./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI --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 64bit --witnessprinter.graph.data.programhash 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 --- 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-5e519f3 [2022-11-03 02:52:07,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:52:07,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:52:07,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:52:07,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:52:07,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:52:07,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:52:07,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:52:07,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:52:07,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:52:07,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:52:07,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:52:07,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:52:07,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:52:07,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:52:07,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:52:07,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:52:07,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:52:07,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:52:07,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:52:07,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:52:07,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:52:07,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:52:07,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:52:07,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:52:07,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:52:07,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:52:07,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:52:07,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:52:07,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:52:07,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:52:07,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:52:07,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:52:07,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:52:07,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:52:07,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:52:07,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:52:07,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:52:07,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:52:07,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:52:07,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:52:07,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:52:07,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:52:07,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:52:07,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:52:07,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:52:07,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:52:07,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:52:07,584 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:52:07,584 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:52:07,585 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:52:07,585 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:52:07,586 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:52:07,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:52:07,587 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:52:07,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:52:07,587 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:52:07,588 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:52:07,588 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:52:07,588 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:52:07,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:52:07,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:52:07,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:52:07,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:52:07,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:52:07,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:52:07,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:52:07,591 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:52:07,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:52:07,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:52:07,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:52:07,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:52:07,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:52:07,593 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:52:07,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:52:07,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:52:07,594 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:52:07,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:52:07,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:52:07,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:52:07,597 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_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 [2022-11-03 02:52:07,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:52:08,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:52:08,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:52:08,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:52:08,013 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:52:08,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-11-03 02:52:08,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/data/a39640886/c0122d6223c944aea89ee06b00773550/FLAGb108cb279 [2022-11-03 02:52:09,205 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:52:09,205 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-11-03 02:52:09,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/data/a39640886/c0122d6223c944aea89ee06b00773550/FLAGb108cb279 [2022-11-03 02:52:09,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/data/a39640886/c0122d6223c944aea89ee06b00773550 [2022-11-03 02:52:09,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:52:09,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:52:09,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:52:09,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:52:09,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:52:09,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:52:09" (1/1) ... [2022-11-03 02:52:09,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276a6dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:09, skipping insertion in model container [2022-11-03 02:52:09,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:52:09" (1/1) ... [2022-11-03 02:52:09,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:52:09,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:52:11,160 WARN L230 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_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2022-11-03 02:52:11,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:52:11,452 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:52:11,770 WARN L230 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_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2022-11-03 02:52:11,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:52:11,888 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:52:11,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11 WrapperNode [2022-11-03 02:52:11,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:52:11,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:52:11,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:52:11,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:52:11,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,134 INFO L138 Inliner]: procedures = 222, calls = 859, calls flagged for inlining = 79, calls inlined = 74, statements flattened = 2375 [2022-11-03 02:52:12,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:52:12,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:52:12,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:52:12,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:52:12,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,294 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:52:12,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:52:12,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:52:12,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:52:12,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (1/1) ... [2022-11-03 02:52:12,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:52:12,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:52:12,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:52:12,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:52:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2022-11-03 02:52:12,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2022-11-03 02:52:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 02:52:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2022-11-03 