./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 b5237d83 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:35:19,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:35:19,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:35:19,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:35:19,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:35:19,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:35:19,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:35:19,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:35:19,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:35:19,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:35:19,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:35:19,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:35:19,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:35:19,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:35:19,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:35:19,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:35:19,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:35:19,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:35:19,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:35:19,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:35:19,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:35:19,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:35:19,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:35:19,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:35:19,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:35:19,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:35:19,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:35:19,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:35:19,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:35:19,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:35:19,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:35:19,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:35:19,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:35:19,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:35:19,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:35:19,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:35:19,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:35:19,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:35:19,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:35:19,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:35:19,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:35:19,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 01:35:19,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:35:19,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:35:19,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:35:19,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:35:19,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:35:19,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:35:19,991 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:35:19,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:35:19,991 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:35:19,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:35:19,991 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:35:19,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:35:19,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:35:19,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:35:19,992 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:35:19,993 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:35:19,993 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:35:19,993 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:35:19,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:35:19,994 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:35:19,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:35:19,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:35:19,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:35:19,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:35:19,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:35:19,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:35:19,996 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:35:19,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:35:19,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:35:19,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:35:19,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:35:19,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:35:19,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:35:19,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:35:19,998 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:35:19,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:35:19,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:35:19,999 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:35:19,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:35:19,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:35:19,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:35:20,000 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-22 01:35:20,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:35:20,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:35:20,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:35:20,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:35:20,298 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:35:20,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-22 01:35:23,439 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:35:23,756 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:35:23,762 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-22 01:35:23,779 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/data/343dcec8a/ed3b103ee47d48a2b46e009a6ffe5e15/FLAG2dae51ed4 [2022-11-22 01:35:23,808 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/data/343dcec8a/ed3b103ee47d48a2b46e009a6ffe5e15 [2022-11-22 01:35:23,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:35:23,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:35:23,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:35:23,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:35:23,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:35:23,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:35:23" (1/1) ... [2022-11-22 01:35:23,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12302f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:23, skipping insertion in model container [2022-11-22 01:35:23,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:35:23" (1/1) ... [2022-11-22 01:35:23,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:35:23,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:35:24,179 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-22 01:35:24,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:35:24,352 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:35:24,405 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-22 01:35:24,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:35:24,508 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:35:24,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24 WrapperNode [2022-11-22 01:35:24,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:35:24,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:35:24,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:35:24,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:35:24,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,580 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 395 [2022-11-22 01:35:24,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:35:24,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:35:24,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:35:24,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:35:24,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:35:24,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:35:24,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:35:24,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:35:24,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (1/1) ... [2022-11-22 01:35:24,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:35:24,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:35:24,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:35:24,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:35:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:35:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:35:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:35:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:35:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:35:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:35:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:35:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-22 01:35:24,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-22 01:35:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:35:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-22 01:35:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-22 01:35:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-22 01:35:24,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-22 01:35:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:35:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:35:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-22 01:35:24,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-22 01:35:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:35:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:35:24,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:35:24,950 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:35:24,953 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:35:27,839 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:35:27,964 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:35:27,965 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:35:27,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:35:27 BoogieIcfgContainer [2022-11-22 01:35:27,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:35:27,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:35:27,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:35:27,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:35:27,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:35:23" (1/3) ... [2022-11-22 01:35:27,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4eb539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:35:27, skipping insertion in model container [2022-11-22 