./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --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 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:06:54,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:06:54,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:06:54,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:06:54,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:06:54,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:06:54,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:06:54,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:06:54,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:06:54,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:06:54,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:06:54,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:06:54,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:06:54,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:06:54,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:06:54,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:06:54,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:06:54,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:06:54,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:06:54,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:06:54,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:06:54,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:06:54,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:06:54,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:06:54,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:06:54,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:06:54,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:06:54,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:06:54,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:06:54,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:06:54,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:06:54,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:06:54,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:06:54,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:06:54,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:06:54,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:06:54,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:06:54,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:06:54,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:06:54,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:06:54,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:06:54,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 01:06:54,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:06:54,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:06:54,723 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:06:54,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:06:54,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:06:54,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:06:54,724 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:06:54,725 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:06:54,725 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:06:54,725 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:06:54,725 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:06:54,726 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:06:54,726 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:06:54,726 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:06:54,726 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:06:54,727 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:06:54,727 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:06:54,727 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:06:54,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:06:54,732 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:06:54,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:06:54,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:06:54,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:06:54,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:06:54,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:06:54,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:06:54,734 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:06:54,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:06:54,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:06:54,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:06:54,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:06:54,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:06:54,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:54,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:06:54,736 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:06:54,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:06:54,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:06:54,738 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:06:54,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:06:54,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:06:54,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:06:54,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-26 01:06:55,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:06:55,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:06:55,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:06:55,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:06:55,066 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:06:55,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-26 01:06:58,190 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:06:58,570 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:06:58,570 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-26 01:06:58,587 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/data/3e83cd88c/b52958ea8deb4e3594bad112d86aa532/FLAGfbb10ec05 [2022-11-26 01:06:58,605 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/data/3e83cd88c/b52958ea8deb4e3594bad112d86aa532 [2022-11-26 01:06:58,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:06:58,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:06:58,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:58,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:06:58,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:06:58,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:58" (1/1) ... [2022-11-26 01:06:58,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4488bfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:58, skipping insertion in model container [2022-11-26 01:06:58,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:58" (1/1) ... [2022-11-26 01:06:58,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:06:58,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:06:59,038 WARN L237 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_315d75f4-003f-4638-a483-795c9df3b5e3/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-26 01:06:59,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:06:59,227 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:06:59,291 WARN L237 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_315d75f4-003f-4638-a483-795c9df3b5e3/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-26 01:06:59,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:06:59,428 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:06:59,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59 WrapperNode [2022-11-26 01:06:59,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:59,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:06:59,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:06:59,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:06:59,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,528 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 395 [2022-11-26 01:06:59,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:06:59,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:06:59,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:06:59,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:06:59,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:06:59,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:06:59,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:06:59,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:06:59,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:59,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:59,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:06:59,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:06:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:06:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:06:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 01:06:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 01:06:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:06:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:06:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:06:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-26 01:06:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-26 01:06:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:06:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-26 01:06:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-26 01:06:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-26 01:06:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-26 01:06:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:06:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 01:06:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-26 01:06:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-26 01:06:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:06:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:06:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:07:00,035 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:07:00,037 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:07:03,081 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:07:03,223 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:07:03,223 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 01:07:03,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:03 BoogieIcfgContainer [2022-11-26 01:07:03,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:07:03,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:07:03,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:07:03,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:07:03,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:06:58" (1/3) ... [2022-11-26 01:07:03,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55faf730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:07:03, skipping insertion in model container [2022-11-26 01:07:03,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59" (2/3) ... [2022-11-26 01:07:03,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55faf730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:07:03, skipping insertion in model container [2022-11-26 01:07:03,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:07:03" (3/3) ... [2022-11-26 01:07:03,238 