02:52:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2022-11-03 02:52:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:52:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:52:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:52:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:52:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2022-11-03 02:52:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2022-11-03 02:52:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-03 02:52:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-03 02:52:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 02:52:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 02:52:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2022-11-03 02:52:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2022-11-03 02:52:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:52:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:52:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:52:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:52:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:52:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:52:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:52:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:52:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 02:52:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 02:52:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 02:52:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 02:52:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2022-11-03 02:52:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2022-11-03 02:52:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:52:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2022-11-03 02:52:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2022-11-03 02:52:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2022-11-03 02:52:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2022-11-03 02:52:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2022-11-03 02:52:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2022-11-03 02:52:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:52:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:52:12,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:52:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-03 02:52:12,440 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-03 02:52:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-03 02:52:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-03 02:52:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2022-11-03 02:52:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2022-11-03 02:52:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:52:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:52:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-03 02:52:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-03 02:52:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2022-11-03 02:52:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2022-11-03 02:52:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2022-11-03 02:52:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2022-11-03 02:52:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2022-11-03 02:52:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2022-11-03 02:52:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2022-11-03 02:52:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2022-11-03 02:52:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2022-11-03 02:52:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2022-11-03 02:52:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2022-11-03 02:52:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2022-11-03 02:52:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:52:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2022-11-03 02:52:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2022-11-03 02:52:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2022-11-03 02:52:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2022-11-03 02:52:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-03 02:52:12,449 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-03 02:52:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:52:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 02:52:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 02:52:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:52:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:52:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 02:52:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 02:52:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2022-11-03 02:52:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2022-11-03 02:52:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-03 02:52:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-03 02:52:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:52:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:52:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:52:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-11-03 02:52:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 02:52:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 02:52:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:52:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:52:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:52:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:52:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:52:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:52:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:52:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2022-11-03 02:52:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2022-11-03 02:52:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2022-11-03 02:52:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2022-11-03 02:52:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:52:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:52:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2022-11-03 02:52:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2022-11-03 02:52:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-03 02:52:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-03 02:52:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-03 02:52:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-03 02:52:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2022-11-03 02:52:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2022-11-03 02:52:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 02:52:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 02:52:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-03 02:52:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-03 02:52:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:52:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2022-11-03 02:52:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2022-11-03 02:52:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-03 02:52:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-03 02:52:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-03 02:52:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-03 02:52:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:52:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:52:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2022-11-03 02:52:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2022-11-03 02:52:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:52:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:52:13,130 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:52:13,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:52:13,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:52:15,403 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:52:16,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:52:16,006 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:52:16,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:52:16 BoogieIcfgContainer [2022-11-03 02:52:16,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:52:16,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:52:16,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:52:16,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:52:16,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:52:09" (1/3) ... [2022-11-03 02:52:16,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14905c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:52:16, skipping insertion in model container [2022-11-03 02:52:16,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:52:11" (2/3) ... [2022-11-03 02:52:16,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14905c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:52:16, skipping insertion in model container [2022-11-03 02:52:16,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:52:16" (3/3) ... [2022-11-03 02:52:16,027 