01:35:27,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:24" (2/3) ... [2022-11-22 01:35:27,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4eb539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:35:27, skipping insertion in model container [2022-11-22 01:35:27,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:35:27" (3/3) ... [2022-11-22 01:35:27,988 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-11-22 01:35:28,010 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:35:28,010 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:35:28,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:35:28,083 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;@2bb8c8ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:35:28,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:35:28,088 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) [2022-11-22 01:35:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-22 01:35:28,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:28,107 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] [2022-11-22 01:35:28,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:35:28,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:28,114 INFO L85 PathProgramCache]: Analyzing trace with hash 96644470, now seen corresponding path program 1 times [2022-11-22 01:35:28,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:28,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343444032] [2022-11-22 01:35:28,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:28,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:35:30,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:30,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343444032] [2022-11-22 01:35:30,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343444032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:30,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:30,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:35:30,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027331014] [2022-11-22 01:35:30,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:30,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:35:30,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:35:30,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:35:30,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:35:30,516 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) [2022-11-22 01:35:32,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:32,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:32,708 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2022-11-22 01:35:32,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:35:32,711 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 [2022-11-22 01:35:32,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:32,721 INFO L225 Difference]: With dead ends: 185 [2022-11-22 01:35:32,721 INFO L226 Difference]: Without dead ends: 93 [2022-11-22 01:35:32,724 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 [2022-11-22 01:35:32,728 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, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:32,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 232 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:35:32,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-22 01:35:32,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2022-11-22 01:35:32,780 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) [2022-11-22 01:35:32,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2022-11-22 01:35:32,784 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 82 [2022-11-22 01:35:32,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:32,785 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2022-11-22 01:35:32,785 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) [2022-11-22 01:35:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2022-11-22 01:35:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-22 01:35:32,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:32,790 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] [2022-11-22 01:35:32,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:35:32,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:35:32,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:32,792 INFO L85 PathProgramCache]: Analyzing trace with hash -527099410, now seen corresponding path program 1 times [2022-11-22 01:35:32,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:32,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097323469] [2022-11-22 01:35:32,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:32,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:35:34,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:34,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097323469] [2022-11-22 01:35:34,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097323469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:34,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:34,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:35:34,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861849043] [2022-11-22 01:35:34,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:34,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:35:34,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:35:34,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:35:34,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:35:34,440 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) [2022-11-22 01:35:36,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:36,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:36,584 INFO L93 Difference]: Finished difference Result 183 states and 260 transitions. [2022-11-22 01:35:36,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:35:36,585 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 [2022-11-22 01:35:36,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:36,587 INFO L225 Difference]: With dead ends: 183 [2022-11-22 01:35:36,587 INFO L226 Difference]: Without dead ends: 93 [2022-11-22 01:35:36,588 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 [2022-11-22 01:35:36,589 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 [2022-11-22 01:35:36,590 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] [2022-11-22 01:35:36,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-22 01:35:36,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-22 01:35:36,602 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) [2022-11-22 01:35:36,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 131 transitions. [2022-11-22 01:35:36,604 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 131 transitions. Word has length 84 [2022-11-22 01:35:36,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:36,605 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 131 transitions. [2022-11-22 01:35:36,605 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) [2022-11-22 01:35:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2022-11-22 01:35:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-22 01:35:36,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:36,608 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] [2022-11-22 01:35:36,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:35:36,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:35:36,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:36,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1692608440, now seen corresponding path program 1 times [2022-11-22 01:35:36,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:36,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849538834] [2022-11-22 01:35:36,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:36,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:35:38,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:38,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849538834] [2022-11-22 01:35:38,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849538834] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:35:38,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143530325] [2022-11-22 01:35:38,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:38,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:35:38,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:35:38,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:35:38,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:35:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:39,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 4510 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:35:39,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:35:40,088 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:35:40,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:35:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:35:40,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143530325] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:35:40,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1515856019] [2022-11-22 01:35:40,199 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-22 01:35:40,199 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:35:40,203 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:35:40,209 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:35:40,210 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:35:40,533 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 [2022-11-22 01:35:40,565 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 [2022-11-22 01:35:40,596 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 [2022-11-22 01:35:40,655 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 [2022-11-22 01:35:40,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:40,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:40,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:40,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:41,842 INFO L321 Elim1Store]: treesize reduction 814, result has 18.0 percent of original size [2022-11-22 01:35:41,843 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 [2022-11-22 01:35:41,993 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 [2022-11-22 01:35:42,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:42,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:42,339 INFO L217 Elim1Store]: Index analysis took 173 ms [2022-11-22 01:35:43,881 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-11-22 01:35:43,882 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 [2022-11-22 01:35:44,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,554 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 [2022-11-22 01:35:44,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,639 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 [2022-11-22 01:35:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:44,912 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 [2022-11-22 01:35:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,205 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 [2022-11-22 01:35:45,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,707 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 [2022-11-22 01:35:45,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:45,905 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 [2022-11-22 01:35:46,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:46,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:46,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:46,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:46,065 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 [2022-11-22 01:35:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:47,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,022 INFO L217 Elim1Store]: Index analysis took 222 ms [2022-11-22 01:35:48,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:48,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:48,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:48,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:48,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:48,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:48,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:48,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:48,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:48,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:49,732 INFO L321 Elim1Store]: treesize reduction 2046, result has 10.1 percent of original size [2022-11-22 01:35:49,733 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 [2022-11-22 01:35:50,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:50,234 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-11-22 01:35:50,236 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 [2022-11-22 01:35:50,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:50,521 INFO L321 Elim1Store]: treesize reduction 208, result has 17.1 percent of original size [2022-11-22 01:35:50,522 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 [2022-11-22 01:35:50,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:50,878 INFO L321 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-11-22 01:35:50,879 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 [2022-11-22 01:35:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:50,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:51,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:51,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:51,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:51,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:51,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:51,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:51,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:51,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:51,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:51,112 INFO L321 Elim1Store]: treesize reduction 156, result has 21.6 percent of original size [2022-11-22 01:35:51,114 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 [2022-11-22 01:35:55,099 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-22 01:35:55,100 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 [2022-11-22 01:35:55,175 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-22 01:35:55,175 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 [2022-11-22 01:35:55,237 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-11-22 01:35:55,237 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 [2022-11-22 01:35:55,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:55,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,028 INFO L217 Elim1Store]: Index analysis took 223 ms [2022-11-22 01:35:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:56,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:56,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:58,067 INFO L321 Elim1Store]: treesize reduction 2108, result has 8.5 percent of original size [2022-11-22 01:35:58,068 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 [2022-11-22 01:35:58,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,498 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:35:58,499 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 [2022-11-22 01:35:58,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,795 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:35:58,796 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 [2022-11-22 01:35:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:58,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,095 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:35:59,096 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 [2022-11-22 01:35:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,346 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:35:59,347 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 [2022-11-22 01:35:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,593 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:35:59,595 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 [2022-11-22 01:35:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:59,822 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-22 01:35:59,823 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 [2022-11-22 01:37:38,790 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-22 01:38:57,317 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-22 01:38:58,781 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-22 01:40:16,032 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-22 01:40:29,607 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-11-22 01:40:29,608 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 [2022-11-22 01:40:35,985 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-22 01:40:35,986 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 [2022-11-22 01:40:36,142 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-22 01:40:36,143 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 [2022-11-22 01:40:43,056 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-11-22 01:40:43,056 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 [2022-11-22 01:40:43,135 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-22 01:40:43,136 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 [2022-11-22 01:40:43,216 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-22 01:40:43,217 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 [2022-11-22 01:40:43,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:43,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:43,447 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-22 01:40:43,448 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 [2022-11-22 01:40:43,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:43,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:43,585 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-22 01:40:43,585 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 [2022-11-22 01:40:43,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:43,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:43,714 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-22 01:40:43,714 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 [2022-11-22 01:40:43,836 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-22 01:40:43,836 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 [2022-11-22 01:40:43,930 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-22 01:40:43,931 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 [2022-11-22 01:40:43,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:43,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:44,363 INFO L321 Elim1Store]: treesize reduction 289, result has 37.7 percent of original size [2022-11-22 01:40:44,364 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 [2022-11-22 01:40:46,247 INFO L321 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-11-22 01:40:46,248 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 [2022-11-22 01:40:46,354 INFO L321 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-11-22 01:40:46,354 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 [2022-11-22 01:40:46,439 INFO L321 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-11-22 01:40:46,439 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 [2022-11-22 01:40:46,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,787 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-11-22 01:40:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:47,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:48,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:48,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:48,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:48,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:48,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:48,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:49,633 INFO L321 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2022-11-22 01:40:49,633 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 [2022-11-22 01:40:49,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:49,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:49,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:49,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,243 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-22 01:40:50,243 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 [2022-11-22 01:40:50,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,672 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-22 01:40:50,673 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 [2022-11-22 01:40:50,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:50,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:50,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,021 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-22 01:40:51,021 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 [2022-11-22 01:40:51,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,305 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-22 01:40:51,306 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 [2022-11-22 01:40:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,467 