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-11-26 01:07:03,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:07:03,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 01:07:03,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:07:03,344 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5c15e295, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:07:03,344 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 01:07:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 55 states have internal predecessors, (68), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-26 01:07:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-26 01:07:03,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:03,368 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:03,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:03,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:03,375 INFO L85 PathProgramCache]: Analyzing trace with hash 96644470, now seen corresponding path program 1 times [2022-11-26 01:07:03,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:03,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563029475] [2022-11-26 01:07:03,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:03,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-26 01:07:06,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:06,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563029475] [2022-11-26 01:07:06,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563029475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:06,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:06,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:07:06,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406952065] [2022-11-26 01:07:06,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:06,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:07:06,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:06,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:07:06,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:06,176 INFO L87 Difference]: Start difference. First operand has 93 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 55 states have internal predecessors, (68), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:07:08,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:08,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:08,437 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2022-11-26 01:07:08,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:07:08,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 82 [2022-11-26 01:07:08,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:08,456 INFO L225 Difference]: With dead ends: 185 [2022-11-26 01:07:08,456 INFO L226 Difference]: Without dead ends: 93 [2022-11-26 01:07:08,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:08,469 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 2 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:08,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 232 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 01:07:08,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-26 01:07:08,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2022-11-26 01:07:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-26 01:07:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2022-11-26 01:07:08,570 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 82 [2022-11-26 01:07:08,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:08,570 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2022-11-26 01:07:08,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:07:08,572 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2022-11-26 01:07:08,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-26 01:07:08,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:08,589 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:08,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:07:08,590 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:08,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:08,592 INFO L85 PathProgramCache]: Analyzing trace with hash -527099410, now seen corresponding path program 1 times [2022-11-26 01:07:08,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:08,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84176379] [2022-11-26 01:07:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:08,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-26 01:07:10,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:10,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84176379] [2022-11-26 01:07:10,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84176379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:10,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:10,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:07:10,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608450371] [2022-11-26 01:07:10,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:10,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:07:10,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:10,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:07:10,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:10,461 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:07:12,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:07:12,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:12,640 INFO L93 Difference]: Finished difference Result 183 states and 260 transitions. [2022-11-26 01:07:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:07:12,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 84 [2022-11-26 01:07:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:12,646 INFO L225 Difference]: With dead ends: 183 [2022-11-26 01:07:12,646 INFO L226 Difference]: Without dead ends: 93 [2022-11-26 01:07:12,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:07:12,649 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:12,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 01:07:12,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-26 01:07:12,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-26 01:07:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-26 01:07:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 131 transitions. [2022-11-26 01:07:12,677 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 131 transitions. Word has length 84 [2022-11-26 01:07:12,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:12,678 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 131 transitions. [2022-11-26 01:07:12,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:07:12,679 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2022-11-26 01:07:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-26 01:07:12,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:12,682 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:12,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:07:12,683 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:12,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:12,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1692608440, now seen corresponding path program 1 times [2022-11-26 01:07:12,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:12,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143842864] [2022-11-26 01:07:12,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:12,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-26 01:07:14,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:14,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143842864] [2022-11-26 01:07:14,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143842864] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:07:14,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135920247] [2022-11-26 01:07:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:14,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:14,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:14,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:07:14,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:07:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:16,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 4510 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:07:16,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:07:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-26 01:07:16,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:07:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-26 01:07:16,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135920247] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:07:16,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1176820553] [2022-11-26 01:07:16,746 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-26 01:07:16,747 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:07:16,752 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:07:16,760 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:07:16,761 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:07:17,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-26 01:07:17,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-26 01:07:17,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-26 01:07:17,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-26 01:07:17,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:17,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:17,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:17,456 INFO L217 Elim1Store]: Index analysis took 121 ms [2022-11-26 01:07:18,615 INFO L321 Elim1Store]: treesize reduction 814, result has 18.0 percent of original size [2022-11-26 01:07:18,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 64 treesize of output 216 [2022-11-26 01:07:18,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-26 01:07:19,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:19,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:19,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:19,119 INFO L217 Elim1Store]: Index analysis took 180 ms [2022-11-26 01:07:20,813 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-11-26 01:07:20,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 321 [2022-11-26 01:07:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-11-26 01:07:21,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-11-26 01:07:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:21,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 112 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 330 [2022-11-26 01:07:22,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 72 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 129 [2022-11-26 01:07:22,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 133 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 365 [2022-11-26 01:07:22,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 129 [2022-11-26 01:07:22,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:22,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 142 [2022-11-26 01:07:24,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,522 INFO L217 Elim1Store]: Index analysis took 228 ms [2022-11-26 01:07:24,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:24,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:24,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:24,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:24,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:24,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:24,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:24,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:24,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:24,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:26,283 INFO L321 Elim1Store]: treesize reduction 2046, result has 10.1 percent of original size [2022-11-26 01:07:26,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 107 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 107 case distinctions, treesize of input 2048 treesize of output 1877 [2022-11-26 01:07:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:26,785 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-11-26 01:07:26,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2016 treesize of output 1967 [2022-11-26 01:07:26,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:27,128 INFO L321 Elim1Store]: treesize reduction 208, result has 17.1 percent of original size [2022-11-26 01:07:27,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 2021 treesize of output 2001 [2022-11-26 01:07:27,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:27,451 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-11-26 01:07:27,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2008 treesize of output 1959 [2022-11-26 01:07:27,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:27,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:27,724 INFO L321 Elim1Store]: treesize reduction 156, result has 21.6 percent of original size [2022-11-26 01:07:27,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 43 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 2000 treesize of output 1980 [2022-11-26 01:07:32,099 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-26 01:07:32,100 INFO L350 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 1 case distinctions, treesize of input 60 treesize of output 59 [2022-11-26 01:07:32,211 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-26 01:07:32,211 INFO L350 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 1 case distinctions, treesize of input 47 treesize of output 46 [2022-11-26 01:07:32,281 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-11-26 01:07:32,281 INFO L350 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 1 case distinctions, treesize of input 59 treesize of output 30 [2022-11-26 01:07:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:32,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:32,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:32,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:32,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:32,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,214 INFO L217 Elim1Store]: Index analysis took 238 ms [2022-11-26 01:07:33,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:33,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:33,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:07:35,452 INFO L321 Elim1Store]: treesize reduction 2108, result has 8.5 percent of original size [2022-11-26 01:07:35,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 84 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 17 case distinctions, treesize of input 1090 treesize of output 1165 [2022-11-26 01:07:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:35,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:35,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:35,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,004 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 01:07:36,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1002 treesize of output 1010 [2022-11-26 01:07:36,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,368 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 01:07:36,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 996 treesize of output 1004 [2022-11-26 01:07:36,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,705 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 01:07:36,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-11-26 01:07:36,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:36,938 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 01:07:36,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-11-26 01:07:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,198 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 01:07:37,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-11-26 01:07:37,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:37,394 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-26 01:07:37,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-11-26 01:09:13,772 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-26 01:10:41,135 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-26 01:10:42,380 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-26 01:11:55,268 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-26 01:12:09,227 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-11-26 01:12:09,227 INFO L350 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 1 case distinctions, treesize of input 59 treesize of output 30 [2022-11-26 01:12:15,530 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-26 01:12:15,530 INFO L350 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 1 case distinctions, treesize of input 60 treesize of output 59 [2022-11-26 01:12:15,663 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-26 01:12:15,664 INFO L350 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 1 case distinctions, treesize of input 47 treesize of output 46 [2022-11-26 01:12:22,335 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-11-26 01:12:22,335 INFO L350 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 1 case distinctions, treesize of input 59 treesize of output 30 [2022-11-26 01:12:22,393 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-26 01:12:22,393 INFO L350 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 1 case distinctions, treesize of input 47 treesize of output 46 [2022-11-26 01:12:22,450 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-26 01:12:22,450 INFO L350 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 1 case distinctions, treesize of input 60 treesize of output 59 [2022-11-26 01:12:22,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:22,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:22,617 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-26 01:12:22,618 INFO L350 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 87 treesize of output 45 [2022-11-26 01:12:22,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:22,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:22,714 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-26 01:12:22,714 INFO L350 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 95 treesize of output 34 [2022-11-26 01:12:22,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:22,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:22,806 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-26 01:12:22,806 INFO L350 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 95 treesize of output 34 [2022-11-26 01:12:22,912 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-26 01:12:22,913 INFO L350 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 1 case distinctions, treesize of input 47 treesize of output 46 [2022-11-26 01:12:22,985 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-26 01:12:22,985 INFO L350 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 1 case distinctions, treesize of input 60 treesize of output 59 [2022-11-26 01:12:23,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:23,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:23,294 INFO L321 Elim1Store]: treesize reduction 289, result has 37.7 percent of original size [2022-11-26 01:12:23,295 INFO L350 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 3 new quantified variables, introduced 7 case distinctions, treesize of input 145 treesize of output 212 [2022-11-26 01:12:24,822 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-11-26 01:12:24,823 INFO L350 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 1 case distinctions, treesize of input 59 treesize of output 30 [2022-11-26 01:12:24,900 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-26 01:12:24,900 INFO L350 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 1 case distinctions, treesize of input 60 treesize of output 59 [2022-11-26 01:12:24,962 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-26 01:12:24,963 INFO L350 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 1 case distinctions, treesize of input 47 treesize of output 46 [2022-11-26 01:12:25,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:25,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:25,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:26,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:26,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:26,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:26,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:26,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,149 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-26 01:12:27,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 78 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 301 treesize of output 163 [2022-11-26 01:12:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,648 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-26 01:12:27,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-11-26 01:12:27,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:27,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:27,966 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-26 01:12:27,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-11-26 01:12:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,297 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-26 01:12:28,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-11-26 01:12:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,479 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-26 01:12:28,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-11-26 01:12:28,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,592 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-26 01:12:28,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 127 [2022-11-26 01:12:28,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,684 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-26 01:12:28,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 106 treesize of output 127 [2022-11-26 01:12:28,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,757 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-26 01:12:28,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 106 treesize of output 127 [2022-11-26 01:12:28,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:28,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:28,811 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-26 01:12:28,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 106 treesize of output 127 [2022-11-26 01:12:28,839 INFO L350 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 6 treesize of output 5 [2022-11-26 01:12:29,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:29,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:29,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:31,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,687 INFO L217 Elim1Store]: Index analysis took 4542 ms [2022-11-26 01:12:35,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:12:35,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:35,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:16:00,708 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-26 01:16:00,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-11-26 01:16:00,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 01:16:00,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:16:00,909 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyEliminationToAtom(QuantifierPusher.java:298) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:171) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.pop(UndoableWrapperScript.java:61) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:67) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:392) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:648) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) ... 