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-11-03 02:52:16,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:52:16,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:52:16,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:52:16,133 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;@42a3591d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:52:16,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:52:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 636 states, 394 states have (on average 1.3781725888324874) internal successors, (543), 416 states have internal predecessors, (543), 186 states have call successors, (186), 55 states have call predecessors, (186), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2022-11-03 02:52:16,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-03 02:52:16,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:16,168 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:16,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:16,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:16,175 INFO L85 PathProgramCache]: Analyzing trace with hash -652161469, now seen corresponding path program 1 times [2022-11-03 02:52:16,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:16,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011188239] [2022-11-03 02:52:16,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:16,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:17,305 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:52:17,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:17,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011188239] [2022-11-03 02:52:17,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011188239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:17,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:17,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:52:17,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066436392] [2022-11-03 02:52:17,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:17,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:52:17,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:17,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:52:17,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:52:17,364 INFO L87 Difference]: Start difference. First operand has 636 states, 394 states have (on average 1.3781725888324874) internal successors, (543), 416 states have internal predecessors, (543), 186 states have call successors, (186), 55 states have call predecessors, (186), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-03 02:52:20,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:20,364 INFO L93 Difference]: Finished difference Result 1786 states and 2717 transitions. [2022-11-03 02:52:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:52:20,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2022-11-03 02:52:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:20,410 INFO L225 Difference]: With dead ends: 1786 [2022-11-03 02:52:20,410 INFO L226 Difference]: Without dead ends: 1158 [2022-11-03 02:52:20,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:52:20,442 INFO L413 NwaCegarLoop]: 1223 mSDtfsCounter, 1753 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 3341 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:20,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 3341 Invalid, 919 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [230 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:52:20,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-11-03 02:52:20,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 631. [2022-11-03 02:52:20,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 396 states have (on average 1.3585858585858586) internal successors, (538), 411 states have internal predecessors, (538), 181 states have call successors, (181), 54 states have call predecessors, (181), 53 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2022-11-03 02:52:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 891 transitions. [2022-11-03 02:52:20,591 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 891 transitions. Word has length 136 [2022-11-03 02:52:20,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:20,593 INFO L495 AbstractCegarLoop]: Abstraction has 631 states and 891 transitions. [2022-11-03 02:52:20,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-03 02:52:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 891 transitions. [2022-11-03 02:52:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 02:52:20,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:20,599 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:20,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:52:20,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:20,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:20,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1379327518, now seen corresponding path program 1 times [2022-11-03 02:52:20,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:20,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139008871] [2022-11-03 02:52:20,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:20,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:52:21,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:21,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139008871] [2022-11-03 02:52:21,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139008871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:21,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:21,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:52:21,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761744668] [2022-11-03 02:52:21,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:21,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:21,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:21,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:21,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:21,027 INFO L87 Difference]: Start difference. First operand 631 states and 891 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 02:52:21,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:21,824 INFO L93 Difference]: Finished difference Result 1426 states and 1995 transitions. [2022-11-03 02:52:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:21,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 139 [2022-11-03 02:52:21,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:21,834 INFO L225 Difference]: With dead ends: 1426 [2022-11-03 02:52:21,835 INFO L226 Difference]: Without dead ends: 829 [2022-11-03 02:52:21,837 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 [2022-11-03 02:52:21,842 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 307 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:21,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1504 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 02:52:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2022-11-03 02:52:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 807. [2022-11-03 02:52:21,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 521 states have (on average 1.3685220729366603) internal successors, (713), 538 states have internal predecessors, (713), 210 states have call successors, (210), 76 states have call predecessors, (210), 75 states have return successors, (201), 200 states have call predecessors, (201), 201 states have call successors, (201) [2022-11-03 02:52:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1124 transitions. [2022-11-03 02:52:21,953 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1124 transitions. Word has length 139 [2022-11-03 02:52:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:21,954 INFO L495 AbstractCegarLoop]: Abstraction has 807 states and 1124 transitions. [2022-11-03 02:52:21,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 02:52:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1124 transitions. [2022-11-03 02:52:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-03 02:52:21,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:21,958 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:21,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:52:21,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:21,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:21,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1707573598, now seen corresponding path program 1 times [2022-11-03 02:52:21,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:21,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294842234] [2022-11-03 02:52:21,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:21,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:22,299 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:52:22,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:22,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294842234] [2022-11-03 