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-22 01:40:51,467 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 [2022-11-22 01:40:51,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,590 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-22 01:40:51,591 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 [2022-11-22 01:40:51,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,696 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-22 01:40:51,696 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 [2022-11-22 01:40:51,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:51,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:51,768 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-22 01:40:51,769 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 [2022-11-22 01:40:51,804 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 [2022-11-22 01:40:52,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:52,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:52,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:54,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,692 INFO L217 Elim1Store]: Index analysis took 5135 ms [2022-11-22 01:40:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:59,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:59,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:43:13,393 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-22 01:43:13,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-11-22 01:43:13,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:43:13,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:13,596 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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:336) 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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:625) 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 [2022-11-22 01:43:13,599 INFO L158 Benchmark]: Toolchain (without parser) took 469787.89ms. Allocated memory was 132.1MB in the beginning and 10.9GB in the end (delta: 10.8GB). Free memory was 98.6MB in the beginning and 9.9GB in the end (delta: -9.8GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2022-11-22 01:43:13,600 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory was 95.8MB in the beginning and 95.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:43:13,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.06ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 71.6MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-22 01:43:13,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.13ms. Allocated memory is still 132.1MB. Free memory was 71.6MB in the beginning and 67.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:43:13,601 INFO L158 Benchmark]: Boogie Preprocessor took 88.34ms. Allocated memory is still 132.1MB. Free memory was 67.9MB in the beginning and 64.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:43:13,601 INFO L158 Benchmark]: RCFGBuilder took 3298.99ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 64.1MB in the beginning and 97.7MB in the end (delta: -33.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-22 01:43:13,601 INFO L158 Benchmark]: TraceAbstraction took 465619.53ms. Allocated memory was 169.9MB in the beginning and 10.9GB in the end (delta: 10.8GB). Free memory was 96.7MB in the beginning and 9.9GB in the end (delta: -9.8GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2022-11-22 01:43:13,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory was 95.8MB in the beginning and 95.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.06ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 71.6MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.13ms. Allocated memory is still 132.1MB. Free memory was 71.6MB in the beginning and 67.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.34ms. Allocated memory is still 132.1MB. Free memory was 67.9MB in the beginning and 64.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3298.99ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 64.1MB in the beginning and 97.7MB in the end (delta: -33.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 465619.53ms. Allocated memory was 169.9MB in the beginning and 10.9GB in the end (delta: 10.8GB). Free memory was 96.7MB in the beginning and 9.9GB in the end (delta: -9.8GB). Peak memory consumption was 3.0GB. 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:43:16,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:43:16,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:43:16,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:43:16,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:43:16,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:43:16,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:43:16,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:43:16,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:43:16,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:43:16,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:43:16,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:43:16,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:43:16,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:43:16,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:43:16,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:43:16,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:43:16,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:43:16,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:43:16,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:43:16,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:43:16,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:43:16,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:43:16,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:43:16,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:43:16,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:43:16,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:43:16,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:43:16,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:43:16,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:43:16,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:43:16,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:43:16,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:43:16,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:43:16,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:43:16,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:43:16,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:43:16,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:43:16,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:43:16,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:43:16,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:43:16,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-22 01:43:16,197 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:43:16,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:43:16,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:43:16,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:43:16,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:43:16,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:43:16,201 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:43:16,201 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:43:16,202 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:43:16,202 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:43:16,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:43:16,204 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:43:16,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:43:16,205 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:43:16,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:43:16,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:43:16,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:43:16,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:43:16,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:43:16,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:43:16,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:43:16,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:43:16,208 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:43:16,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:43:16,208 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:43:16,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:43:16,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:43:16,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:43:16,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:43:16,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:43:16,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:43:16,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:43:16,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:43:16,211 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:43:16,212 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:43:16,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:43:16,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:43:16,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:43:16,213 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-22 01:43:16,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:43:16,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:43:16,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:43:16,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:43:16,639 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:43:16,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-22 01:43:19,847 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:43:20,110 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:43:20,111 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-22 01:43:20,126 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/data/5aa31dd23/3491b48a41d144649979b1e306f26c45/FLAGc668e060a [2022-11-22 01:43:20,152 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/data/5aa31dd23/3491b48a41d144649979b1e306f26c45 [2022-11-22 01:43:20,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:43:20,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:43:20,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:43:20,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:43:20,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:43:20,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:20,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e98328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20, skipping