59 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 79 more [2022-11-26 01:16:00,913 INFO L158 Benchmark]: Toolchain (without parser) took 542302.69ms. Allocated memory was 155.2MB in the beginning and 10.1GB in the end (delta: 9.9GB). Free memory was 122.5MB in the beginning and 8.8GB in the end (delta: -8.7GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-26 01:16:00,913 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:16:00,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.50ms. Allocated memory is still 155.2MB. Free memory was 122.5MB in the beginning and 96.1MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 01:16:00,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.00ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 91.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:16:00,914 INFO L158 Benchmark]: Boogie Preprocessor took 91.22ms. Allocated memory is still 155.2MB. Free memory was 91.9MB in the beginning and 88.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:16:00,914 INFO L158 Benchmark]: RCFGBuilder took 3604.30ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 88.4MB in the beginning and 143.1MB in the end (delta: -54.7MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-11-26 01:16:00,915 INFO L158 Benchmark]: TraceAbstraction took 537682.28ms. Allocated memory was 186.6MB in the beginning and 10.1GB in the end (delta: 9.9GB). Free memory was 142.0MB in the beginning and 8.8GB in the end (delta: -8.6GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-26 01:16:00,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.50ms. Allocated memory is still 155.2MB. Free memory was 122.5MB in the beginning and 96.1MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.00ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 91.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.22ms. Allocated memory is still 155.2MB. Free memory was 91.9MB in the beginning and 88.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3604.30ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 88.4MB in the beginning and 143.1MB in the end (delta: -54.7MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * TraceAbstraction took 537682.28ms. Allocated memory was 186.6MB in the beginning and 10.1GB in the end (delta: 9.9GB). Free memory was 142.0MB in the beginning and 8.8GB in the end (delta: -8.6GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:192) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --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 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:16:03,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:16:03,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:16:03,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:16:03,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:16:03,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:16:03,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:16:03,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:16:03,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:16:03,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:16:03,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:16:03,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:16:03,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:16:03,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:16:03,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:16:03,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:16:03,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:16:03,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:16:03,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:16:03,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:16:03,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:16:03,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:16:03,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:16:03,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:16:03,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:16:03,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:16:03,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:16:03,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:16:03,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:16:03,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:16:03,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:16:03,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:16:03,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:16:03,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:16:03,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:16:03,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:16:03,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:16:03,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:16:03,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:16:03,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:16:03,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:16:03,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-26 01:16:03,200 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:16:03,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:16:03,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:16:03,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:16:03,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:16:03,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:16:03,203 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:16:03,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:16:03,203 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:16:03,203 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:16:03,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:16:03,204 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:16:03,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:16:03,205 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:16:03,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:16:03,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:16:03,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:16:03,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:16:03,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:16:03,206 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:16:03,206 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:16:03,206 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:16:03,206 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:16:03,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:16:03,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:16:03,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:16:03,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:16:03,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:16:03,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:16:03,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:16:03,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:16:03,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:16:03,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:16:03,209 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:16:03,209 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:16:03,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:16:03,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:16:03,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:16:03,210 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-26 01:16:03,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:16:03,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:16:03,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:16:03,616 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:16:03,619 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:16:03,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-26 01:16:06,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:16:06,934 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:16:06,937 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-26 01:16:06,972 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/data/9fa593643/87a6fb090e02452aa4b4215b8ef0d0f2/FLAGee4bb1836 [2022-11-26 01:16:06,990 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/data/9fa593643/87a6fb090e02452aa4b4215b8ef0d0f2 [2022-11-26 01:16:06,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:16:06,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:16:06,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:16:07,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:16:07,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:16:07,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:16:06" (1/1) ... [2022-11-26 01:16:07,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9a2e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07, skipping insertion in model container [2022-11-26 01:16:07,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:16:06" (1/1) ... [2022-11-26 01:16:07,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:16:07,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:16:07,462 WARN L237 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_315d75f4-003f-4638-a483-795c9df3b5e3/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-26 01:16:07,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:16:07,599 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:16:07,639 WARN L237 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_315d75f4-003f-4638-a483-795c9df3b5e3/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-26 