02:52:22,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294842234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:22,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:22,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:52:22,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597871017] [2022-11-03 02:52:22,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:22,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:22,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:22,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:22,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:22,304 INFO L87 Difference]: Start difference. First operand 807 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:52:23,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:23,218 INFO L93 Difference]: Finished difference Result 2264 states and 3149 transitions. [2022-11-03 02:52:23,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:23,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2022-11-03 02:52:23,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:23,227 INFO L225 Difference]: With dead ends: 2264 [2022-11-03 02:52:23,227 INFO L226 Difference]: Without dead ends: 1491 [2022-11-03 02:52:23,230 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 [2022-11-03 02:52:23,231 INFO L413 NwaCegarLoop]: 920 mSDtfsCounter, 799 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:23,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1647 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:52:23,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2022-11-03 02:52:23,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1485. [2022-11-03 02:52:23,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 960 states have (on average 1.3666666666666667) internal successors, (1312), 984 states have internal predecessors, (1312), 380 states have call successors, (380), 145 states have call predecessors, (380), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-11-03 02:52:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2063 transitions. [2022-11-03 02:52:23,367 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2063 transitions. Word has length 141 [2022-11-03 02:52:23,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:23,369 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2063 transitions. [2022-11-03 02:52:23,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:52:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2063 transitions. [2022-11-03 02:52:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-03 02:52:23,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:23,372 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:23,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:52:23,373 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:23,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:23,374 INFO L85 PathProgramCache]: Analyzing trace with hash 329309643, now seen corresponding path program 1 times [2022-11-03 02:52:23,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:23,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681563854] [2022-11-03 02:52:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:23,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:52:23,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:23,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681563854] [2022-11-03 02:52:23,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681563854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:23,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:23,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:52:23,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735935108] [2022-11-03 02:52:23,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:23,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:23,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:23,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:23,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:23,655 INFO L87 Difference]: Start difference. First operand 1485 states and 2063 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:24,026 INFO L93 Difference]: Finished difference Result 1487 states and 2064 transitions. [2022-11-03 02:52:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:24,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2022-11-03 02:52:24,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:24,034 INFO L225 Difference]: With dead ends: 1487 [2022-11-03 02:52:24,034 INFO L226 Difference]: Without dead ends: 1484 [2022-11-03 02:52:24,035 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 [2022-11-03 02:52:24,036 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 837 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:24,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 770 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:52:24,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2022-11-03 02:52:24,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2022-11-03 02:52:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 960 states have (on average 1.365625) internal successors, (1311), 983 states have internal predecessors, (1311), 379 states have call successors, (379), 145 states have call predecessors, (379), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-11-03 02:52:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2061 transitions. [2022-11-03 02:52:24,149 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2061 transitions. Word has length 138 [2022-11-03 02:52:24,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:24,150 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 2061 transitions. [2022-11-03 02:52:24,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2061 transitions. [2022-11-03 02:52:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 02:52:24,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:24,153 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:24,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:52:24,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:24,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:24,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1618409454, now seen corresponding path program 1 times [2022-11-03 02:52:24,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:24,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348462208] [2022-11-03 02:52:24,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:24,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:52:24,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:24,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348462208] [2022-11-03 02:52:24,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348462208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:24,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:24,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:52:24,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207235557] [2022-11-03 02:52:24,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:24,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:24,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:24,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:24,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:24,405 INFO L87 Difference]: Start difference. First operand 1484 states and 2061 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:24,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:24,858 INFO L93 Difference]: Finished difference Result 1486 states and 2062 transitions. [2022-11-03 02:52:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:24,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2022-11-03 02:52:24,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:24,866 INFO L225 Difference]: With dead ends: 1486 [2022-11-03 02:52:24,866 INFO L226 Difference]: Without dead ends: 1483 [2022-11-03 02:52:24,867 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 [2022-11-03 02:52:24,868 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 834 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:24,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 768 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:52:24,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2022-11-03 02:52:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2022-11-03 02:52:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 960 states have (on average 1.3645833333333333) internal successors, (1310), 982 states have internal predecessors, (1310), 378 states have call successors, (378), 145 states have call predecessors, (378), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-11-03 02:52:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2059 transitions. [2022-11-03 02:52:24,983 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2059 transitions. Word has length 139 [2022-11-03 02:52:24,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:24,983 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 2059 transitions. [2022-11-03 02:52:24,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2059 transitions. [2022-11-03 02:52:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-03 