insertion in model container [2022-11-22 01:43:20,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:20,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:43:20,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:43:20,605 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-22 01:43:20,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:43:20,771 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:43:20,812 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_f6e1cfbb-4489-480c-bd7b-7d5004488052/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-22 01:43:20,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:43:20,918 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:43:20,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20 WrapperNode [2022-11-22 01:43:20,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:43:20,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:43:20,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:43:20,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:43:20,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:20,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:20,991 INFO L138 Inliner]: procedures = 149, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 389 [2022-11-22 01:43:20,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:43:20,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:43:20,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:43:20,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:43:21,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:21,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:21,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:21,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:21,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:21,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:21,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:21,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:21,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:43:21,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:43:21,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:43:21,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:43:21,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (1/1) ... [2022-11-22 01:43:21,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:43:21,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:21,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:43:21,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:43:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-22 01:43:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 01:43:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:43:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:43:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:43:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:43:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:43:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-22 01:43:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-22 01:43:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:43:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-22 01:43:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-22 01:43:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-22 01:43:21,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-22 01:43:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-22 01:43:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:43:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 01:43:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:43:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 01:43:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-22 01:43:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-22 01:43:21,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-22 01:43:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:43:21,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:43:21,361 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:43:21,363 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:43:24,431 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:43:24,444 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:43:24,448 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:43:24,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:24 BoogieIcfgContainer [2022-11-22 01:43:24,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:43:24,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:43:24,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:43:24,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:43:24,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:43:20" (1/3) ... [2022-11-22 01:43:24,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5919b7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:43:24, skipping insertion in model container [2022-11-22 01:43:24,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:20" (2/3) ... [2022-11-22 01:43:24,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5919b7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:43:24, skipping insertion in model container [2022-11-22 01:43:24,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:24" (3/3) ... [2022-11-22 01:43:24,462 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-11-22 01:43:24,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:43:24,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:43:24,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:43:24,554 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;@41d4792e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:43:24,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:43:24,559 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) [2022-11-22 01:43:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-22 01:43:24,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:24,590 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] [2022-11-22 01:43:24,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:24,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:24,598 INFO L85 PathProgramCache]: Analyzing trace with hash 2098240325, now seen corresponding path program 1 times [2022-11-22 01:43:24,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:24,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821361965] [2022-11-22 01:43:24,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:24,615 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 [2022-11-22 01:43:24,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:24,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:43:24,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:27,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-22 01:43:27,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-22 01:43:27,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:27,553 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:27,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821361965] [2022-11-22 01:43:27,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821361965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:27,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:27,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:43:27,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331976825] [2022-11-22 01:43:27,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:27,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:43:27,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:27,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:43:27,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:43:27,594 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) [2022-11-22 01:43:27,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:27,661 INFO L93 Difference]: Finished difference Result 216 states and 342 transitions. [2022-11-22 01:43:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:43:27,663 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 [2022-11-22 01:43:27,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:27,673 INFO L225 Difference]: With dead ends: 216 [2022-11-22 01:43:27,674 INFO L226 Difference]: Without dead ends: 105 [2022-11-22 01:43:27,677 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 [2022-11-22 01:43:27,681 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 [2022-11-22 01:43:27,683 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] [2022-11-22 01:43:27,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-22 01:43:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-11-22 01:43:27,732 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) [2022-11-22 01:43:27,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 149 transitions. [2022-11-22 01:43:27,735 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 149 transitions. Word has length 120 [2022-11-22 01:43:27,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:27,735 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 149 transitions. [2022-11-22 01:43:27,735 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) [2022-11-22 01:43:27,736 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2022-11-22 01:43:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-22 01:43:27,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:27,738 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] [2022-11-22 01:43:27,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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)] Ended with exit code 0 [2022-11-22 01:43:27,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:27,963 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:27,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:27,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1535783135, now seen corresponding path program 1 times [2022-11-22 01:43:27,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:27,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766400198] [2022-11-22 01:43:27,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:27,964 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 [2022-11-22 01:43:27,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:27,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:43:27,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:30,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:43:30,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-22 01:43:30,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:30,864 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:30,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766400198] [2022-11-22 