./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c --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_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/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_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/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_d9bc1529-b67a-4f42-b6e2-173371b57b04/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 ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:09:42,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:09:42,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:09:42,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:09:42,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:09:42,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:09:42,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:09:42,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:09:42,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:09:42,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:09:42,787 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:09:42,787 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:09:42,788 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:09:42,788 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:09:42,789 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:09:42,789 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:09:42,792 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:09:42,792 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:09:42,793 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:09:42,793 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:09:42,794 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:09:42,798 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:09:42,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:09:42,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:09:42,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:09:42,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:09:42,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:09:42,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:09:42,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:09:42,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:09:42,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:09:42,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:09:42,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:09:42,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:09:42,804 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:09:42,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:09:42,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:09:42,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:09:42,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:09:42,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:09:42,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:09:42,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:09:42,807 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:09:42,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:09:42,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:09:42,809 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:09:42,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:09:42,809 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_d9bc1529-b67a-4f42-b6e2-173371b57b04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2024-11-09 06:09:43,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:09:43,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:09:43,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:09:43,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:09:43,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:09:43,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c Unable to find full path for "g++" [2024-11-09 06:09:45,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:09:45,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:09:45,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2024-11-09 06:09:45,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/data/4ec38228a/f155392a57cb4255b021b58cf960d363/FLAGcf2b13904 [2024-11-09 06:09:45,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/data/4ec38228a/f155392a57cb4255b021b58cf960d363 [2024-11-09 06:09:45,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:09:45,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:09:45,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:09:45,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:09:45,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:09:45,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7599de6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45, skipping insertion in model container [2024-11-09 06:09:45,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,589 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:09:45,803 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_d9bc1529-b67a-4f42-b6e2-173371b57b04/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-09 06:09:45,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:09:45,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:09:45,844 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_d9bc1529-b67a-4f42-b6e2-173371b57b04/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-09 06:09:45,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:09:45,875 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:09:45,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45 WrapperNode [2024-11-09 06:09:45,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:09:45,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:09:45,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:09:45,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:09:45,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,921 INFO L138 Inliner]: procedures = 16, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2024-11-09 06:09:45,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:09:45,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:09:45,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:09:45,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:09:45,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:09:45,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:09:45,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:09:45,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:09:45,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (1/1) ... [2024-11-09 06:09:45,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:09:45,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:09:46,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:09:46,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:09:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:09:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:09:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:09:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:09:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:09:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:09:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:09:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-09 06:09:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-09 06:09:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 06:09:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 06:09:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:09:46,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:09:46,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:09:46,474 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-09 06:09:46,475 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:09:46,524 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:09:46,525 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:09:46,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:09:46 BoogieIcfgContainer [2024-11-09 06:09:46,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:09:46,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:09:46,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:09:46,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:09:46,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:09:45" (1/3) ... [2024-11-09 06:09:46,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15280dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:09:46, skipping insertion in model container [2024-11-09 06:09:46,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:09:45" (2/3) ... [2024-11-09 06:09:46,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15280dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:09:46, skipping insertion in model container [2024-11-09 06:09:46,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:09:46" (3/3) ... [2024-11-09 06:09:46,538 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_ps2-ll.c [2024-11-09 06:09:46,560 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:09:46,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:09:46,648 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:09:46,658 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;@682cbe9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:09:46,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:09:46,665 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) [2024-11-09 06:09:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:09:46,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:09:46,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:09:46,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:09:46,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:09:46,686 INFO L85 PathProgramCache]: Analyzing trace with hash -248335761, now seen corresponding path program 1 times [2024-11-09 06:09:46,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:09:46,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291138765] [2024-11-09 06:09:46,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:09:46,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:09:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:09:46,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287169392] [2024-11-09 06:09:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:09:46,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:09:46,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:09:46,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:09:46,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:09:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:09:47,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 06:09:47,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:09:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:47,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:47,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:47,484 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2024-11-09 06:09:47,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 333 [2024-11-09 06:09:47,541 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 06:09:47,605 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 06:09:47,696 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:09:47,696 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 110 treesize of output 100 [2024-11-09 06:09:48,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 33 treesize of output 50 [2024-11-09 06:09:48,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 33 treesize of output 50 [2024-11-09 06:09:48,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 33 treesize of output 50 [2024-11-09 06:09:48,418 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,450 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,456 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,459 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,470 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 237 [2024-11-09 06:09:48,808 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,841 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,848 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,859 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:48,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 279 [2024-11-09 06:09:49,082 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:09:49,162 INFO L349 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2024-11-09 06:09:49,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 271 treesize of output 250 [2024-11-09 06:09:49,709 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 [2024-11-09 06:09:50,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:50,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:50,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:50,382 INFO L349 Elim1Store]: treesize reduction 191, result has 20.7 percent of original size [2024-11-09 06:09:50,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 343 treesize of output 425 [2024-11-09 06:09:51,186 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-09 06:09:51,187 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 2 case distinctions, treesize of input 21 treesize of output 11 [2024-11-09 06:09:51,433 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-09 06:09:51,433 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 2 case distinctions, treesize of input 21 treesize of output 11 [2024-11-09 06:09:52,382 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-09 06:09:52,383 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 2 case distinctions, treesize of input 21 treesize of output 11 [2024-11-09 06:09:55,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:55,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:55,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:55,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 300 [2024-11-09 06:09:55,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:55,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 105 treesize of output 106 [2024-11-09 06:09:55,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:55,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:55,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:55,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 269 treesize of output 297 [2024-11-09 06:09:55,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 62 treesize of output 38 [2024-11-09 06:09:56,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:56,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:56,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 196 [2024-11-09 06:09:56,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:56,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:56,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:56,528 INFO L349 Elim1Store]: treesize reduction 201, result has 12.2 percent of original size [2024-11-09 06:09:56,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 12933 treesize of output 12761 [2024-11-09 06:09:58,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:58,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:58,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:58,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 1014 treesize of output 1015 [2024-11-09 06:09:59,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:59,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:59,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:09:59,192 INFO L349 Elim1Store]: treesize reduction 149, result has 22.8 percent of original size [2024-11-09 06:09:59,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 3714 treesize of output 3394 [2024-11-09 06:10:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:00,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:00,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:00,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:00,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:00,033 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 134 [2024-11-09 06:10:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:00,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:00,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 491 treesize of output 496 [2024-11-09 06:10:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:07,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:10:07,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 19 select indices, 19 select index equivalence classes, 1 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 170 case distinctions, treesize of input 23065 treesize of output 21825 [2024-11-09 06:10:08,683 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 1232 treesize of output 1230 [2024-11-09 06:10:08,994 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 1230 treesize of output 1228 [2024-11-09 06:10:09,312 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 1228 treesize of output 1226 [2024-11-09 06:10:09,630 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 1226 treesize of output 1224 [2024-11-09 06:10:10,030 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 1224 treesize of output 1222 [2024-11-09 06:10:10,392 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 1222 treesize of output 1220 [2024-11-09 06:10:10,770 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 1220 treesize of output 1218 [2024-11-09 06:10:13,455 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:10:13,456 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 20 treesize of output 22 [2024-11-09 06:10:39,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:10:39,074 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:10:39,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:10:39,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291138765] [2024-11-09 06:10:39,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:10:39,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287169392] [2024-11-09 06:10:39,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287169392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:10:39,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:10:39,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:10:39,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714302578] [2024-11-09 06:10:39,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:10:39,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:10:39,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:10:39,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:10:39,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:10:39,108 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) [2024-11-09 06:10:47,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:49,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:10:49,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:10:49,470 INFO L93 Difference]: Finished difference Result 46 states and 60 transitions. [2024-11-09 06:10:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:10:49,471 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 [2024-11-09 06:10:49,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:10:49,477 INFO L225 Difference]: With dead ends: 46 [2024-11-09 06:10:49,477 INFO L226 Difference]: Without dead ends: 26 [2024-11-09 06:10:49,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=26, Invalid=83, Unknown=1, NotChecked=0, Total=110 [2024-11-09 06:10:49,483 