01:16:07,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:16:07,797 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:16:07,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07 WrapperNode [2022-11-26 01:16:07,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:16:07,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:16:07,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:16:07,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:16:07,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,864 INFO L138 Inliner]: procedures = 149, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 389 [2022-11-26 01:16:07,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:16:07,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:16:07,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:16:07,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:16:07,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,929 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:16:07,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:16:07,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:16:07,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:16:07,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (1/1) ... [2022-11-26 01:16:07,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:16:07,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:16:07,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:16:07,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:16:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-26 01:16:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 01:16:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 01:16:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 01:16:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:16:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:16:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:16:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-26 01:16:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-26 01:16:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:16:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-26 01:16:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-26 01:16:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-26 01:16:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-26 01:16:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-26 01:16:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:16:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 01:16:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 01:16:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 01:16:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-26 01:16:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-26 01:16:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-26 01:16:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:16:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:16:08,263 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:16:08,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:16:11,270 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:16:11,279 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:16:11,281 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 01:16:11,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:16:11 BoogieIcfgContainer [2022-11-26 01:16:11,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:16:11,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:16:11,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:16:11,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:16:11,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:16:06" (1/3) ... [2022-11-26 01:16:11,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec79e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:16:11, skipping insertion in model container [2022-11-26 01:16:11,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:16:07" (2/3) ... [2022-11-26 01:16:11,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec79e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:16:11, skipping insertion in model container [2022-11-26 01:16:11,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:16:11" (3/3) ... [2022-11-26 01:16:11,295 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-11-26 01:16:11,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:16:11,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 01:16:11,382 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:16:11,389 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@48f984a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:16:11,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 01:16:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 71 states have internal predecessors, (93), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-26 01:16:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-26 01:16:11,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:16:11,418 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:16:11,419 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:16:11,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:16:11,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2098240325, now seen corresponding path program 1 times [2022-11-26 01:16:11,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:16:11,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237204133] [2022-11-26 01:16:11,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:11,440 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:11,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:16:11,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:16:11,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-26 01:16:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:14,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 01:16:14,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-26 01:16:14,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:16:14,438 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:16:14,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237204133] [2022-11-26 01:16:14,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237204133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:16:14,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:16:14,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:16:14,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288358241] [2022-11-26 01:16:14,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:16:14,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:16:14,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:16:14,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:16:14,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:16:14,489 INFO L87 Difference]: Start difference. First operand has 109 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 71 states have internal predecessors, (93), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 01:16:14,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:16:14,524 INFO L93 Difference]: Finished difference Result 216 states and 342 transitions. [2022-11-26 01:16:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:16:14,526 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2022-11-26 01:16:14,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:16:14,534 INFO L225 Difference]: With dead ends: 216 [2022-11-26 01:16:14,534 INFO L226 Difference]: Without dead ends: 105 [2022-11-26 01:16:14,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:16:14,546 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:16:14,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:16:14,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-26 01:16:14,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-11-26 01:16:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 67 states have internal predecessors, (85), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-26 01:16:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 149 transitions. [2022-11-26 01:16:14,648 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 149 transitions. Word has length 120 [2022-11-26 01:16:14,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:16:14,649 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 149 transitions. [2022-11-26 01:16:14,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 01:16:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2022-11-26 01:16:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-26 01:16:14,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:16:14,658 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:16:14,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:16:14,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:14,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:16:14,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:16:14,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1535783135, now seen corresponding path program 1 times [2022-11-26 01:16:14,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:16:14,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832277566] [2022-11-26 01:16:14,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:14,882 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:14,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:16:14,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:16:14,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-26 01:16:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:17,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:16:17,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-26 01:16:17,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:16:17,649 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:16:17,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832277566] [2022-11-26 01:16:17,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832277566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:16:17,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:16:17,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:16:17,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313488644] [2022-11-26 01:16:17,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:16:17,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:16:17,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:16:17,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:16:17,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:16:17,657 INFO L87 Difference]: Start difference. First operand 105 states and 149 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:16:17,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:16:17,915 INFO L93 Difference]: Finished difference Result 208 states and 296 transitions. [2022-11-26 01:16:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:16:17,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2022-11-26 01:16:17,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:16:17,921 INFO L225 Difference]: With dead ends: 208 [2022-11-26 01:16:17,921 INFO L226 Difference]: Without dead ends: 109 [2022-11-26 