01:43:30,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766400198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:30,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:30,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:43:30,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292115819] [2022-11-22 01:43:30,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:30,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:30,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:30,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:30,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:30,868 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) [2022-11-22 01:43:31,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:31,276 INFO L93 Difference]: Finished difference Result 208 states and 296 transitions. [2022-11-22 01:43:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:31,280 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 [2022-11-22 01:43:31,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:31,282 INFO L225 Difference]: With dead ends: 208 [2022-11-22 01:43:31,282 INFO L226 Difference]: Without dead ends: 109 [2022-11-22 01:43:31,283 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 [2022-11-22 01:43:31,284 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 4 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:31,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 290 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:43:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-22 01:43:31,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2022-11-22 01:43:31,298 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) [2022-11-22 01:43:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 150 transitions. [2022-11-22 01:43:31,300 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 150 transitions. Word has length 120 [2022-11-22 01:43:31,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:31,300 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 150 transitions. [2022-11-22 01:43:31,300 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) [2022-11-22 01:43:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 150 transitions. [2022-11-22 01:43:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-22 01:43:31,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:31,303 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] [2022-11-22 01:43:31,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:31,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:31,516 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:31,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:31,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1689913381, now seen corresponding path program 1 times [2022-11-22 01:43:31,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:31,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305762584] [2022-11-22 01:43:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:31,522 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 [2022-11-22 01:43:31,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:31,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:43:31,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:34,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:43:34,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-22 01:43:34,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:34,541 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:34,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305762584] [2022-11-22 01:43:34,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305762584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:34,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:34,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:43:34,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493032526] [2022-11-22 01:43:34,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:34,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:34,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:34,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:34,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:34,544 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) [2022-11-22 01:43:34,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:34,654 INFO L93 Difference]: Finished difference Result 211 states and 300 transitions. [2022-11-22 01:43:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:34,655 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 [2022-11-22 01:43:34,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:34,656 INFO L225 Difference]: With dead ends: 211 [2022-11-22 01:43:34,657 INFO L226 Difference]: Without dead ends: 108 [2022-11-22 01:43:34,658 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 [2022-11-22 01:43:34,659 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 [2022-11-22 01:43:34,660 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] [2022-11-22 01:43:34,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-22 01:43:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2022-11-22 01:43:34,670 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) [2022-11-22 01:43:34,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 151 transitions. [2022-11-22 01:43:34,672 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 151 transitions. Word has length 123 [2022-11-22 01:43:34,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:34,673 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 151 transitions. [2022-11-22 01:43:34,673 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) [2022-11-22 01:43:34,673 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 151 transitions. [2022-11-22 01:43:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-22 01:43:34,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:34,675 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] [2022-11-22 01:43:34,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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)] Ended with exit code 0 [2022-11-22 01:43:34,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:34,899 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:34,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:34,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1707881315, now seen corresponding path program 1 times [2022-11-22 01:43:34,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:34,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396338300] [2022-11-22 01:43:34,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:34,901 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 [2022-11-22 01:43:34,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:34,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:43:34,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:37,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:43:37,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-22 01:43:38,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-22 01:43:38,148 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:38,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396338300] [2022-11-22 01:43:38,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1396338300] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:38,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [610190192] [2022-11-22 01:43:38,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:38,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 01:43:38,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 01:43:38,188 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 01:43:38,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2022-11-22 01:43:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:41,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:43:41,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-22 01:43:41,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-22 01:43:41,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [610190192] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:41,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025805233] [2022-11-22 01:43:41,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:41,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:41,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:41,742 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:41,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 01:43:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:43,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:43:43,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-11-22 01:43:43,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-11-22 01:43:43,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025805233] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:43,938 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 01:43:43,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 10 [2022-11-22 01:43:43,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265983109] [2022-11-22 01:43:43,939 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 01:43:43,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:43:43,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:43,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:43:43,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:43:43,941 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) [2022-11-22 01:43:45,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:45,604 INFO L93 Difference]: Finished difference Result 233 states and 331 transitions. [2022-11-22 01:43:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 01:43:45,605 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 [2022-11-22 01:43:45,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:45,607 INFO L225 Difference]: With dead ends: 233 [2022-11-22 01:43:45,607 INFO L226 Difference]: Without dead ends: 129 [2022-11-22 01:43:45,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 736 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-11-22 01:43:45,609 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 36 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:45,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 861 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-22 01:43:45,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-22 01:43:45,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2022-11-22 01:43:45,622 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) [2022-11-22 01:43:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 175 transitions. [2022-11-22 01:43:45,624 