02:52:24,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:24,986 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:24,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:52:24,987 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:24,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:24,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1369164498, now seen corresponding path program 1 times [2022-11-03 02:52:24,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:24,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813173287] [2022-11-03 02:52:24,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:24,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:52:25,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:25,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813173287] [2022-11-03 02:52:25,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813173287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:25,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:25,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:52:25,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665218305] [2022-11-03 02:52:25,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:25,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:25,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:25,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:25,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:25,233 INFO L87 Difference]: Start difference. First operand 1483 states and 2059 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:25,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:25,943 INFO L93 Difference]: Finished difference Result 1663 states and 2237 transitions. [2022-11-03 02:52:25,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:25,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2022-11-03 02:52:25,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:25,952 INFO L225 Difference]: With dead ends: 1663 [2022-11-03 02:52:25,952 INFO L226 Difference]: Without dead ends: 1659 [2022-11-03 02:52:25,954 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 [2022-11-03 02:52:25,955 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 652 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:25,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 1012 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:52:25,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2022-11-03 02:52:26,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1655. [2022-11-03 02:52:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1052 states have (on average 1.3393536121673004) internal successors, (1409), 1072 states have internal predecessors, (1409), 412 states have call successors, (412), 191 states have call predecessors, (412), 190 states have return successors, (407), 406 states have call predecessors, (407), 407 states have call successors, (407) [2022-11-03 02:52:26,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2228 transitions. [2022-11-03 02:52:26,080 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2228 transitions. Word has length 140 [2022-11-03 02:52:26,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:26,084 INFO L495 AbstractCegarLoop]: Abstraction has 1655 states and 2228 transitions. [2022-11-03 02:52:26,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2228 transitions. [2022-11-03 02:52:26,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-03 02:52:26,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:26,087 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:26,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:52:26,088 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:26,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:26,088 INFO L85 PathProgramCache]: Analyzing trace with hash 505328369, now seen corresponding path program 1 times [2022-11-03 02:52:26,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:26,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305068444] [2022-11-03 02:52:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:26,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:52:26,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:26,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305068444] [2022-11-03 02:52:26,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305068444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:26,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:26,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:52:26,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652580423] [2022-11-03 02:52:26,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:26,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:26,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:26,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:26,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:26,421 INFO L87 Difference]: Start difference. First operand 1655 states and 2228 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:27,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:27,205 INFO L93 Difference]: Finished difference Result 1657 states and 2229 transitions. [2022-11-03 02:52:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:27,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2022-11-03 02:52:27,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:27,215 INFO L225 Difference]: With dead ends: 1657 [2022-11-03 02:52:27,215 INFO L226 Difference]: Without dead ends: 1654 [2022-11-03 02:52:27,216 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 [2022-11-03 02:52:27,217 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 826 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:27,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 762 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:52:27,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-11-03 02:52:27,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2022-11-03 02:52:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1052 states have (on average 1.338403041825095) internal successors, (1408), 1071 states have internal predecessors, (1408), 411 states have call successors, (411), 191 states have call predecessors, (411), 190 states have return successors, (407), 406 states have call predecessors, (407), 407 states have call successors, (407) [2022-11-03 02:52:27,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2226 transitions. [2022-11-03 02:52:27,372 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2226 transitions. Word has length 141 [2022-11-03 02:52:27,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:27,372 INFO L495 AbstractCegarLoop]: Abstraction has 1654 states and 2226 transitions. [2022-11-03 02:52:27,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2226 transitions. [2022-11-03 02:52:27,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-03 02:52:27,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:27,375 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:27,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:52:27,375 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:27,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:27,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1514930031, now seen corresponding path program 1 times [2022-11-03 02:52:27,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:27,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075154096] [2022-11-03 02:52:27,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:27,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:52:27,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:27,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075154096] [2022-11-03 02:52:27,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075154096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:27,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:27,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:52:27,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012546209] [2022-11-03 02:52:27,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:27,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:27,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:27,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:27,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:27,602 INFO L87 Difference]: Start difference. First operand 1654 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:28,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:28,370 INFO L93 Difference]: Finished difference Result 2865 states and 3849 transitions. [2022-11-03 02:52:28,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:28,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 142 [2022-11-03 02:52:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:28,386 INFO L225 Difference]: With dead ends: 2865 [2022-11-03 02:52:28,386 INFO L226 Difference]: Without dead ends: 2843 [2022-11-03 02:52:28,388 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 [2022-11-03 02:52:28,389 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 