01:16:17,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:16:17,923 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 4 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:16:17,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 290 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:16:17,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-26 01:16:17,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2022-11-26 01:16:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 68 states have internal predecessors, (86), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-26 01:16:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 150 transitions. [2022-11-26 01:16:17,935 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 150 transitions. Word has length 120 [2022-11-26 01:16:17,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:16:17,936 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 150 transitions. [2022-11-26 01:16:17,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:16:17,936 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 150 transitions. [2022-11-26 01:16:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-26 01:16:17,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:16:17,939 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:16:17,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:16:18,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:18,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:16:18,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:16:18,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1689913381, now seen corresponding path program 1 times [2022-11-26 01:16:18,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:16:18,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249385349] [2022-11-26 01:16:18,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:18,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:18,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:16:18,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:16:18,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-26 01:16:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:20,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:16:20,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-26 01:16:21,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:16:21,014 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:16:21,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249385349] [2022-11-26 01:16:21,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249385349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:16:21,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:16:21,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:16:21,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851293126] [2022-11-26 01:16:21,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:16:21,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:16:21,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:16:21,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:16:21,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:16:21,018 INFO L87 Difference]: Start difference. First operand 106 states and 150 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:16:21,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:16:21,133 INFO L93 Difference]: Finished difference Result 211 states and 300 transitions. [2022-11-26 01:16:21,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:16:21,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 123 [2022-11-26 01:16:21,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:16:21,136 INFO L225 Difference]: With dead ends: 211 [2022-11-26 01:16:21,136 INFO L226 Difference]: Without dead ends: 108 [2022-11-26 01:16:21,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:16:21,138 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:16:21,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 291 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:16:21,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-26 01:16:21,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2022-11-26 01:16:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 69 states have internal predecessors, (87), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-26 01:16:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 151 transitions. [2022-11-26 01:16:21,151 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 151 transitions. Word has length 123 [2022-11-26 01:16:21,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:16:21,151 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 151 transitions. [2022-11-26 01:16:21,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:16:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2022-11-26 01:16:21,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-26 01:16:21,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:16:21,154 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:16:21,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:16:21,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:21,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:16:21,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:16:21,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1707881315, now seen corresponding path program 1 times [2022-11-26 01:16:21,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:16:21,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141956026] [2022-11-26 01:16:21,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:21,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:21,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:16:21,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:16:21,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-26 01:16:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:24,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:16:24,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-26 01:16:24,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:16:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-26 01:16:24,627 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:16:24,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141956026] [2022-11-26 01:16:24,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141956026] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:16:24,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2033080270] [2022-11-26 01:16:24,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:24,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 01:16:24,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 01:16:24,647 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 01:16:24,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2022-11-26 01:16:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:28,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:16:28,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-26 01:16:28,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:16:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-26 01:16:28,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2033080270] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:16:28,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583687076] [2022-11-26 01:16:28,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:28,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:16:28,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:16:28,181 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:16:28,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 01:16:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:30,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:16:30,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-11-26 01:16:30,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:16:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-11-26 01:16:30,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583687076] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:16:30,264 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 01:16:30,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 10 [2022-11-26 01:16:30,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697228883] [2022-11-26 01:16:30,265 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 01:16:30,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 01:16:30,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:16:30,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 01:16:30,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:16:30,268 INFO L87 Difference]: Start difference. First operand 107 states and 151 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-11-26 01:16:31,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:16:31,451 INFO L93 Difference]: Finished difference Result 233 states and 331 transitions. [2022-11-26 01:16:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 01:16:31,452 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 125 [2022-11-26 01:16:31,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:16:31,453 INFO L225 Difference]: With dead ends: 233 [2022-11-26 01:16:31,454 INFO L226 Difference]: Without dead ends: 129 [2022-11-26 01:16:31,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 736 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-11-26 01:16:31,456 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 24 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:16:31,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 861 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 01:16:31,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-26 01:16:31,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2022-11-26 01:16:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 91 states have internal predecessors, (111), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-26 01:16:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 175 transitions. [2022-11-26 01:16:31,487 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 175 transitions. Word has length 125 [2022-11-26 01:16:31,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:16:31,487 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 175 transitions. [2022-11-26 01:16:31,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-11-26 01:16:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 175 transitions. [2022-11-26 01:16:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-26 01:16:31,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:16:31,491 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:16:31,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 01:16:31,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2022-11-26 01:16:31,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-26 01:16:32,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:32,100 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:16:32,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:16:32,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1182274399, now seen corresponding path program 2 times [2022-11-26 01:16:32,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:16:32,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188672186] [2022-11-26 