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 175 transitions. Word has length 125 [2022-11-22 01:43:45,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:45,624 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 175 transitions. [2022-11-22 01:43:45,625 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) [2022-11-22 01:43:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 175 transitions. [2022-11-22 01:43:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-22 01:43:45,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:45,627 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] [2022-11-22 01:43:45,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:45,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:46,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:46,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:46,243 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:46,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:46,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1182274399, now seen corresponding path program 2 times [2022-11-22 01:43:46,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:46,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169189328] [2022-11-22 01:43:46,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 01:43:46,245 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 [2022-11-22 01:43:46,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:46,246 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:43:46,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:49,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-22 01:43:49,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:43:49,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:43:49,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2022-11-22 01:43:49,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:49,941 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:49,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169189328] [2022-11-22 01:43:49,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1169189328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:49,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:49,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:43:49,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933285255] [2022-11-22 01:43:49,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:49,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:43:49,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:49,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:43:49,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:43:49,944 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) [2022-11-22 01:43:50,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:50,045 INFO L93 Difference]: Finished difference Result 225 states and 316 transitions. [2022-11-22 01:43:50,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:43:50,048 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 [2022-11-22 01:43:50,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:50,054 INFO L225 Difference]: With dead ends: 225 [2022-11-22 01:43:50,058 INFO L226 Difference]: Without dead ends: 183 [2022-11-22 01:43:50,059 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 [2022-11-22 01:43:50,060 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 74 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:50,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 519 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:43:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-22 01:43:50,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-11-22 01:43:50,133 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) [2022-11-22 01:43:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 254 transitions. [2022-11-22 01:43:50,141 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 254 transitions. Word has length 147 [2022-11-22 01:43:50,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:50,143 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 254 transitions. [2022-11-22 01:43:50,143 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) [2022-11-22 01:43:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 254 transitions. [2022-11-22 01:43:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-22 01:43:50,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:50,158 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] [2022-11-22 01:43:50,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:50,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:50,359 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:50,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:50,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2063510765, now seen corresponding path program 1 times [2022-11-22 01:43:50,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:50,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553893178] [2022-11-22 01:43:50,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:50,370 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 [2022-11-22 01:43:50,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:50,371 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:43:50,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:54,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 3307 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:43:54,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-11-22 01:43:54,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:54,635 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:54,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553893178] [2022-11-22 01:43:54,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553893178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:54,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:54,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:43:54,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180035476] [2022-11-22 01:43:54,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:54,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:54,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:43:54,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:54,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:54,638 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) [2022-11-22 01:43:54,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:54,665 INFO L93 Difference]: Finished difference Result 326 states and 457 transitions. [2022-11-22 01:43:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:54,665 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 [2022-11-22 01:43:54,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:54,667 INFO L225 Difference]: With dead ends: 326 [2022-11-22 01:43:54,668 INFO L226 Difference]: Without dead ends: 183 [2022-11-22 01:43:54,668 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 [2022-11-22 01:43:54,669 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 [2022-11-22 01:43:54,670 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] [2022-11-22 01:43:54,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-22 01:43:54,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-11-22 01:43:54,694 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) [2022-11-22 01:43:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 253 transitions. [2022-11-22 01:43:54,697 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 253 transitions. Word has length 216 [2022-11-22 01:43:54,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:54,699 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 253 transitions. [2022-11-22 01:43:54,700 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) [2022-11-22 01:43:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 253 transitions. [2022-11-22 01:43:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-22 01:43:54,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:54,705 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] [2022-11-22 01:43:54,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:54,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:54,927 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:54,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:54,927 INFO L85 PathProgramCache]: Analyzing trace with hash -73547851, now seen corresponding path program 1 times [2022-11-22 01:43:54,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:43:54,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572715070] [2022-11-22 01:43:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:54,928 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 [2022-11-22 01:43:54,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:43:54,930 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:43:54,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:43:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:59,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-22 01:43:59,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 360 proven. 7 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-11-22 01:43:59,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:43:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-11-22 01:43:59,992 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:43:59,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572715070] [2022-11-22 01:43:59,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572715070] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:43:59,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [868299422] [2022-11-22 01:43:59,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:59,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 01:43:59,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 01:43:59,994 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 01:43:59,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-22 01:44:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:04,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-22 01:44:04,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 360 proven. 9 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2022-11-22 01:44:04,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:44:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-11-22 01:44:05,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [868299422] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:44:05,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780268311] [2022-11-22 01:44:05,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:05,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:05,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:05,030 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:05,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-22 01:44:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:07,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-22 01:44:07,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 360 proven. 