579 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:28,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1572 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:52:28,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2022-11-03 02:52:28,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2840. [2022-11-03 02:52:28,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 1835 states have (on average 1.3455040871934605) internal successors, (2469), 1861 states have internal predecessors, (2469), 667 states have call successors, (667), 342 states have call predecessors, (667), 337 states have return successors, (679), 656 states have call predecessors, (679), 663 states have call successors, (679) [2022-11-03 02:52:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3815 transitions. [2022-11-03 02:52:28,648 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3815 transitions. Word has length 142 [2022-11-03 02:52:28,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:28,648 INFO L495 AbstractCegarLoop]: Abstraction has 2840 states and 3815 transitions. [2022-11-03 02:52:28,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 02:52:28,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3815 transitions. [2022-11-03 02:52:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-03 02:52:28,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:28,654 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-03 02:52:28,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:52:28,654 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:28,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:28,655 INFO L85 PathProgramCache]: Analyzing trace with hash -714450955, now seen corresponding path program 1 times [2022-11-03 02:52:28,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:28,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49724968] [2022-11-03 02:52:28,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:28,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-11-03 02:52:28,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:28,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49724968] [2022-11-03 02:52:28,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49724968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:28,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:28,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:52:28,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993343467] [2022-11-03 02:52:28,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:28,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:28,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:28,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:28,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:52:28,999 INFO L87 Difference]: Start difference. First operand 2840 states and 3815 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:52:30,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:30,001 INFO L93 Difference]: Finished difference Result 5654 states and 7595 transitions. [2022-11-03 02:52:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:30,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 190 [2022-11-03 02:52:30,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:30,018 INFO L225 Difference]: With dead ends: 5654 [2022-11-03 02:52:30,018 INFO L226 Difference]: Without dead ends: 2848 [2022-11-03 02:52:30,027 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 [2022-11-03 02:52:30,029 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 1 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:30,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1524 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:52:30,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2022-11-03 02:52:30,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 2842. [2022-11-03 02:52:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 1837 states have (on average 1.3451279259662494) internal successors, (2471), 1863 states have internal predecessors, (2471), 667 states have call successors, (667), 342 states have call predecessors, (667), 337 states have return successors, (679), 656 states have call predecessors, (679), 663 states have call successors, (679) [2022-11-03 02:52:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 3817 transitions. [2022-11-03 02:52:30,302 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 3817 transitions. Word has length 190 [2022-11-03 02:52:30,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:30,303 INFO L495 AbstractCegarLoop]: Abstraction has 2842 states and 3817 transitions. [2022-11-03 02:52:30,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:52:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 3817 transitions. [2022-11-03 02:52:30,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-03 02:52:30,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:30,308 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1] [2022-11-03 02:52:30,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:52:30,309 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:30,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:30,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1335575955, now seen corresponding path program 1 times [2022-11-03 02:52:30,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:30,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341520153] [2022-11-03 02:52:30,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:30,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-03 02:52:30,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:30,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341520153] [2022-11-03 02:52:30,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341520153] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:52:30,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214580187] [2022-11-03 02:52:30,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:30,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:52:30,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:52:30,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:52:30,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:52:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:31,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 2422 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:52:31,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:52:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2022-11-03 02:52:31,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:52:31,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214580187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:31,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:52:31,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-03 02:52:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948622520] [2022-11-03 02:52:31,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:31,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:52:31,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:31,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:52:31,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:52:31,576 INFO L87 Difference]: Start difference. First operand 2842 states and 3817 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:52:32,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:32,373 INFO L93 Difference]: Finished difference Result 4532 states and 6065 transitions. [2022-11-03 02:52:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:52:32,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2022-11-03 02:52:32,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:32,382 INFO L225 Difference]: With dead ends: 4532 [2022-11-03 02:52:32,383 INFO L226 Difference]: Without dead ends: 1722 [2022-11-03 02:52:32,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:52:32,391 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 9 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:32,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1521 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:52:32,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-11-03 02:52:32,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1706. [2022-11-03 02:52:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1105 states have (on average 1.3429864253393664) internal successors, (1484), 1122 states have internal predecessors, (1484), 394 states have call successors, (394), 209 states have call predecessors, (394), 206 states have return successors, (398), 386 states have call predecessors, (398), 390 states have call successors, (398) [2022-11-03 02:52:32,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2276 transitions. [2022-11-03 02:52:32,536 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2276 transitions. Word has length 198 [2022-11-03 02:52:32,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:32,537 INFO L495 AbstractCegarLoop]: Abstraction has 1706 states and 2276 transitions. [2022-11-03 