01:16:32,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-26 01:16:32,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:32,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:16:32,104 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:16:32,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-26 01:16:35,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-26 01:16:35,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 01:16:35,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:16:35,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2022-11-26 01:16:35,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:16:35,618 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:16:35,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188672186] [2022-11-26 01:16:35,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188672186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:16:35,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:16:35,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:16:35,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661751071] [2022-11-26 01:16:35,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:16:35,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:16:35,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:16:35,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:16:35,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:16:35,621 INFO L87 Difference]: Start difference. First operand 129 states and 175 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:16:35,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:16:35,661 INFO L93 Difference]: Finished difference Result 225 states and 316 transitions. [2022-11-26 01:16:35,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 01:16:35,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2022-11-26 01:16:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:16:35,665 INFO L225 Difference]: With dead ends: 225 [2022-11-26 01:16:35,665 INFO L226 Difference]: Without dead ends: 183 [2022-11-26 01:16:35,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:16:35,667 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 74 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:16:35,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 519 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:16:35,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-26 01:16:35,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-11-26 01:16:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 127 states have (on average 1.2598425196850394) internal successors, (160), 127 states have internal predecessors, (160), 45 states have call successors, (45), 10 states have call predecessors, (45), 10 states have return successors, (49), 45 states have call predecessors, (49), 45 states have call successors, (49) [2022-11-26 01:16:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 254 transitions. [2022-11-26 01:16:35,687 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 254 transitions. Word has length 147 [2022-11-26 01:16:35,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:16:35,687 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 254 transitions. [2022-11-26 01:16:35,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-26 01:16:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 254 transitions. [2022-11-26 01:16:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-26 01:16:35,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:16:35,692 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:16:35,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-26 01:16:35,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:35,916 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:16:35,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:16:35,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2063510765, now seen corresponding path program 1 times [2022-11-26 01:16:35,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:16:35,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068211522] [2022-11-26 01:16:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:35,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:35,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:16:35,918 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:16:35,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-26 01:16:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:39,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 3307 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:16:40,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-11-26 01:16:40,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:16:40,109 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:16:40,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068211522] [2022-11-26 01:16:40,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068211522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:16:40,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:16:40,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:16:40,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583111333] [2022-11-26 01:16:40,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:16:40,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:16:40,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:16:40,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:16:40,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:16:40,112 INFO L87 Difference]: Start difference. First operand 183 states and 254 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-26 01:16:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:16:40,167 INFO L93 Difference]: Finished difference Result 326 states and 457 transitions. [2022-11-26 01:16:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:16:40,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 216 [2022-11-26 01:16:40,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:16:40,170 INFO L225 Difference]: With dead ends: 326 [2022-11-26 01:16:40,173 INFO L226 Difference]: Without dead ends: 183 [2022-11-26 01:16:40,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:16:40,176 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:16:40,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:16:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-26 01:16:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-11-26 01:16:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 127 states have (on average 1.2519685039370079) internal successors, (159), 127 states have internal predecessors, (159), 45 states have call successors, (45), 10 states have call predecessors, (45), 10 states have return successors, (49), 45 states have call predecessors, (49), 45 states have call successors, (49) [2022-11-26 01:16:40,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 253 transitions. [2022-11-26 01:16:40,243 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 253 transitions. Word has length 216 [2022-11-26 01:16:40,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:16:40,245 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 253 transitions. [2022-11-26 01:16:40,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-26 01:16:40,245 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 253 transitions. [2022-11-26 01:16:40,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-26 01:16:40,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:16:40,251 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:16:40,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-26 01:16:40,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:40,469 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:16:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:16:40,496 INFO L85 PathProgramCache]: Analyzing trace with hash -73547851, now seen corresponding path program 1 times [2022-11-26 01:16:40,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:16:40,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559274900] [2022-11-26 01:16:40,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:40,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:16:40,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:16:40,499 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:16:40,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-26 01:16:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:44,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 01:16:44,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 360 proven. 7 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-11-26 01:16:44,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:16:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-11-26 01:16:45,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:16:45,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [559274900] [2022-11-26 01:16:45,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [559274900] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:16:45,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [480696886] [2022-11-26 01:16:45,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:45,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 01:16:45,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 01:16:45,394 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 01:16:45,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-26 01:16:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:49,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-26 01:16:49,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 360 proven. 9 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2022-11-26 01:16:49,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:16:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-11-26 01:16:50,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [480696886] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:16:50,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814904684] [2022-11-26 01:16:50,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:50,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:16:50,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:16:50,204 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:16:50,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-26 01:16:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:52,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 01:16:52,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:16:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 360 proven. 