-826b-5428d9590f4e/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-02 11:22:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:22:41,088 WARN L253 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-11-02 11:22:41,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:22:41,176 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:41,261 INFO L349 Elim1Store]: treesize reduction 94, result has 29.3 percent of original size [2024-11-02 11:22:41,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 132 treesize of output 87 [2024-11-02 11:22:41,424 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:41,425 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:41,442 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-02 11:22:41,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 33 [2024-11-02 11:22:41,467 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 30 treesize of output 22 [2024-11-02 11:22:41,578 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:41,579 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:41,623 INFO L349 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2024-11-02 11:22:41,624 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 2 case distinctions, treesize of input 59 treesize of output 22 [2024-11-02 11:22:41,648 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:41,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:41,738 INFO L349 Elim1Store]: treesize reduction 78, result has 32.2 percent of original size [2024-11-02 11:22:41,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 44 [2024-11-02 11:22:41,800 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:41,907 INFO L349 Elim1Store]: treesize reduction 118, result has 28.5 percent of original size [2024-11-02 11:22:41,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 132 treesize of output 95 [2024-11-02 11:22:41,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:41,973 INFO L349 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2024-11-02 11:22:41,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 6 case distinctions, treesize of input 40 treesize of output 32 [2024-11-02 11:22:42,026 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 11:22:42,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-02 11:22:42,147 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:42,192 INFO L349 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2024-11-02 11:22:42,192 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 2 case distinctions, treesize of input 59 treesize of output 22 [2024-11-02 11:22:42,220 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:42,287 INFO L349 Elim1Store]: treesize reduction 135, result has 10.0 percent of original size [2024-11-02 11:22:42,288 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 3 case distinctions, treesize of input 155 treesize of output 22 [2024-11-02 11:22:42,347 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:42,374 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-02 11:22:42,375 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 2 case distinctions, treesize of input 59 treesize of output 1 [2024-11-02 11:22:42,382 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:42,383 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:42,412 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-02 11:22:42,412 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 2 case distinctions, treesize of input 59 treesize of output 1 [2024-11-02 11:22:42,603 INFO L349 Elim1Store]: treesize reduction 146, result has 27.4 percent of original size [2024-11-02 11:22:42,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 274 treesize of output 172 [2024-11-02 11:22:42,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:42,910 INFO L349 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2024-11-02 11:22:42,911 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 6 case distinctions, treesize of input 46 treesize of output 38 [2024-11-02 11:22:42,968 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 26 treesize of output 20 [2024-11-02 11:22:43,030 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:43,106 INFO L349 Elim1Store]: treesize reduction 102, result has 23.3 percent of original size [2024-11-02 11:22:43,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 132 treesize of output 79 [2024-11-02 11:22:43,621 INFO L349 Elim1Store]: treesize reduction 442, result has 15.5 percent of original size [2024-11-02 11:22:43,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 1374 treesize of output 297 [2024-11-02 11:22:43,918 INFO L349 Elim1Store]: treesize reduction 138, result has 22.9 percent of original size [2024-11-02 11:22:43,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 17 case distinctions, treesize of input 79 treesize of output 88 [2024-11-02 11:22:44,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 11:22:44,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2024-11-02 11:22:45,448 INFO L349 Elim1Store]: treesize reduction 154, result has 23.4 percent of original size [2024-11-02 11:22:45,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 274 treesize of output 164 [2024-11-02 11:22:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:45,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:45,670 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-02 11:22:45,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 84 treesize of output 66 [2024-11-02 11:22:45,699 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 20 treesize of output 16 [2024-11-02 11:22:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:46,097 INFO L349 Elim1Store]: treesize reduction 456, result has 17.2 percent of original size [2024-11-02 11:22:46,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 736 treesize of output 161 [2024-11-02 11:22:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:50,178 INFO L349 Elim1Store]: treesize reduction 175, result has 31.4 percent of original size [2024-11-02 11:22:50,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 344 treesize of output 141 [2024-11-02 11:22:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:50,376 INFO L349 Elim1Store]: treesize reduction 39, result has 39.1 percent of original size [2024-11-02 11:22:50,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 74 treesize of output 67 [2024-11-02 11:22:50,391 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 9 treesize of output 7 [2024-11-02 11:22:50,558 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 11:22:50,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2024-11-02 11:22:50,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:50,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:50,684 INFO L349 Elim1Store]: treesize reduction 86, result has 25.2 percent of original size [2024-11-02 11:22:50,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 36 [2024-11-02 11:22:50,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:50,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:50,801 INFO L349 Elim1Store]: treesize reduction 86, result has 25.2 percent of original size [2024-11-02 11:22:50,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 36 [2024-11-02 11:22:51,189 INFO L349 Elim1Store]: treesize reduction 186, result has 25.3 percent of original size [2024-11-02 11:22:51,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 282 treesize of output 188 [2024-11-02 11:22:51,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:51,323 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2024-11-02 11:22:51,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 58 treesize of output 42 [2024-11-02 11:22:51,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 11:22:51,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2024-11-02 11:22:51,454 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-02 11:22:51,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:51,522 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-02 11:22:51,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 55 treesize of output 37 [2024-11-02 11:22:51,559 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 11 treesize of output 7 [2024-11-02 11:22:51,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 11:22:51,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-02 11:22:52,122 INFO L349 Elim1Store]: treesize reduction 466, result has 18.4 percent of original size [2024-11-02 11:22:52,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 1374 treesize of output 321 [2024-11-02 11:22:57,151 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-02 11:22:57,184 INFO L349 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2024-11-02 11:22:57,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 132 treesize of output 1 [2024-11-02 11:22:57,336 INFO L349 Elim1Store]: treesize reduction 186, result has 25.3 percent of original size [2024-11-02 11:22:57,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 274 treesize of output 180 [2024-11-02 11:22:57,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:57,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:57,422 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2024-11-02 11:22:57,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 58 treesize of output 42 [2024-11-02 11:22:57,460 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 5 treesize of output 3 [2024-11-02 11:22:57,486 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 11:22:57,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2024-11-02 11:22:57,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:57,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-02 11:22:57,583 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-02 11:22:57,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 50 treesize of output 34 [2024-11-02 11:22:57,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 11:22:57,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-02 11:22:57,840 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-02 11:22:57,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53