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:10:49,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 88 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 3 Unknown, 0 Unchecked, 5.0s Time] [2024-11-09 06:10:49,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-09 06:10:49,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2024-11-09 06:10:49,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.125) internal successors, (18), 18 states have internal predecessors, (18), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:10:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2024-11-09 06:10:49,533 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 8 [2024-11-09 06:10:49,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:10:49,534 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2024-11-09 06:10:49,534 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) [2024-11-09 06:10:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-11-09 06:10:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 06:10:49,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:10:49,536 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:10:49,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:10:49,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:10:49,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:10:49,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:10:49,742 INFO L85 PathProgramCache]: Analyzing trace with hash -2110697342, now seen corresponding path program 1 times [2024-11-09 06:10:49,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:10:49,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594275220] [2024-11-09 06:10:49,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:10:49,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:10:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:10:49,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313712904] [2024-11-09 06:10:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:10:49,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:10:49,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:10:49,823 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:10:49,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9bc1529-b67a-4f42-b6e2-173371b57b04/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:10:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:10:49,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-09 06:10:49,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:10:49,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:49,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:49,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:50,132 INFO L349 Elim1Store]: treesize reduction 127, result has 27.4 percent of original size [2024-11-09 06:10:50,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 207 [2024-11-09 06:10:50,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:50,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:50,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:50,211 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:10:50,304 INFO L349 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2024-11-09 06:10:50,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 130 [2024-11-09 06:10:50,352 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:10:50,353 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 76 treesize of output 70 [2024-11-09 06:10:50,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 06:10:50,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-09 06:10:50,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-09 06:10:50,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-09 06:10:50,805 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2024-11-09 06:10:50,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 171 [2024-11-09 06:10:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:51,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 49 treesize of output 25 [2024-11-09 06:10:51,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-09 06:10:51,506 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 [2024-11-09 06:10:51,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:51,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:51,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:51,614 INFO L349 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2024-11-09 06:10:51,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 102 treesize of output 69 [2024-11-09 06:10:51,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-09 06:10:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:56,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:10:58,683 INFO L349 Elim1Store]: treesize reduction 1190, result has 16.7 percent of original size [2024-11-09 06:10:58,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 3 disjoint index pairs (out of 136 index pairs), introduced 18 new quantified variables, introduced 147 case distinctions, treesize of input 3712 treesize of output 3578 [2024-11-09 06:10:58,736 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 207 [2024-11-09 06:10:58,769 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 202 treesize of output 200 [2024-11-09 06:10:58,807 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 196 [2024-11-09 06:10:58,843 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 190 [2024-11-09 06:10:58,928 INFO L349 Elim1Store]: treesize reduction 11, result has 50.0 percent of original size [2024-11-09 06:10:58,929 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 1 case distinctions, treesize of input 184 treesize of output 191 [2024-11-09 06:10:58,969 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 174 [2024-11-09 06:10:59,259 INFO L224 Elim1Store]: Index analysis took 239 ms [2024-11-09 06:11:00,707 INFO L349 Elim1Store]: treesize reduction 1190, result has 16.7 percent of original size [2024-11-09 06:11:00,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 3 disjoint index pairs (out of 136 index pairs), introduced 18 new quantified variables, introduced 147 case distinctions, treesize of input 361 treesize of output 539 [2024-11-09 06:11:00,961 INFO L224 Elim1Store]: Index analysis took 186 ms [2024-11-09 06:11:02,416 INFO L349 Elim1Store]: treesize reduction 1232, result has 16.2 percent of original size [2024-11-09 06:11:02,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 3 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 147 case distinctions, treesize of input 333 treesize of output 534 [2024-11-09 06:11:02,566 INFO L349 Elim1Store]: treesize reduction 11, result has 50.0 percent of original size [2024-11-09 06:11:02,567 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 1 case distinctions, treesize of input 152 treesize of output 159 [2024-11-09 06:11:02,685 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 143 treesize of output 141 [2024-11-09 06:11:02,825 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 137 [2024-11-09 06:11:02,947 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 131 [2024-11-09 06:11:03,034 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 125 [2024-11-09 06:11:03,118 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 119 [2024-11-09 06:12:07,795 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 [2024-11-09 06:12:07,834 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 [2024-11-09 06:12:07,884 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 [2024-11-09 06:12:07,924 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 [2024-11-09 06:12:07,975 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 [2024-11-09 06:12:08,018 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 [2024-11-09 06:12:08,051 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 [2024-11-09 06:12:08,114 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 [2024-11-09 06:12:08,180 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 [2024-11-09 06:12:08,242 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 [2024-11-09 06:12:08,279 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 [2024-11-09 06:12:08,322 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 [2024-11-09 06:12:08,362 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 [2024-11-09 06:12:08,410 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 9 [2024-11-09 06:12:08,417 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:12:08,418 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 15 treesize of output 19 [2024-11-09 06:13:33,833 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 529 DAG size of output: 625 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 06:18:18,354 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 1102 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 06:20:36,027 WARN L286 SmtUtils]: Spent 15.68s on a formula simplification. DAG size of input: 879 DAG size of output: 881 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 06:20:51,227 WARN L286 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 870 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 06:21:16,956 WARN L286 SmtUtils]: Spent 25.73s on a formula simplification. DAG size of input: 871 DAG size of output: 886 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 06:21:41,992 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 838 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 06:23:23,987 WARN L286 SmtUtils]: Spent 14.43s on a formula simplification that was a NOOP. DAG size: 869 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 06:23:54,816 WARN L286 SmtUtils]: Spent 23.85s on a formula simplification. DAG size of input: 867 DAG size of output: 922 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)