7 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-11-26 01:16:52,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:16:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-11-26 01:16:53,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814904684] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:16:53,333 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 01:16:53,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 8, 5, 6, 5] total 10 [2022-11-26 01:16:53,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23327963] [2022-11-26 01:16:53,333 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 01:16:53,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 01:16:53,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:16:53,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 01:16:53,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:16:53,336 INFO L87 Difference]: Start difference. First operand 183 states and 253 transitions. Second operand has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 9 states have call successors, (52), 5 states have call predecessors, (52), 6 states have return successors, (52), 7 states have call predecessors, (52), 9 states have call successors, (52) [2022-11-26 01:16:55,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:16:57,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:16:59,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:17:06,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:17:06,847 INFO L93 Difference]: Finished difference Result 492 states and 708 transitions. [2022-11-26 01:17:06,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 01:17:06,848 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 9 states have call successors, (52), 5 states have call predecessors, (52), 6 states have return successors, (52), 7 states have call predecessors, (52), 9 states have call successors, (52) Word has length 234 [2022-11-26 01:17:06,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:17:06,852 INFO L225 Difference]: With dead ends: 492 [2022-11-26 01:17:06,852 INFO L226 Difference]: Without dead ends: 342 [2022-11-26 01:17:06,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1409 GetRequests, 1395 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-11-26 01:17:06,854 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 140 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 94 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:17:06,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 601 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 586 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2022-11-26 01:17:06,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-11-26 01:17:06,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 335. [2022-11-26 01:17:06,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 228 states have (on average 1.25) internal successors, (285), 233 states have internal predecessors, (285), 75 states have call successors, (75), 26 states have call predecessors, (75), 31 states have return successors, (103), 75 states have call predecessors, (103), 75 states have call successors, (103) [2022-11-26 01:17:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 463 transitions. [2022-11-26 01:17:06,895 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 463 transitions. Word has length 234 [2022-11-26 01:17:06,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:17:06,896 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 463 transitions. [2022-11-26 01:17:06,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 9 states have call successors, (52), 5 states have call predecessors, (52), 6 states have return successors, (52), 7 states have call predecessors, (52), 9 states have call successors, (52) [2022-11-26 01:17:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 463 transitions. [2022-11-26 01:17:06,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-26 01:17:06,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:17:06,902 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:17:06,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-26 01:17:07,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-26 01:17:07,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-11-26 01:17:07,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt [2022-11-26 01:17:07,526 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:17:07,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:17:07,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1167496811, now seen corresponding path program 1 times [2022-11-26 01:17:07,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:17:07,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481438074] [2022-11-26 01:17:07,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:17:07,528 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:17:07,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:17:07,529 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:17:07,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-26 01:17:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:17:12,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 3499 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 01:17:12,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:17:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-11-26 01:17:14,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:17:14,105 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:17:14,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481438074] [2022-11-26 01:17:14,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481438074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:17:14,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:17:14,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 01:17:14,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243750246] [2022-11-26 01:17:14,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:17:14,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 01:17:14,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:17:14,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 01:17:14,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:17:14,108 INFO L87 Difference]: Start difference. First operand 335 states and 463 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 4 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-26 01:17:19,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:17:19,506 INFO L93 Difference]: Finished difference Result 877 states and 1252 transitions. [2022-11-26 01:17:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 01:17:19,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 4 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 234 [2022-11-26 01:17:19,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:17:19,512 INFO L225 Difference]: With dead ends: 877 [2022-11-26 01:17:19,512 INFO L226 Difference]: Without dead ends: 579 [2022-11-26 01:17:19,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:17:19,515 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 307 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:17:19,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 486 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-26 01:17:19,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2022-11-26 01:17:19,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 549. [2022-11-26 01:17:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 363 states have (on average 1.159779614325069) internal successors, (421), 364 states have internal predecessors, (421), 133 states have call successors, (133), 38 states have call predecessors, (133), 52 states have return successors, (206), 146 states have call predecessors, (206), 133 states have call successors, (206) [2022-11-26 01:17:19,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 760 transitions. [2022-11-26 01:17:19,681 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 760 transitions. Word has length 234 [2022-11-26 01:17:19,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:17:19,682 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 760 transitions. [2022-11-26 01:17:19,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 4 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-26 01:17:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 760 transitions. [2022-11-26 01:17:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-26 01:17:19,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:17:19,695 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 9, 9, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:17:19,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-26 01:17:19,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:17:19,920 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:17:19,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:17:19,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1175495785, now seen corresponding path program 1 times [2022-11-26 01:17:19,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:17:19,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121007290] [2022-11-26 01:17:19,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:17:19,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:17:19,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:17:19,922 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:17:19,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315d75f4-003f-4638-a483-795c9df3b5e3/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-26 01:18:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:18:00,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 3490 conjuncts, 909 conjunts are in the unsatisfiable core [2022-11-26 01:18:01,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:18:01,699 INFO L321 Elim1Store]: treesize reduction 130, result has 13.9 percent of original size [2022-11-26 01:18:01,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 81 [2022-11-26 01:18:02,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2022-11-26 01:18:02,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-26 01:18:03,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-26 01:18:03,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 35 [2022-11-26 01:18:04,996 INFO L321 Elim1Store]: treesize reduction 19, result has 45.7 percent of original size [2022-11-26 01:18:04,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 53 [2022-11-26 01:18:05,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 50 [2022-11-26 01:18:09,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2022-11-26 01:18:09,303 INFO L350 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 4 [2022-11-26 01:18:10,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2022-11-26 01:18:10,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-26 01:18:11,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2022-11-26 01:18:12,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2022-11-26 01:18:13,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2022-11-26 01:18:15,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2022-11-26 01:18:15,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-26 01:18:15,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-26 01:18:15,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 35 [2022-11-26 01:18:18,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2022-11-26 01:18:18,961 INFO L350 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 4 [2022-11-26 01:18:19,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2022-11-26 01:18:38,093 INFO L217 Elim1Store]: Index analysis took 226 ms