7 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-11-22 01:44:08,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:44:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-11-22 01:44:08,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780268311] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:44:08,523 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 01:44:08,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 8, 5, 6, 5] total 10 [2022-11-22 01:44:08,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041850931] [2022-11-22 01:44:08,524 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 01:44:08,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:44:08,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:44:08,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:44:08,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:44:08,526 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) [2022-11-22 01:44:10,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:44:12,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:44:14,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:44:19,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:44:25,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:25,011 INFO L93 Difference]: Finished difference Result 492 states and 708 transitions. [2022-11-22 01:44:25,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 01:44:25,012 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 [2022-11-22 01:44:25,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:25,015 INFO L225 Difference]: With dead ends: 492 [2022-11-22 01:44:25,015 INFO L226 Difference]: Without dead ends: 342 [2022-11-22 01:44:25,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1409 GetRequests, 1395 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:44:25,018 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 152 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 95 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:25,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 601 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 586 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2022-11-22 01:44:25,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-11-22 01:44:25,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 335. [2022-11-22 01:44:25,113 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) [2022-11-22 01:44:25,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 463 transitions. [2022-11-22 01:44:25,118 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 463 transitions. Word has length 234 [2022-11-22 01:44:25,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:25,119 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 463 transitions. [2022-11-22 01:44:25,119 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) [2022-11-22 01:44:25,119 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 463 transitions. [2022-11-22 01:44:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-22 01:44:25,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:25,124 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] [2022-11-22 01:44:25,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-22 01:44:25,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-11-22 01:44:25,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:44:25,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:44:25,739 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:25,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:25,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1167496811, now seen corresponding path program 1 times [2022-11-22 01:44:25,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:44:25,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340587668] [2022-11-22 01:44:25,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:25,741 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 [2022-11-22 01:44:25,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:44:25,741 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:44:25,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:44:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:31,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 3499 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:44:31,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-11-22 01:44:32,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:32,199 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:44:32,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340587668] [2022-11-22 01:44:32,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340587668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:32,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:32,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:44:32,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022783179] [2022-11-22 01:44:32,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:32,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:44:32,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:44:32,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:44:32,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:44:32,202 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) [2022-11-22 01:44:34,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:44:37,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:37,973 INFO L93 Difference]: Finished difference Result 877 states and 1252 transitions. [2022-11-22 01:44:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 01:44:37,974 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 [2022-11-22 01:44:37,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:37,979 INFO L225 Difference]: With dead ends: 877 [2022-11-22 01:44:37,979 INFO L226 Difference]: Without dead ends: 579 [2022-11-22 01:44:37,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:44:37,982 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 326 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:37,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 486 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-22 01:44:37,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2022-11-22 01:44:38,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 549. [2022-11-22 01:44:38,069 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) [2022-11-22 01:44:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 760 transitions. [2022-11-22 01:44:38,075 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 760 transitions. Word has length 234 [2022-11-22 01:44:38,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:38,076 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 760 transitions. [2022-11-22 01:44:38,076 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) [2022-11-22 01:44:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 760 transitions. [2022-11-22 01:44:38,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-22 01:44:38,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:38,082 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] [2022-11-22 01:44:38,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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)] Ended with exit code 0 [2022-11-22 01:44:38,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:44:38,299 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:38,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:38,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1175495785, now seen corresponding path program 1 times [2022-11-22 01:44:38,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:44:38,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864034802] [2022-11-22 01:44:38,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:38,300 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 [2022-11-22 01:44:38,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:44:38,301 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:44:38,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1cfbb-4489-480c-bd7b-7d5004488052/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:45:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:26,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 3490 conjuncts, 909 conjunts are in the unsatisfiable core [2022-11-22 01:45:26,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:26,771 INFO L321 Elim1Store]: treesize reduction 130, result has 13.9 percent of original size [2022-11-22 01:45:26,772 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 [2022-11-22 01:45:27,512 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 [2022-11-22 01:45:27,537 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 [2022-11-22 01:45:28,021 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 [2022-11-22 01:45:28,049 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 [2022-11-22 01:45:29,679 INFO L321 Elim1Store]: treesize reduction 19, result has 45.7 percent of original size [2022-11-22 01:45:29,679 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 [2022-11-22 01:45:29,709 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 [2022-11-22 01:45:33,325 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 [2022-11-22 01:45:33,373 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 [2022-11-22 01:45:34,736 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 [2022-11-22 01:45:34,763 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 [2022-11-22 01:45:35,517 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 [2022-11-22 01:45:36,091 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 [2022-11-22 01:45:37,210 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 [2022-11-22 01:45:38,821 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 [2022-11-22 01:45:38,852 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 [2022-11-22 01:45:39,096 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 [2022-11-22 01:45:39,126 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 [2022-11-22 01:45:48,468 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 [2022-11-22 01:45:48,512 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 [2022-11-22 01:45:49,484 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 [2022-11-22 01:46:08,071 INFO L217 Elim1Store]: Index analysis took 218 ms