02:52:32,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:52:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2276 transitions. [2022-11-03 02:52:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-03 02:52:32,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:32,542 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:52:32,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:52:32,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:52:32,751 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:32,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:32,752 INFO L85 PathProgramCache]: Analyzing trace with hash -2007608443, now seen corresponding path program 1 times [2022-11-03 02:52:32,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:32,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532096981] [2022-11-03 02:52:32,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:32,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:33,118 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-11-03 02:52:33,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:33,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532096981] [2022-11-03 02:52:33,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532096981] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:52:33,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020312192] [2022-11-03 02:52:33,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:33,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:52:33,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:52:33,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:52:33,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc97de98-a3ae-4732-bec2-c4f8d9e38a55/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:52:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:33,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 2498 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:52:33,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:52:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 183 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-03 02:52:34,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:52:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-11-03 02:52:34,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020312192] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:52:34,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1537147814] [2022-11-03 02:52:34,308 INFO L159 IcfgInterpreter]: Started Sifa with 101 locations of interest [2022-11-03 02:52:34,309 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:52:34,313 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:52:34,319 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:52:34,319 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:52:35,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 103 [2022-11-03 02:52:36,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:36,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:36,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:36,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:36,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:36,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:36,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:52:36,626 INFO L244 Elim1Store]: Index analysis took 574 ms [2022-11-03 02:53:13,121 WARN L234 SmtUtils]: Spent 36.44s on a formula simplification. DAG size of input: 1680 DAG size of output: 674 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:53:13,132 INFO L356 Elim1Store]: treesize reduction 9601, result has 14.0 percent of original size [2022-11-03 02:53:13,133 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1053 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 53 case distinctions, treesize of input 261 treesize of output 1711 [2022-11-03 02:53:14,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 109 [2022-11-03 02:53:15,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 344 treesize of output 311 [2022-11-03 02:53:16,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:17,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:20,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:20,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:20,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:21,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:21,129 INFO L244 Elim1Store]: Index analysis took 4986 ms [2022-11-03 02:54:31,733 WARN L234 SmtUtils]: Spent 1.18m on a formula simplification. DAG size of input: 2520 DAG size of output: 1018 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:54:31,738 INFO L356 Elim1Store]: treesize reduction 12806, result has 12.8 percent of original size [2022-11-03 02:54:31,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1099 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 502 case distinctions, treesize of input 455 treesize of output 2213 [2022-11-03 02:54:42,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:54:42,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-03 02:54:42,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-03 02:54:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:46,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1494 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-03 02:54:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:47,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 56 select indices, 56 select index equivalence classes, 1540 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 169 [2022-11-03 02:54:47,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 625 treesize of output 471 [2022-11-03 02:54:48,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 41 [2022-11-03 02:54:48,303 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-03 02:54:48,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 58 [2022-11-03 02:54:48,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:48,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-03 02:54:59,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1494 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-03 02:54:59,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 625 treesize of output 471 [2022-11-03 02:54:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,748 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 58 [2022-11-03 02:54:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:59,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-03 02:55:00,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-03 02:55:00,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 41 [2022-11-03 02:55:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:55:00,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 56 select indices, 56 select index equivalence classes, 1540 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 169 [2022-11-03 02:56:49,290 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:56:49,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:56:49,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:56:51,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:56:51,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:56:51,650 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:58:25,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:58:25,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:58:26,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:58:27,832 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:58:27,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 02:58:27,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:00:27,878 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:00:28,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 03:00:28,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:00:30,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:00:30,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:00:30,357 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:02:14,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 03:02:15,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:02:15,276 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:02:16,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:02:16,582 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:02:16,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:03:17,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:03:17,744 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 03:03:18,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:03:19,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:03:19,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:03:19,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:04:51,499 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 03:04:51,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:04:52,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:04:54,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:04:54,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:04:54,094 WARN L234 Elim1Store]: Array PQE input equivalent to false